2007 Chevrolet Silverado
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 2007 Silverado are official communications between Chevrolet & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
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TSB #PIT-4322-D
GM: THERE IS UNWANTED STABILITY ACTION OR STABILITY LIGHT ON. THIS CAN BE CAUSED BY THE SUSPENSION BEING MODIFIED. *RM UPDATED 6/18/12. Read More »
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TSB #PI0639A
GM: THE SERVICE STABILITRAK MESSAGE BEING DISPLAYED IN DIC. THE STABILITRAK INDICATOR LIGHT MAY ALSO BE ON. *JS UPDATED ON 7/9/2013. *KB Read More »
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TSB #SB-10-02-33-001
BUICK/CADILLAC/CHEVROLET/GMC/OLDSMOBILE AND HUMMER: INFORMATION ON PITMAN ARM SHAFT SEAL SERVICE KIT. DO NOT REPLACE ENTIRE STEERING GEAR FOR PITMAN SEAL LEAK. Read More »
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TSB #SB-08-02-35-004A
GENERAL MOTORS: THE LEFT AND/OR RIGHT STEERING WHEEL LOWER (SPOKE) COVER IS WARPED, LOOSE, DISCOLORED OR JUST FITS POORLY IN THE STEERING WHEEL. THE PAINT FINISH SEEMS TO BE PEELING. Read More »
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TSB #PIT-5184
CADILLAC/CHEVROLET/GMC: WILL HAVE INOPERATIVE CRUISE CONTROL; INOPERATIVE OR UNWANTED ACTIVATION OF RADIO CONTROLS; BACKLIGHTING FLASHES, FLICKERS OR INOPERATIVE DUE TO POSSIBLE SHORT TO GROUND ON STEERING WHEEL COIL CONNECTOR X2. Read More »
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TSB #SB-08-02-35-004A
GENERAL MOTORS: THE LEFT AND/OR RIGHT STEERING WHEEL LOWER (SPOKE) COVER IS WARPED, LOOSE, DISCOLORED OR JUST FITS POORLY IN THE STEERING WHEEL. THE PAINT FINISH SEEMS TO BE PEELING. Read More »
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TSB #070232008
STEERING WHEEL OFF CENTER WHILE DRIVING STRAIGHT, CLUNK NOISE WHILE TURNING, EARLY FRONT TIRE WEAR (PERFORM TORQUE TO TIGHTEN ANALYSIS AND REPAIR AS NECESSARY) *NJ UPDATED 2/25/08. *NJ Read More »
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TSB #000235003N
CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL AND/OR STEERING COLUMN (REPLACE UPPER INTERMEDIATE STEERING SHAFT [I-SHAFT] ASSEMBLY). *PE Read More »
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TSB #SB-10-02-33-001
BUICK/CADILLAC/CHEVROLET/GMC/OLDSMOBILE AND HUMMER: INFORMATION ON PITMAN ARM SHAFT SEAL SERVICE KIT. DO NOT REPLACE ENTIRE STEERING GEAR FOR PITMAN SEAL LEAK. Read More »
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TSB #4190
ENGINEERING INFORMATION REQUEST DURING REAR RING AND PINION REPLACEMENT. *NJ Read More »
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TSB #SB-07-02-32-002N
BUICK/CADILLAC/CHEVROLET/GMC/PONTIAC/ SATURN: THERE IS FLUID LEAKING FROM POWER STEERING SYSTEM, ALONG A FLUID LEAK IN FRONT OF VEHICLE UNDERNEATH AND SHOULD BE INSPECTED, CLEANED AND IDENTIFIED BEFORE REPAIRING OR REPLACING. Read More »
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TSB #050232008
GEAR BOX POWER STEERING PUMP, P/S PERFORMANCE CONCERNS. *NJ UPDATED ON 6/30/2011. *KB Read More »
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TSB #12-02-32-001
GMC: HYDRAULIC POWER STEERING LEAK AT HOSE CONNECTION TO STEERING RACK. ALL POTENTIAL LEAKS SHOULD BE COMPLETELY CLEANED AND INDENTIFIED BEFORE ATTEMPTING TO REPAIR OR REPLACE ANY POWER STEERING COMPONENTS. *JS UPDATED 4/22/13. Read More »
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TSB #08-02-32-001
POWER STEERING, STEERING WHEEL SHUDDER/VIBRATION DURING LOW SPEED PARKING MANEUVERS (REPLACE POWER STEERING ASSEMBLY HOSE) EXCLUDING PICKUP MODELS WITH 4.3L V6 ENGINE (VIN X - RPO LU3) BUILT PRIOR TO 5/30/07. *NJ UPDATED 5/19/08. Read More »
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TSB #SB-07-02-32-002N
BUICK/CADILLAC/CHEVROLET/GMC/PONTIAC/ SATURN: THERE IS FLUID LEAKING FROM POWER STEERING SYSTEM, ALONG A FLUID LEAK IN FRONT OF VEHICLE UNDERNEATH AND SHOULD BE INSPECTED, CLEANED AND IDENTIFIED BEFORE REPAIRING OR REPLACING. Read More »
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TSB #PIT-4322-D
GM: THERE IS UNWANTED STABILITY ACTION OR STABILITY LIGHT ON. THIS CAN BE CAUSED BY THE SUSPENSION BEING MODIFIED. *RM UPDATED 6/18/12. Read More »
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TSB #PIP4054A
EATON LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS, EQUIPPED WITH A LOCKING REAR DIFFERENTIAL RPO G80. *NJ UPDATED 7/17/2008. *PE Read More »
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TSB #SB-09-03-09-001
CHEVROLET/GMC: A CLUNKING NOISE COMING FROM THE REAR OF THE VEHICLE. UPON FURTHER INVESTIGATION, THE TECHNICIAN MAY DIAGNOSE THE NOISE COMING FROM THE REAR SUSPENSION LEAF SPRING AREA. *PE UPDATED 6/30/2011. Read More »
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TSB #SB-09-03-09-001
CHEVROLET/GMC: A CLUNKING NOISE COMING FROM THE REAR OF THE VEHICLE. UPON FURTHER INVESTIGATION, THE TECHNICIAN MAY DIAGNOSE THE NOISE COMING FROM THE REAR SUSPENSION LEAF SPRING AREA. *PE UPDATED 6/30/2011. Read More »
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TSB #PIT-5120-A
GMC/CHEVROLET/CADILLAC: INSTRUMENT PANEL MESSAGES REGARDING STABILITRAK MESSAGE, TRACTION CONTROL MESSAGE, SERVICE BRAKE SYSTEM MESSAGE, IS OFF AND GAUGES, IN VARIOUS MODULES LOW SPEED SETTINGS, ARE INOPERATIVE. Read More »
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TSB #PIT4046
SERVICE BRAKES SOON MESSAGE DTC C0299. *NJ UPDATED 5/13/08. *NJ UPDATED 12/5/08. NO HYBRIDS VEHICLES. *PE Read More »
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TSB #4169
SERVICE STABILITY LAMP DIAGNOSTIC TROUBLE CODE (DTC) C0561. *KB UPDATED 9/30/08. *PE Read More »
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TSB #SB-13-05-22-001
CHEVROLET/GMC/CADILLAC: ANYTIME HYDRAULIC BRAKE PIPES ASSEMBLY NEED REPLACING, PRE-FORMED AND PRE-FLARED BRAKE PIPES ARE AVAILABLE, EXCEPT REAR AXLE CROSSOVER PIPE. Read More »
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TSB #08-06-04-016
DIAGNOSTIC INFORMATION ON MIL/SES WITH DTC P0171 (FUEL TRIM SYSTEM LEAN BANK 1) AND/OR P0174 (FUEL TRIM SYSTEM LEAN BANK 2) AFTER BRAKE MASTER CYLINDER REPLACEMENT. *NJ Read More »
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TSB #SB-13-05-22-001
CHEVROLET/GMC/CADILLAC: ANYTIME HYDRAULIC BRAKE PIPES ASSEMBLY NEED REPLACING, PRE-FORMED AND PRE-FLARED BRAKE PIPES ARE AVAILABLE, EXCEPT REAR AXLE CROSSOVER PIPE. Read More »
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TSB #PIT-4056
GMC: UNABLE TO COMMUNICATE WITH THE EBCM DTC U0121. *NJ VEHICLES EQUIPPED WITH JL4. UPDATED 9/30/08. *PE UPDATED 6/27/11. *PE UPDATED 4/6/12. *PE Read More »
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TSB #PIP-4966
CHEVROLET/CADILLAC/GMC: CERTAIN VEHICLES EXPERIENCING ERRATIC OR INOPERATIVE SPEEDOMETER OR ANTI-LOCK BRAKE SYSTEM MESSAGE OR MALFUNCTIONING INDICATOR LIGHT DISPLAYING IN DRIVER'S INFORMATION CENTER. Read More »
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TSB #4169
SERVICE STABILITY LAMP DIAGNOSTIC TROUBLE CODE (DTC) C0561. *KB UPDATED 9/30/08. *PE Read More »
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TSB #PIT-4056
GMC: UNABLE TO COMMUNICATE WITH THE EBCM DTC U0121. *NJ VEHICLES EQUIPPED WITH JL4. UPDATED 9/30/08. *PE UPDATED 6/27/11. *PE UPDATED 4/6/12. *PE Read More »
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TSB #PIP-4966
CHEVROLET/CADILLAC/GMC: CERTAIN VEHICLES EXPERIENCING ERRATIC OR INOPERATIVE SPEEDOMETER OR ANTI-LOCK BRAKE SYSTEM MESSAGE OR MALFUNCTIONING INDICATOR LIGHT DISPLAYING IN DRIVER'S INFORMATION CENTER. Read More »
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TSB #PIT4411
UNWANTED ABS OR VALVE ACTIVATION ON LOW SPEED TURNS. WITH STABILITRAC (RPO JL4). *NJ UPDATED 4/1/08. *NJ Read More »
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TSB #4419
SERVICE STABILITRAK MESSAGE C0196 AND/OR U2142. *NJ Read More »
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TSB #SB-09-09-41-005
GMC/CADILLAC/CHEVROLET: AIR BAG READINESS LIGHT ON, SERVICE AIR BAG MESSAGE, INFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE (SDM) CORROSION (REPLACE SDM/CUT AND REMOVE CARPET PAD). Read More »
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TSB #PIP-5276-E
CADILLAC/CHEVROLET/GMC: ON SOME VEHICLES AND/OR TRUCKS, INSTRUMENT CLUSTER WILL ILLUMINATE, AFTER AN OIL CHANGE, INDICATING LOW OIL PRESSURE AND/OR SES LAMP WILL ILLUMINATE. Read More »
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TSB #SB-080604003-C
GMC/CHEVROLET: ENGINES, WITH EGR SYSTEM, HAS LEAKAGE FROM EGR COOLER ENGINE COOLANT INTO THE COMBUSTION CHAMBER. MODEL 2002-15 SILVERADO, SIERRA, 2004-09 KODIAK C4500-C5500, TOPKICK C4500-C5500, 2006-15 EXPRESS, SAVANA. Read More »
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TSB #PIP-4138K
GM: THE SERVICE ENGINE SOON LIGHT IS ON, THERE IS ALSO A MISFIRE OR ENGINE NOISE. THERE ARE MULTIPLE POSSIBLE CAUSES. *RM Read More »
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TSB #PIP-4568K
GM: SERVICE ENGINE SOON LIGHT IS ON WITH A MISFIRE AND A POSSIBLE TICK NOISE. *RM Read More »
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TSB #3187
ENGINE LOW POWER WILL NOT GO OVER 2300 RPMS. *EH UPDATED 6/11/10. *PE Read More »
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TSB #UIB-117
GENERAL MOTORS: AN OPTIONAL ENGINE BLOCK HEATER PLUG IN FOR ONBOARD AC POWER AND WITH CONTINUOUS USAGE WILL RESULT IN SHORTING OF WIRES, OVER HEATING SYSTEM, ELECTRICAL FAILURE AND COMPARTMENT ENGINE FIRES. Read More »
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TSB #PIP-3783-C
GM: THE ENGINE LIGHT IS ON AND THE VEHICLE LACKS POWER. THERE ARE MULTIPLE POSSIBLE TROUBLE CODES. *RM UPDATED 10/15/14. *PE Read More »
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TSB #PIP-4158F
GENERAL MOTORS: LOW ENGINE OIL PRESSURE, NO OIL PRESSURE, AND/OR ENGINE NOISE. THIS COULD BE THE RESULT OF A STICKING OIL PUMP PRESSURE RELIEF VALVE. *KB Read More »
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TSB #PIP-4492P
BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SAAB: OIL CONSUMPTION AND/OR EXHAUST SMOKE-POSSIBLE PCV BAFFLE OR LIFTER CONCERN. UPON INSPECTION, OBVIOUS OIL WILL BE FOUND IN THE INTAKE MANIFOLD AND/OR PCV VACUUM TUBE. Read More »
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TSB #PIT-4769B
GM: THE AIR BAG LIGHT IS ON WITH A STORED TROUBLE CODE. *RM Read More »
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TSB #SB-02-06-04-0371
CHEVROLET/GMC: CHECK ENGINE LIGHT ON, FUEL TANK HARD TO FILL, DTCS P0442, P0446, P0455 OR P0449 SET (REPLACE EVAPORATIVE EMISSION (EVAP) VENT VALVE SOLENOID ASSEMBLY AND ADD/RELOCATE FILETER BOX USING SERVICE KIT). Read More »
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TSB #PIT-5028
PONTIAC/SATURN/BUICK/GMC/CHEVROLET/CADILLAC/HUMMER: VEHICLE START AND STALLS AFTER THEFT DETERRENT MODULE REPLACEMENT. MODEL YEARS 2006-2011. DOES NOT APPLY TO VEHICLES WITH KEYLESS ACCESS SYSTEM. Read More »
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TSB #SB-07-06-03-002C
CADILLAC/CHEVROLET/GMC: INFORMATION ON INSPECTING TOP POST BATTERY CABLE BOLTS, CLAMPS AND NUTS DURING PRE-DELIVERY INSPECTION (PDI). *PE Read More »
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TSB #SB-08-07-30-021
LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IPC GAUGE FLUCTUATION, INTERMITTENT DOOR LOCK CYCLING, TRANSMISSION MAY NOT SHIFT, DTCS U0073, U0100, U0101, U0102, U0121, U0140 SET (REPAIR BACKED OUT TERMINAL IN ... Read More »
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TSB #PIT-4846A
CADILLAC/CHEVROLET/GMC: LOCATIONS OF HIGH SPEED GMLAN WIRING CONCERNS. GAUGES INOPERATIVE, NO CRANK, HARSH TRANSMISSION SHIFTING, NO TRANSMISSION SHIFTING, DOOR LOCKS CYCLING AND INDICATORS ON. *PE UPDATED 11/17/10. Read More »
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TSB #02-06-04-037
SOME CUSTOMERS WHOSE VEHICLES ARE OPERATED IN DUSTY TYPE ENVIRONMENTS, SUCH AS FARMING OR MINING OFF-ROAD TYPE APPLICATIONS, MAY COMMENT ABOUT THE ILLUMINATION OF THE INSTRUMENT PANEL SES LIGHT, WITH DIAGNOSTIC TROUBLE CODE P0446 SET. Read More »
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TSB #SB-08-06-04-054A
CHEVROLET/GMC: SNOW OR ICE INGESTION INTO AIR CLEANER ELEMENT, MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, ENGINE POWER IS REDUCED MESSAGE DISPLAYED, DTC P0101 SET (PERFORM REPAIR AS OUTLINED). Read More »
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TSB #TB-09-06-04-022
GENERAL MOTORS: MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, INTERMITTENT DTC P0191, SLOW FUEL RAIL PRESSURE (FRP) DECAY, WIRING HARNESS CONNECTIONS, VOLTAGE FLUCTUATIONS/INTERRUPTIONS (FOLLOW CORRECTION INFORMATION BELOW). Read More »
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TSB #SB-09-06-01-006
GMC/CADILLAC/CHEVROLET: CHECK ENGINE LIGHT ON, ENGINE MISFIRE, HARD START, ROUGH IDLE, HESITATION, LOSS OF POWER, POOR PERFORMANCE, NOISE, DTCS P0300, P0301, P0302,P0303, P0304, P0305, P0306, P0307, P0308 SET (REPLACE ENGINE). Read More »
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TSB #08142
CHEVROLET SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ECM EEPROM - REPROGRAM ECM. ALL 2007 AND CERTAIN 2008 CHEVEROLET SILVERADO AND EXPRESS AND GMC SIERRA AND SAVANA EQUIPPED WITH 6. Read More »
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TSB #08-06-03-007
GMC: NO START, NO CRANK, INTERMITTENT ELECTRICAL OPERATIONS (CHECK FOR POOR CONNECTIONS WITHIN ENGINE WIRING HARNESS JUNCTION BLOCK). *PE Read More »
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TSB #08-07-30-021
LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IPC GAUGE FLUCTUATION, INTERMITTENT DOOR LOCK CYCLING, TRANSMISSION MAY NOT SHIFT, DTCS U0073, U0100, U0101, U0102, 70140 (REPAIR BACKED OUT TERMINAL IN TRANSMISSION HARNESS ... Read More »
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TSB #PIP4344
SHORT DURATION COLD START LIFTER TICK NOISE. EQUIPPED WITH THE 5.3 OR 6.0 ACTIVE FUEL MANAGEMENT ENGINES. *NJ Read More »
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TSB #PIT4284
ENGINE STALLS AFTER BEING REMOTE STARTED. *NJ Read More »
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TSB #PIP4321
OIL LEAK AT REAR OF ENGINE. EQUIPPED WITH A 4.8, 5.3, 6.0 OR 6.2 V8 ENGINE. *NJ Read More »
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TSB #3917
ENGINE HAS LOW POWER ON ACCELERATION OR WHEN TOWING. EQUIPPED WITH THE 6.0L LY6 AND L76 ENGINE. *NJ UPDATED 1/29/08. *NJ Read More »
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TSB #4200
PERCEIVED HESITATION OR LACK OF POWER DURING THROTTLE REAPPLY AT SLOW SPEEDS. *KB Read More »
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TSB #PIP-4372B
GMC: OIL LEAK AT TURBOCHARGER AIR INTAKE PIPE. INITIAL INSPECTION MA REVEAL A LEAK THAT LOOKS AS IT IS COMING FROM THE REAR OF THE ENGINE. *PE Read More »
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TSB #PI-0474
GM: AN 'ENGINE POWER IS REDUCED' MESSAGE APPEARS AND THERE IS A STORED TROUBLE CODE. THIS IS CAUSED BY WEAR OF THE INTERNAL FUEL INJECTOR. *RM Read More »
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TSB #PIP-3504C
GM: THERE IS A DIESEL ENGINE HARD START WHEN HOT. STARTS FINE WHEN COLD. THERE WILL BE NO INTERNAL TROUBLE CODES. *RM Read More »
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TSB #PIP-4574M
BUICK/CHEVROLET/GMC/PONTIAC/SAAB: EXCESSIVE OIL CONSUMPTION AND/OR BLUE EXHAUST SMOKE-INVESTIGATION UPDATE. IN MOST CASES DID NOT START UNTIL THE ENGINE ACCUMULATED APPROXIMATELY 30,000 MILES OR MORE. Read More »
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TSB #SB-08-06-04-054A
CHEVROLET/GMC: SNOW OR ICE INGESTION INTO AIR CLEANER ELEMENT, MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, ENGINE POWER IS REDUCED MESSAGE DISPLAYED, DTC P0101 SET (PERFORM REPAIR AS OUTLINED). Read More »
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TSB #SB-08-06-04-029B
GENERAL MOTORS: LBZ, LLY, LMM MIL/SES LIGHT N DTC P0087-FUEL RAIL PRESSURE (FRP) TOO LOW, LACK OF PERFORMANCE, NO POWER, ENGINE RUNS ROUGH, NO START (DIAGNOSE FUEL SYSTEM COMPONENTS). *PE UPDATED 3/1/10. Read More »
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TSB #PIP-4660
GMC/CHEVROLET: ENGINE COOLANT SENSOR DTCS P011A, P2184, AND P2185. DEALER MAY ENCOUNTER CONCERN OF SES LIGHT ON OR DTCS P011A, P2184 AND P2185. DIESEL ENGINES HAVE 2 ECT (ENGINE COOLANT TEMPERATURE) SENSORS. Read More »
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TSB #PIP-4664
GMC/CHEVROLET: DTC P0101 WITH NON GM AIR FILTER. MAY ENCOUNTER CONCERN OF REDUCED POWER AND SES LIGHT ON. DIAGNOSTICS MAY REVEAL MAF (MASS AIR FLOW) SENSOR DTC P0101. Read More »
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TSB #PIP-4629
CHEVROLET/GMC: DIESEL ENGINE TURBO DTC P2563 OR P003A. MAY ENCOUNTER A CONCERN OF SES LIGHT, REDUCED POWER, LOW POWER. *PE Read More »
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TSB #PIP-4380
GMC: EGR LOW FLOW DTC P0401. VEHICLES THAT ARE EQUIPPED WITH THE 6.6L DIESEL ENGINE RPO CODE LM. *PE Read More »
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TSB #07-06-04-033A
LMM, CLEAN EXHAUST FILTER LIGHT ILLUMINATED, MIL/SES LIGHT ILLUMINATED WITH DTC(S) P244B AND/OR P2463 SET (PERFORM ALL SI DIAGNOSTICS FOR DTC(S) SET, IF NTF, REPLACE AIR FILTER). VEHICLES WITH 6.6L DURAMAX DIESEL ENGINE. Read More »
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TSB #PIP4307
SES LIGHT ON DUE TO DTC P0101 AND/OR P0106 - INSPECT AIR FILTER AND/OR MAP SENSOR . WITH 6.6L DIESEL ENGINE (RPO, LBZ, LLY, OR LMM). *NJ UPDATED 5/13/08. *NJ Read More »
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TSB #PIP4348
DURAMAX DIESEL DPF REGENERATION CHANGES - VEHICLES EQUIPPED WITH THE 6.6 DURAMAX DIESEL ENGINE RPO CODE LMM. *NJ Read More »
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TSB #4529
HIGH IDLE, ELEVATED IDLE, AND PTO ALL DIFFERENT OPTIONS. *NJ Read More »
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TSB #PIP-4888
GM: INFORMATION ON INSPECTING AND REPLACING TURBOS. *RM Read More »
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TSB #PIP-4857
GM: THERE MAY BE REDUCED POWER AND AN INTERNAL TROUBLE CODE IN HIGH TEMPERATURES OR WHEN NEAR THE TOWING LIMIT. *RM Read More »
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TSB #PIP-4629
CHEVROLET/GMC: DIESEL ENGINE TURBO DTC P2563 OR P003A. MAY ENCOUNTER A CONCERN OF SES LIGHT, REDUCED POWER, LOW POWER. *PE Read More »
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TSB #PIP-4372B
GMC: OIL LEAK AT TURBOCHARGER AIR INTAKE PIPE. INITIAL INSPECTION MA REVEAL A LEAK THAT LOOKS AS IT IS COMING FROM THE REAR OF THE ENGINE. *PE Read More »
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TSB #08-01-38-002
BLOWER MOTOR INOPERATIVE (REPLACE BLOWER MOTOR) FOR EXTENDED AND CREW CAB MODELS ONLY. *PE Read More »
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TSB #08-04-19-004
GMC: CORRECT FRONT AXLE VENT HOSE ROUTING. THE FRONT AXLE VENT HOSE IS MOUNTED IN THE LEFT SIDE OF THE ENGINE COMPARTMENT, AND MAY NOT BE CORRECTLY ROUTED. *PE UPDATED ON 5/1/2012. *KB Read More »
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TSB #PIP-4574M
BUICK/CHEVROLET/GMC/PONTIAC/SAAB: EXCESSIVE OIL CONSUMPTION AND/OR BLUE EXHAUST SMOKE-INVESTIGATION UPDATE. IN MOST CASES DID NOT START UNTIL THE ENGINE ACCUMULATED APPROXIMATELY 30,000 MILES OR MORE. Read More »
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TSB #SB-02-06-04-0371
CHEVROLET/GMC: CHECK ENGINE LIGHT ON, FUEL TANK HARD TO FILL, DTCS P0442, P0446, P0455 OR P0449 SET (REPLACE EVAPORATIVE EMISSION (EVAP) VENT VALVE SOLENOID ASSEMBLY AND ADD/RELOCATE FILETER BOX USING SERVICE KIT). Read More »
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TSB #PIP-4492P
BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SAAB: OIL CONSUMPTION AND/OR EXHAUST SMOKE-POSSIBLE PCV BAFFLE OR LIFTER CONCERN. UPON INSPECTION, OBVIOUS OIL WILL BE FOUND IN THE INTAKE MANIFOLD AND/OR PCV VACUUM TUBE. Read More »
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TSB #PIP3343
POSSIBLE ENGINE OIL LEAK DUE TO PCV FREEZE-UP, EQUIPPED WITH THE 4.8, 5.3, 6.0, AND 6.2 V-8 ENGINES. *NJ Read More »
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TSB #SB-080604003-C
GMC/CHEVROLET: ENGINES, WITH EGR SYSTEM, HAS LEAKAGE FROM EGR COOLER ENGINE COOLANT INTO THE COMBUSTION CHAMBER. MODEL 2002-15 SILVERADO, SIERRA, 2004-09 KODIAK C4500-C5500, TOPKICK C4500-C5500, 2006-15 EXPRESS, SAVANA. Read More »
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TSB #SB-02-06-04-0371
CHEVROLET/GMC: CHECK ENGINE LIGHT ON, FUEL TANK HARD TO FILL, DTCS P0442, P0446, P0455 OR P0449 SET (REPLACE EVAPORATIVE EMISSION (EVAP) VENT VALVE SOLENOID ASSEMBLY AND ADD/RELOCATE FILETER BOX USING SERVICE KIT). Read More »
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TSB #TB-09-06-04-022
GENERAL MOTORS: MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, INTERMITTENT DTC P0191, SLOW FUEL RAIL PRESSURE (FRP) DECAY, WIRING HARNESS CONNECTIONS, VOLTAGE FLUCTUATIONS/INTERRUPTIONS (FOLLOW CORRECTION INFORMATION BELOW). Read More »
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TSB #PIP-4430
GMC: FUEL RAIL PRESSURE SENSOR PERFORMANCE DTC P0191. MAY SET DUE TO ACTUAL FUEL RAIL PRESSURE NOT DROPPING QUICKLY ENOUGH WHEN THE ENGINE IS SHUT OFF. *PE Read More »
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TSB #070604027
EI07239 - 5.3L, LMG, LC9 DRIVEABILITY SYMPTOMS, HESITATION, MISS, LACK OF POWER, DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, P0171, P0172, P0174, P1174, P1175, CHECK ENGINE LIGHT, MIL, INJECTOR. Read More »
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TSB #PIP-4857
GM: THERE MAY BE REDUCED POWER AND AN INTERNAL TROUBLE CODE IN HIGH TEMPERATURES OR WHEN NEAR THE TOWING LIMIT. *RM Read More »
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TSB #PIP4105
DURAMAX DIESELS WITH DTC P009E, VEHICLES EQUIPPED WITH THE 6.6 DURAMAX DIESEL ENGINE RPO CODE LMN. *NJ UPDATED 4/7/08. *NJ Read More »
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TSB #PIT-4790A
GMC/CHEVROLET/CADILLAC: VEHICLE FUEL GAUGE INACCURATE BELOW 1/4 TANK. ON RARE OCCASIONS, THE VEHICLE HAS AN INACCURATE FUEL GAUGE READING AT 1/4 OR A 1/8 OF A TANK. *PE Read More »
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TSB #PIT-3046E
GMC: FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL, CAUSING THE LOW FUEL LIGHT TO ILLUMINATE. *PE Read More »
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TSB #09-07-30-004F
GM: SLIPS IN REVERSE OR THIRD, DELAYED REVERSE OR DRIVE ENGAGEMENT, DTC P0776, P2715, P2723, HARSH 2-3 SHIFTS (INSPECT 1-2-3-/ 3-5-R HOUSING AND PUMP SEAL RINGS). THIS CONDITION MAY BE CAUSED BY A CRACKED 1-2-3-4/ 3-5-R CLUTCH HOUSING. Read More »
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TSB #PIP-4379-D
CHEVROLET/GMC: DELAYED OR NO DRIVE AND DELAYED OR NO REVERSE WITH DTC'S, RANGE INHIBIT. MODEL YEARS 2001-2013. *PE UPDATED ON 06/08/2011. *KB UPDATED ON 06/16/2011. *KB UPDATED 11/26/12. Read More »
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TSB #4112
SAG OR HESITATION ON ACCELERATION (NORMAL OPERATING CHARACTERISTICS). EQUIPPED W/ GASOLINE ENGINE AND AUTOMATIC TRANSMISSION. *NJ UPDATED 1/30/08. *NJ UPDATED 10/01/08. *PE UPDATED 8/12/09. Read More »
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TSB #PI-0773
CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC: THERE IS SLIPPING OR HAVE NO FOURTH, FIFTH OR SIXTH GEAR AND MALFUNCTION INDICATOR LAMP (MIL) WOULD BE ON, WITH DIAGNOSTIC TROUBLE CODE (DTC) P0796 FOUND AS ACTIVE. Read More »
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TSB #PI0522B
GM: TICK OR RATTLE NOISE FROM FRONT OF DASH, TRANSMISSION FILLER TUBE CRACKED OR BROKEN (INSPECT FILLER TUBE, REPLACE TUBE AS NECESSARY). *JS UPDATED 05/3/2013 *JS Read More »
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TSB #PIP-3366-B
CADILLAC/CHEVROLET/GMC/HUMMER: SOME SUVS AND TRUCKS ARE EXHIBITING A CONDITION WHERE BY GRINDING/RATCHETING TYPE NOISE COMING FROM AUTOMATIC TRANSMISSION WHEN SHIFTING INTO PARK WHILE IN 4WD LOW (4LO) RANGE. Read More »
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TSB #SB-09038
CHEVROLET\GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ENHANCED CALIBRATION FOR TRANSMISSION OVERHEAT IN EXTREME COLD AIR TEMPERATURES. Read More »
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TSB #SB-08-07-30-021
LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IPC GAUGE FLUCTUATION, INTERMITTENT DOOR LOCK CYCLING, TRANSMISSION MAY NOT SHIFT, DTCS U0073, U0100, U0101, U0102, U0121, U0140 SET (REPAIR BACKED OUT TERMINAL IN ... Read More »
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TSB #PIT-4846A
CADILLAC/CHEVROLET/GMC: LOCATIONS OF HIGH SPEED GMLAN WIRING CONCERNS. GAUGES INOPERATIVE, NO CRANK, HARSH TRANSMISSION SHIFTING, NO TRANSMISSION SHIFTING, DOOR LOCKS CYCLING AND INDICATORS ON. *PE UPDATED 11/17/10. Read More »
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TSB #PIP-4395
GMC: FLARE AND OR HARSH 2-3 SHIFTS. THIS CONDITION MAY BE CAUSED BY LEAKING 1-2-3-4 AND 3-5-R CLUTCH FLUID SEAL RINGS (230). MODELS CADILLACS, CHEVROLETS, GMC, HUMMERS, PONTIACS. Read More »
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TSB #08-07-30-023
4L60-E/4L65-E/4L70-E AUTOMATIC TRANSMISSION FLUID LEAK FROM OIL PUMP OR BELL HOUSING AREA (REPLACE TORQUE CONVERTER HUB-TO-OIL PUMP SEAL ASSEMBLY). ATTN: THIS BULLETIN APPLIES TO VEHICLES BUILT PRIOR TO DECEMBER 2007. Read More »
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TSB #08-07-30-016
DIAGNOSTIC INFORMATION ON MH1, MN8, MT1, M15 TRANSMISSION SLIPS, WILL NOT SHIFT OR MAY OVERHEAT, SES/MIL MAY BE ILLUMINATED, DTCS P0218, P0894 SET. *PE UPDATED 8/12/08. *PE Read More »
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TSB #4133
TRANSMISSION SLIPS, WILL NOT SHIFT, SES LIGHT MAY BE ILLUMINATED. *KB Read More »
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TSB #4052
2-3 UPSHIFT SLIP OR FLARE. *KB Read More »
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TSB #4112
SAG OR HESITATION ON ACCELERATION (NORMAL OPERATING CHARACTERISTICS). EQUIPPED W/ GASOLINE ENGINE AND AUTOMATIC TRANSMISSION. *NJ UPDATED 1/30/08. *NJ UPDATED 10/01/08. *PE UPDATED 8/12/09. Read More »
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TSB #PIP-4290
ENGINE SURGE OR STALL AT STOP AND/OR DTC P0742 POSSIBLE TCC APPLIED. EQUIPPED WITH ALLISON LCT1000 TRANSMISSION RPO M74 OR MW7. *NJ UPDATED 4/22/13. *PE Read More »
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TSB #08-07-30-021G
GM: LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IP GAGE FLUCTUATION, INTERMITTENT DOOR LOOK CYCLING, INTERMITTENT CHIME OPERATION, VARIOUS IP WARNING LAMPS ILLUMINATED, TRANSMISSION MAY NOT SHIFT, COMMUNICATION DTCS ... Read More »
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TSB #SB-09038
CHEVROLET\GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ENHANCED CALIBRATION FOR TRANSMISSION OVERHEAT IN EXTREME COLD AIR TEMPERATURES. Read More »
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TSB #SB-08-07-30-021
LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IPC GAUGE FLUCTUATION, INTERMITTENT DOOR LOCK CYCLING, TRANSMISSION MAY NOT SHIFT, DTCS U0073, U0100, U0101, U0102, U0121, U0140 SET (REPAIR BACKED OUT TERMINAL IN ... Read More »
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TSB #07293
CHEVROLET\GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. TRANSMISSION OVERHEAT IN EXTREME COLD AMBIENT TEMPERATURES - REPROGRAM TCM. LOCATED IN ALASKA AND MINNESOTA; CANADIAN YUKON AND NORTHWEST TERRITORIES ONLY. Read More »
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TSB #08-07-30-021
LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IPC GAUGE FLUCTUATION, INTERMITTENT DOOR LOCK CYCLING, TRANSMISSION MAY NOT SHIFT, DTCS U0073, U0100, U0101, U0102, 70140 (REPAIR BACKED OUT TERMINAL IN TRANSMISSION HARNESS ... Read More »
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TSB #PIP3605
DTC U0101, NO ENGINE CRANK AND NO TECH II COMMUNICATION WITH TCM. EQUIPPED WITH ALLISON LCT1000 (RPO-MW7) AUTOMATIC TRANSMISSION. *NJ Read More »
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TSB #PIP4219
DIAGNOSIS FOR SERVICE FAST LEARN ADAPTS FAILS, NO FORWARD OR NO REVERSE. *NJ UPDATED 4/1/08. *NJ Read More »
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TSB #4143
U0106 LOSS OF COMMUNICATION WITH GLOW PLUG CONTROL MODULE. EQUIPPED WITH THE 6.6L DURAMAX DIESEL ENGINE RPO CODE LMM. *NJ Read More »
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TSB #PI-0615
GMC/CHEVROLET: BULLETIN PROVIDES INFORMATION ON THE SEAL REVISION AND THE TRANSFER CASE OUTPUT SHAFT SLINGER FOR CERTAIN MODEL YEAR TRUCKS. *PE Read More »
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TSB #PIP4365
TRANSFER CASE WILL NOT SHIFT POSSIBLE DTC'S C0387 AND/OR C0569. ON VEHICLES EQUIPPED WITH A MAGNA TRANSFER CASE RPO NQF. *NJ UPDATED 3/15/10. *PE UPDATED ON 6/27/2011. Read More »
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TSB #05-04-21-003
SERVICE 4WD LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) C0374 SET. *TT UPDATED 10/05/07. *NJ INSPECT WIRING HARNESS TO TRANSFER CASE SPEED SENSORS, REPLACE WIRING HARNESS. Read More »
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TSB #4303
4 WHEEL DRIVE INOPERATIVE FRONT AXLE WILL NOT ENGAGE - KEYWORDS CLUNK GRIND GROWL K2 K3 EQUIPPED WITH A 9.25 FRONT DIFFERENTIAL. *NJ UPDATED 2/27/08. *NJ Read More »
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TSB #PIP4054A
EATON LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS, EQUIPPED WITH A LOCKING REAR DIFFERENTIAL RPO G80. *NJ UPDATED 7/17/2008. *PE Read More »
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TSB #09-04-17-002E
GM: THERE MAY BE A BUMP NOISE OR CLUNK FEEL WHEN STOPPING OR LAUNCHING. THIS MAY BE CAUSED BY A SLIP IN THE TRANSMISSION. *RM Read More »
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TSB #070417002
WHINE TYPE NOISE COMING FROM REAR OF VEHICLE (DIAGNOSE AND REPLACE REAR PROPELLER SHAFT). *NJ Read More »
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TSB #SB-09184-A
GMC\CHEVROLET SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. MATERIAL OVER SENSING & DIAGNOSTIC MODULE RETAINING MOISTURE. Read More »
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TSB #PIT-4816A
CHEVROLET/GMC/CADILLAC: MULTIPLE ELECTRICAL CONCERNS WITH DTC C0900 - KEYWORDS BATTERY C/K CABLE CLOCK CRANK CYCLE DOOR DIMMING FLICKER GAGE GAUGE GMC HVAC INOP INOPERATIVE INSTRUMENT INTERMITTENT IPC LOCK NO PANEL POWER RADIO STALL ... Read More »
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TSB #070847004
INFORMATION ON BODY CONTROL MODULE (BCM) GROUNDS. *NJ UPDATED 7/19/13. *PE Read More »
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TSB #PIT-5184
CADILLAC/CHEVROLET/GMC: WILL HAVE INOPERATIVE CRUISE CONTROL; INOPERATIVE OR UNWANTED ACTIVATION OF RADIO CONTROLS; BACKLIGHTING FLASHES, FLICKERS OR INOPERATIVE DUE TO POSSIBLE SHORT TO GROUND ON STEERING WHEEL COIL CONNECTOR X2. Read More »
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TSB #PIP-4966
CHEVROLET/CADILLAC/GMC: CERTAIN VEHICLES EXPERIENCING ERRATIC OR INOPERATIVE SPEEDOMETER OR ANTI-LOCK BRAKE SYSTEM MESSAGE OR MALFUNCTIONING INDICATOR LIGHT DISPLAYING IN DRIVER'S INFORMATION CENTER. Read More »
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TSB #PIT5074F
GM: J-35616-64B TERMINAL TEST PROBE AND REPLACEMENT TERMINAL. ALSO INCLUDED MODELS VERANO, REGAL, LACROSSE, CTS, SRX, VOLT, SONIC, MALIBU, IMPALA, EQUINOX, CRUZE, AVALANCHE, TAHOE SUBURBAN, SILVERADO, SIERRA, YUKON, AND TERRAIN FOR ... Read More »
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TSB #PIT-5090
GM: THERE MAY BE MULTIPLE ELECTRICAL ISSUES SUCH AS: NO START, STARTER STAYS ENGAGED, FOG LAMPS WON'T TURN ON, WASHING FLUID NOT SPRAYING, PARK AND REVERSE LIGHTS STAY ON, BATTERY GOES DEAD, AND A BUZZ NOISE UNDERNEATH THE DASH. Read More »
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TSB #PB-10037A
GM: ONSTAR IS MAKING INCOMPLETE CALLS WITHOUT THE DRIVER KNOWING. WHEN HAVE A DATA CONNECTION. *RM Read More »
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TSB #PIT-4665A
GENERAL MOTORS: DURING NORMAL DIAGNOSTICS AND/OR REPAIR VERIFICATION THE ABS LIGHT, TRACTION CONTROL AND/OR STABILITRAK INDICATORS MAY BE ON WITH NO DTC'S DISPLAYED BY THE EBCM. *PE UPDATED 11/17/10. *PE UPDATED 3/14/11. Read More »
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TSB #PIT-4730A
BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SATURN: ADDITIONAL DIAGNOSTIC INFORMATION FOR U0140 OR U0073. Read More »
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TSB #PIP-4713
CHEVROLET/GMC: INSPECT FOR WIRE HARNESS CHAFES NEAR CONNECTOR X108. DEALER MAY ENCOUNTER A CONCERN OF THE SES LIGHT ON WITH REDUCED POWER. DIAGNOSTICS MAY REVEAL DTC'S P0193, P0522 AND/OR P0652. Read More »
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TSB #4407
AUXILIARY POWER TO 7-WAY TRAILER CONNECTOR. *KB Read More »
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TSB #CSP-10414
GMC/CHEVROLET: SEE DOCUEMTN SEARCH BUTTON FOR OWNER LETTER. AUXILIARY BATTERY FEED MAY CAUSE FUSIBLE LINK TO MELT AND OPEN CIRCUIT TO PREVENT DAMAGE OR FIRE IN WIRING HARNESS, DUE TO ELECTRICAL OVER LOAD. Read More »
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TSB #PIT-5090
GM: THERE MAY BE MULTIPLE ELECTRICAL ISSUES SUCH AS: NO START, STARTER STAYS ENGAGED, FOG LAMPS WON'T TURN ON, WASHING FLUID NOT SPRAYING, PARK AND REVERSE LIGHTS STAY ON, BATTERY GOES DEAD, AND A BUZZ NOISE UNDERNEATH THE DASH. Read More »
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TSB #SB-07-06-03-002C
CADILLAC/CHEVROLET/GMC: INFORMATION ON INSPECTING TOP POST BATTERY CABLE BOLTS, CLAMPS AND NUTS DURING PRE-DELIVERY INSPECTION (PDI). *PE Read More »
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TSB #PIC-4872
GMC/CHEVROLET/CADILLAC: SIR MIL ON WITH DTC B1325 SYM 03. DURING A LOW BATTERY/VOLTAGE CONDITION THE PASSENGER PRESENCE SYSTEM MAY SET A B1325 SYM 03 ALONG WITH OTHER FAULTS THAT ARE CAUSED BY THE LOW BATTER/VOLTAGE CONDITION. Read More »
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TSB #PIT-4613A
GMC: INTERMITTENT NO CRANK AND/OR DISCHARGED BATTERY. COULD BE CAUSED BY A LOOSE CONNECTION AT THE 175 AMP MEGA FUSE LOCATED ON THE PASSENGER SIDE OF THE COWL. *PE Read More »
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TSB #SB-07-06-03-002C
CADILLAC/CHEVROLET/GMC: INFORMATION ON INSPECTING TOP POST BATTERY CABLE BOLTS, CLAMPS AND NUTS DURING PRE-DELIVERY INSPECTION (PDI). *PE Read More »
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TSB #PIT-4613A
GMC: INTERMITTENT NO CRANK AND/OR DISCHARGED BATTERY. COULD BE CAUSED BY A LOOSE CONNECTION AT THE 175 AMP MEGA FUSE LOCATED ON THE PASSENGER SIDE OF THE COWL. *PE Read More »
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TSB #070603005
REPLACEMENT INFORMATION FOR BROKEN T-BOLT ON NEGATIVE AND/OR POSITIVE BATTERY CABLE TERMINAL. *NJ Read More »
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TSB #3808
CRANK NO START, ROUGH RUNNING, OR DTC P0335. *TT EQUIPPED WITH 5.3L, 6.0L, 6.2L ENGINES. UPDATED 1/30/08. *NJ Read More »
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TSB #PIT4595
SERVICE TRAILER BRAKE MESSAGE WITH DTC C1114 AND/OR C1112. WITH RPO JL1. *NJ UPDATED 3/28/11. *PE Read More »
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TSB #PIT4366
[CHECK TRAILER WIRING] MESSAGE DISPLAYED ON DIC. WITH RPO JL1. *NJ UPDATED 3/28/11. *PE Read More »
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TSB #PIT-4900A
CHEVROLET/GMC: SERVICE TRAILER BRAKE MESSAGE WITH DTC(S) C1115, C1116, C1117, AND/OR C1118 (INSPECT WIRING NEAR PARKING BRAKE PEDAL). THIS CONCERN MAY BE VERY INTERMITTENT AND CAN OCCUR WITH OR WITHOUT A TRAILER CONNECTED TO TRUCK. Read More »
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TSB #PIT-4730A
BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SATURN: ADDITIONAL DIAGNOSTIC INFORMATION FOR U0140 OR U0073. Read More »
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TSB #PIT-4801B
GMC/CHEVROLET: CHECK TRAILER WIRING MESSAGE IN DIC POOR CONNECTIONS AT 7-WAY). THIS CONCERN COULD BE CAUSED BY A POOR CONNECTION AT THE 7-WAY TRAILER CONNECTOR. Read More »
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TSB #PIP-4713
CHEVROLET/GMC: INSPECT FOR WIRE HARNESS CHAFES NEAR CONNECTOR X108. DEALER MAY ENCOUNTER A CONCERN OF THE SES LIGHT ON WITH REDUCED POWER. DIAGNOSTICS MAY REVEAL DTC'S P0193, P0522 AND/OR P0652. Read More »
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TSB #TB-09-06-04-022
GENERAL MOTORS: MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, INTERMITTENT DTC P0191, SLOW FUEL RAIL PRESSURE (FRP) DECAY, WIRING HARNESS CONNECTIONS, VOLTAGE FLUCTUATIONS/INTERRUPTIONS (FOLLOW CORRECTION INFORMATION BELOW). Read More »
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TSB #08-08-45-002
LEFT OR RIGHT POWER OUTSIDE MIRROR INOPERATIVE (INSPECT WIRE HARNESS). *NJ Read More »
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TSB #3808
CRANK NO START, ROUGH RUNNING, OR DTC P0335. *TT EQUIPPED WITH 5.3L, 6.0L, 6.2L ENGINES. UPDATED 1/30/08. *NJ Read More »
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TSB #4132
SIR LIGHT ON, DTC'S B0085, B0086, B0087 AND B0088. *NJ Read More »
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TSB #070849018
VARIOUS ELECTRICAL CONCERNS - INTERMITTENTLY FUNCTIONING OR INOPERATIVE COMPONENT, IP WARNING LIGHT ON, DIC MESSAGE DISPLAYED, DTC SET, NO CRANK/START (REPAIR IP WIRING HARNESS) *NJ Read More »
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TSB #PIT4595
SERVICE TRAILER BRAKE MESSAGE WITH DTC C1114 AND/OR C1112. WITH RPO JL1. *NJ UPDATED 3/28/11. *PE Read More »
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TSB #PIT4366
[CHECK TRAILER WIRING] MESSAGE DISPLAYED ON DIC. WITH RPO JL1. *NJ UPDATED 3/28/11. *PE Read More »
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TSB #PIT-4900A
CHEVROLET/GMC: SERVICE TRAILER BRAKE MESSAGE WITH DTC(S) C1115, C1116, C1117, AND/OR C1118 (INSPECT WIRING NEAR PARKING BRAKE PEDAL). THIS CONCERN MAY BE VERY INTERMITTENT AND CAN OCCUR WITH OR WITHOUT A TRAILER CONNECTED TO TRUCK. Read More »
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TSB #PIT-4801B
GMC/CHEVROLET: CHECK TRAILER WIRING MESSAGE IN DIC POOR CONNECTIONS AT 7-WAY). THIS CONCERN COULD BE CAUSED BY A POOR CONNECTION AT THE 7-WAY TRAILER CONNECTOR. Read More »
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TSB #4444
NO START/NO CRANK - LOSS OF HIGH SPEED GMLAN COMMUNICATION. *NJ Read More »
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TSB #PI0639A
GM: THE SERVICE STABILITRAK MESSAGE BEING DISPLAYED IN DIC. THE STABILITRAK INDICATOR LIGHT MAY ALSO BE ON. *JS UPDATED ON 7/9/2013. *KB Read More »
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TSB #PIT-4613A
GMC: INTERMITTENT NO CRANK AND/OR DISCHARGED BATTERY. COULD BE CAUSED BY A LOOSE CONNECTION AT THE 175 AMP MEGA FUSE LOCATED ON THE PASSENGER SIDE OF THE COWL. *PE Read More »
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TSB #3075
BLOWN MBEC 1 OR LBEC 1 FUSE. *KB Read More »
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TSB #PIT-5090
GM: THERE MAY BE MULTIPLE ELECTRICAL ISSUES SUCH AS: NO START, STARTER STAYS ENGAGED, FOG LAMPS WON'T TURN ON, WASHING FLUID NOT SPRAYING, PARK AND REVERSE LIGHTS STAY ON, BATTERY GOES DEAD, AND A BUZZ NOISE UNDERNEATH THE DASH. Read More »
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TSB #PIP-5276-E
CADILLAC/CHEVROLET/GMC: ON SOME VEHICLES AND/OR TRUCKS, INSTRUMENT CLUSTER WILL ILLUMINATE, AFTER AN OIL CHANGE, INDICATING LOW OIL PRESSURE AND/OR SES LAMP WILL ILLUMINATE. Read More »
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TSB #PIP-4966
CHEVROLET/CADILLAC/GMC: CERTAIN VEHICLES EXPERIENCING ERRATIC OR INOPERATIVE SPEEDOMETER OR ANTI-LOCK BRAKE SYSTEM MESSAGE OR MALFUNCTIONING INDICATOR LIGHT DISPLAYING IN DRIVER'S INFORMATION CENTER. Read More »
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TSB #SB-08-07-30-021
LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IPC GAUGE FLUCTUATION, INTERMITTENT DOOR LOCK CYCLING, TRANSMISSION MAY NOT SHIFT, DTCS U0073, U0100, U0101, U0102, U0121, U0140 SET (REPAIR BACKED OUT TERMINAL IN ... Read More »
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TSB #PIT-4730A
BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SATURN: ADDITIONAL DIAGNOSTIC INFORMATION FOR U0140 OR U0073. Read More »
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TSB #PIT-4846A
CADILLAC/CHEVROLET/GMC: LOCATIONS OF HIGH SPEED GMLAN WIRING CONCERNS. GAUGES INOPERATIVE, NO CRANK, HARSH TRANSMISSION SHIFTING, NO TRANSMISSION SHIFTING, DOOR LOCKS CYCLING AND INDICATORS ON. *PE UPDATED 11/17/10. Read More »
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TSB #08-07-30-021
LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IPC GAUGE FLUCTUATION, INTERMITTENT DOOR LOCK CYCLING, TRANSMISSION MAY NOT SHIFT, DTCS U0073, U0100, U0101, U0102, 70140 (REPAIR BACKED OUT TERMINAL IN TRANSMISSION HARNESS ... Read More »
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TSB #070849029
INSTRUMENT PANEL (IP) GAUGES/GAGES DIFFICULT TO READ OR SEE, POOR BACKLIGHTING (REPLACE IP AND PROGRAM). *NJ Read More »
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TSB #4486
ONE OF THE FOLLOWING CONCERNS WHEN PROGRAMMING THE MILEAGE OR THE HOURS INTO AN EXCHANGE INSTRUMENT PANEL CLUSTER THAT IS RECEIVED FROM AN ELECTRONIC SERVICE CENTER (ESC). *NJ Read More »
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TSB #PIT-4665A
GENERAL MOTORS: DURING NORMAL DIAGNOSTICS AND/OR REPAIR VERIFICATION THE ABS LIGHT, TRACTION CONTROL AND/OR STABILITRAK INDICATORS MAY BE ON WITH NO DTC'S DISPLAYED BY THE EBCM. *PE UPDATED 11/17/10. *PE UPDATED 3/14/11. Read More »
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TSB #060842009
USE OF AUXILIARY CENTER HIGH MOUNTED STOP LAMP (CHMSL) WITH INSTALLATION OF ACCESSORIES OVERHEAD RACK SYSTEM. *NJ Read More »
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TSB #10-08-42-001C
GM: LOW BEAM HEADLAMP BULB DIAGNOSIS/ REPLACEMENT (INSPECT BULB AND CONNECTOR). DO NOT REPLACE THE ENTIRE HEADLAMP ASSEMBLY FOR THIS CONDITION. REPLACE THE BULB AND INSPECT THE CONNECTOR. *JS UPDATED 4/7/15. Read More »
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TSB #PIT-4696A
GMC: BMC FAILURE AFTER WINDSHIELD WIPER OPERATION-KEYWORDS: AJAR DOOR DOME DRIVER DIMMER FLASHER FOG HAUL HEADLIGHT HEAD HIGH HAZARD INOP INOPERATIVE LAMP LIGHT LOCK LOW NOT ON OFF POWER PARK RADIO RAP REPEAT SIGNAL SHUT SPEED STAY SWITCH ... Read More »
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TSB #PIT-4696A
GMC: BMC FAILURE AFTER WINDSHIELD WIPER OPERATION-KEYWORDS: AJAR DOOR DOME DRIVER DIMMER FLASHER FOG HAUL HEADLIGHT HEAD HIGH HAZARD INOP INOPERATIVE LAMP LIGHT LOCK LOW NOT ON OFF POWER PARK RADIO RAP REPEAT SIGNAL SHUT SPEED STAY SWITCH ... Read More »
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TSB #PIT-4696A
GMC: BMC FAILURE AFTER WINDSHIELD WIPER OPERATION-KEYWORDS: AJAR DOOR DOME DRIVER DIMMER FLASHER FOG HAUL HEADLIGHT HEAD HIGH HAZARD INOP INOPERATIVE LAMP LIGHT LOCK LOW NOT ON OFF POWER PARK RADIO RAP REPEAT SIGNAL SHUT SPEED STAY SWITCH ... Read More »
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TSB #08-08-42-003
GMC: STOP LAMPS INTERMITTENTLY TURN OFF AFTER COMING TO A COMPLETE STOP WHILE STILL HAVING PRESSURE ON BRAKE PEDAL (REPLACE STOP LAMP SWITCH). *PE UPDATED 3/1/10. *PE Read More »
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TSB #SB-07-08-42-006H
INFORMATION ON BCM CALIBRATIONS AVAILABLE TO RESTORE BULB OUTAGE DETECTION ON VEHICLES PRODUCED BY A SECOND STAGE MANUFACTURER, TURN SIGNALS FLASH FAST AFTER FACTORY BOX REMOVED (UPFITTER). Read More »
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TSB #SB-070842006C
GENERAL MOTORS: BCM CALIBRATIONS AVAILABLE TO RESTORE BULB OUTAGE DETECTION ON VEHICLES PRODUCED BY A SECOND STATE MANUFACTURER, TURN SIGNALS FLASH FAST AFTER FACTORY BOX REMOVED (UPFITTER). Read More »
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TSB #PIT4604
TURN SIGNALS FLASH FAST AFTER FACTORY BOX REMOVED. *NJ UPDATED 8/25/08. *PE Read More »
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TSB #4131
RIGHT FRONT TURN SIGNAL INOPERATIVE. *NJ Read More »
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TSB #SB-070842006C
GENERAL MOTORS: BCM CALIBRATIONS AVAILABLE TO RESTORE BULB OUTAGE DETECTION ON VEHICLES PRODUCED BY A SECOND STATE MANUFACTURER, TURN SIGNALS FLASH FAST AFTER FACTORY BOX REMOVED (UPFITTER). Read More »
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TSB #PIT-4696A
GMC: BMC FAILURE AFTER WINDSHIELD WIPER OPERATION-KEYWORDS: AJAR DOOR DOME DRIVER DIMMER FLASHER FOG HAUL HEADLIGHT HEAD HIGH HAZARD INOP INOPERATIVE LAMP LIGHT LOCK LOW NOT ON OFF POWER PARK RADIO RAP REPEAT SIGNAL SHUT SPEED STAY SWITCH ... Read More »
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TSB #070842013
TURN SIGNAL IN CAMPER STYLE OUTSIDE REARVIEW MIRROR (RPO DPN) DOES NOT ILLUMINATE TURN SIGNAL FLASH (REPLACE UPPER MIRROR GLASS) *NJ Read More »
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TSB #PIT-4696A
GMC: BMC FAILURE AFTER WINDSHIELD WIPER OPERATION-KEYWORDS: AJAR DOOR DOME DRIVER DIMMER FLASHER FOG HAUL HEADLIGHT HEAD HIGH HAZARD INOP INOPERATIVE LAMP LIGHT LOCK LOW NOT ON OFF POWER PARK RADIO RAP REPEAT SIGNAL SHUT SPEED STAY SWITCH ... Read More »
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TSB #PIT-4696A
GMC: BMC FAILURE AFTER WINDSHIELD WIPER OPERATION-KEYWORDS: AJAR DOOR DOME DRIVER DIMMER FLASHER FOG HAUL HEADLIGHT HEAD HIGH HAZARD INOP INOPERATIVE LAMP LIGHT LOCK LOW NOT ON OFF POWER PARK RADIO RAP REPEAT SIGNAL SHUT SPEED STAY SWITCH ... Read More »
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TSB #PIT-4696A
GMC: BMC FAILURE AFTER WINDSHIELD WIPER OPERATION-KEYWORDS: AJAR DOOR DOME DRIVER DIMMER FLASHER FOG HAUL HEADLIGHT HEAD HIGH HAZARD INOP INOPERATIVE LAMP LIGHT LOCK LOW NOT ON OFF POWER PARK RADIO RAP REPEAT SIGNAL SHUT SPEED STAY SWITCH ... Read More »
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TSB #PIT-4696A
GMC: BMC FAILURE AFTER WINDSHIELD WIPER OPERATION-KEYWORDS: AJAR DOOR DOME DRIVER DIMMER FLASHER FOG HAUL HEADLIGHT HEAD HIGH HAZARD INOP INOPERATIVE LAMP LIGHT LOCK LOW NOT ON OFF POWER PARK RADIO RAP REPEAT SIGNAL SHUT SPEED STAY SWITCH ... Read More »
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TSB #PI-0695
GM: DIAGNOSE AND REPAIR HVAC BLOWER FUNCTION. MAY NOT BE ANY AIR FLOW FROM THE HVAC VENTS. ONE POSSIBLE OF THIS CONDITION MAY BE THE CONTACTS IN THE HVAC JUNCTION BLOCK(S) LOCATED AT THE RIGHT SIDE OF THE INSTRUMENTAL PANEL. Read More »
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TSB #SB-08-09-41-002C
GENERAL MOTORS: DIAGNOSTIC INFORMATION FOR INTERMITTENT RESTRAINTS, AIR BAG (SIR) INDICATOR/LAMP ON WITH DTC(S) B0012, B0013, B0016, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 OR B0044 SET. Read More »
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TSB #SB-07-09-41-010A
BUICK/CADILLAC/CHEVROLET/GMC: AIRBAG LIGHT ON, DTC B0071 AND B0081 SET (DIAGNOSE AND REPLACE RIGHT FRONT SEATBELT BUCKLE, IF NECESSARY). Read More »
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TSB #SB-09-09-41-005
GMC/CADILLAC/CHEVROLET: AIR BAG READINESS LIGHT ON, SERVICE AIR BAG MESSAGE, INFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE (SDM) CORROSION (REPLACE SDM/CUT AND REMOVE CARPET PAD). Read More »
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TSB #PIT-4857
GMC/CHEVROLET: SIR MIL ON AND TECH 2 WILL NOT COMMUNICATE WITH SDM. SOME MODULES MAY SET A COMMUNICATION DTC U0151 AGAINST SDM. Read More »
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TSB #SB-07-09-41-010A
BUICK/CADILLAC/CHEVROLET/GMC: AIRBAG LIGHT ON, DTC B0071 AND B0081 SET (DIAGNOSE AND REPLACE RIGHT FRONT SEATBELT BUCKLE, IF NECESSARY). Read More »
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TSB #PIT-4857
GMC/CHEVROLET: SIR MIL ON AND TECH 2 WILL NOT COMMUNICATE WITH SDM. SOME MODULES MAY SET A COMMUNICATION DTC U0151 AGAINST SDM. Read More »
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TSB #070941004
NEW PROCEDURE FOR CLEARING PASSENGER PRESENCE SYSTEM (PPS) AND SENSING AND DIAGNOSTIC MODULE (SDM) DTCS B0071, B0074, B0081. *NJ Read More »
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TSB #09-09-40-001A
GM: THERE ARE SEAT BELT PROBLEMS: DIFFICULTY LATCHING AND UNLATCHING BUCKLE. BUCKLE RELEASE BUTTON IS STICKING. SEAT BELT WARNING LIGHT ILLUMINATED. LIKELY CAUSED BY STICKY BEVERAGES THAT ARE SPILLED INTO THE BUCKLE ASSEMBLY. Read More »
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TSB #SB-07-09-41-010A
BUICK/CADILLAC/CHEVROLET/GMC: AIRBAG LIGHT ON, DTC B0071 AND B0081 SET (DIAGNOSE AND REPLACE RIGHT FRONT SEATBELT BUCKLE, IF NECESSARY). Read More »
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TSB #05-09-40-002E
GM: SERVICE BULLETIN EXPLAINING WHEN THE SAFETY BELTS ARE SUPPOSED TO LOCK. *RM UPDATED 12/6/11. *PE Read More »
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TSB #070940001
FRONT SEATBELT LATCH PLATE REVERSED, FRONT SEATBELT TWISTED (PERFORM REPAIR TO UNTWIST SEATBELT). *NJ Read More »
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TSB #05-09-40-002E
GM: SERVICE BULLETIN EXPLAINING WHEN THE SAFETY BELTS ARE SUPPOSED TO LOCK. *RM UPDATED 12/6/11. *PE Read More »
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TSB #SB-07-09-41-010A
BUICK/CADILLAC/CHEVROLET/GMC: AIRBAG LIGHT ON, DTC B0071 AND B0081 SET (DIAGNOSE AND REPLACE RIGHT FRONT SEATBELT BUCKLE, IF NECESSARY). Read More »
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TSB #09-09-40-001A
GM: THERE ARE SEAT BELT PROBLEMS: DIFFICULTY LATCHING AND UNLATCHING BUCKLE. BUCKLE RELEASE BUTTON IS STICKING. SEAT BELT WARNING LIGHT ILLUMINATED. LIKELY CAUSED BY STICKY BEVERAGES THAT ARE SPILLED INTO THE BUCKLE ASSEMBLY. Read More »
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TSB #SB-09239
CADILLAC\CHEVROLET\GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-FRONT AND REAR CHROME INTERIOR DOOR HANDLE LEVER. Read More »
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TSB #SB-09-08-64-032A
GM: THE CHROME OUTSIDE DOOR HANDLE IS CRACKED OR LOOSE AT THE SCREW WHERE IT ATTACHES. GREASE MAY HAVE CAUSE THE SCREW TO DEGRADE OR THE TORQUE WAS TOO HIGH. *RM Read More »
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TSB #3189
UNABLE TO DISABLE AUTO DOOR LOCKS. THIS INCLUDES 05 CHEVROLET GMC CADILLAC FULL SIZE TRUCKS AND UTILITIES. *EH ALSO INCLUDES AVALANCE, SILVERADO SUBURBAN TAHOE; GMC SIERRA, YUKON, DENALI, YUKON XL, DENALI XL. UPDATED 8/26/08. Read More »
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TSB #PI-0011A
GM: THE FRONT OR REAR DOOR MAY NOT OPEN FROM THE INSIDE OR OUTSIDE HANDLE, THE DOOR WILL NOT UNLOCK WITH ANY METHOD. THE PROBABLY CAUSE AN INCORRECT INSTALLATION OF A HANDLE COMPONENT. *RM UPDATED ON 7/26/2013. Read More »
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TSB #3189
UNABLE TO DISABLE AUTO DOOR LOCKS. THIS INCLUDES 05 CHEVROLET GMC CADILLAC FULL SIZE TRUCKS AND UTILITIES. *EH ALSO INCLUDES AVALANCE, SILVERADO SUBURBAN TAHOE; GMC SIERRA, YUKON, DENALI, YUKON XL, DENALI XL. UPDATED 8/26/08. Read More »
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TSB #SB-08-07-30-021
LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IPC GAUGE FLUCTUATION, INTERMITTENT DOOR LOCK CYCLING, TRANSMISSION MAY NOT SHIFT, DTCS U0073, U0100, U0101, U0102, U0121, U0140 SET (REPAIR BACKED OUT TERMINAL IN ... Read More »
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TSB #PIT-4846A
CADILLAC/CHEVROLET/GMC: LOCATIONS OF HIGH SPEED GMLAN WIRING CONCERNS. GAUGES INOPERATIVE, NO CRANK, HARSH TRANSMISSION SHIFTING, NO TRANSMISSION SHIFTING, DOOR LOCKS CYCLING AND INDICATORS ON. *PE UPDATED 11/17/10. Read More »
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TSB #PIT-4696A
GMC: BMC FAILURE AFTER WINDSHIELD WIPER OPERATION-KEYWORDS: AJAR DOOR DOME DRIVER DIMMER FLASHER FOG HAUL HEADLIGHT HEAD HIGH HAZARD INOP INOPERATIVE LAMP LIGHT LOCK LOW NOT ON OFF POWER PARK RADIO RAP REPEAT SIGNAL SHUT SPEED STAY SWITCH ... Read More »
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TSB #08-07-30-021
LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IPC GAUGE FLUCTUATION, INTERMITTENT DOOR LOCK CYCLING, TRANSMISSION MAY NOT SHIFT, DTCS U0073, U0100, U0101, U0102, 70140 (REPAIR BACKED OUT TERMINAL IN TRANSMISSION HARNESS ... Read More »
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TSB #4512
OUTSIDE DOOR HANDLE LOOSE, INOPERATIVE OR DOES NOT RETRACT. *NJ Read More »
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TSB #PIT-4508
CRUISE CONTROL INOPERATIVE - KEYWORDS ABS B3894 BRAKE CYLINDER EBCM INOP MASTER MODULE PRESSURE SENSOR SWITCH TRAILER. WITH RPO JL1. Read More »
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TSB #PIT-5179
CADILLAC/GMC/CHEVROLET: INFORMATION ON CRUISE CONTROL BEING INOPERATIVE DUE TO BPP CIRCUIT SIGNAL AND/OR TCC/CRUISE BRAKE PEDAL PARAMETERS, WHEN BRAKE PEDAL IS RELEASED BUT SHOWS APPLIED. Read More »
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TSB #3959
UNABLE TO LOWER SPARE TIRE FROM UNDERNEATH THE VEHICLE. *NJ Read More »
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TSB #PIT4316
CHECK LOW TIRE / AFTERMARKET WHEELS / TIRE PRESSURE MONITOR / FMVSS 138 WITH (RPO UJ6). *NJ Read More »
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TSB #PIT3569
LOW TIRE LIGHT ON AND/OR DIC CHECK TIRE PRESSURE MESSAGE WHEN COLD, WITH RPO UJ6. *NJ Read More »
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TSB #10-08-50-008B
GM: THE DRIVER OR PASSENGER HEATED SEAT ARE INOPERATIVE. THEY ARE SLOW TO WARM OR MAY SHUT OFF. THERE ARE TROUBLE CODES SET RELATED TO THE GROUND TERMINAL HARNESS. *RM Read More »
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TSB #PIT-5120-A
GMC/CHEVROLET/CADILLAC: INSTRUMENT PANEL MESSAGES REGARDING STABILITRAK MESSAGE, TRACTION CONTROL MESSAGE, SERVICE BRAKE SYSTEM MESSAGE, IS OFF AND GAUGES, IN VARIOUS MODULES LOW SPEED SETTINGS, ARE INOPERATIVE. Read More »
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TSB #PIT-4665A
GENERAL MOTORS: DURING NORMAL DIAGNOSTICS AND/OR REPAIR VERIFICATION THE ABS LIGHT, TRACTION CONTROL AND/OR STABILITRAK INDICATORS MAY BE ON WITH NO DTC'S DISPLAYED BY THE EBCM. *PE UPDATED 11/17/10. *PE UPDATED 3/14/11. Read More »
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TSB #PIT-4322-D
GM: THERE IS UNWANTED STABILITY ACTION OR STABILITY LIGHT ON. THIS CAN BE CAUSED BY THE SUSPENSION BEING MODIFIED. *RM UPDATED 6/18/12. Read More »
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TSB #PIT-5120-A
GMC/CHEVROLET/CADILLAC: INSTRUMENT PANEL MESSAGES REGARDING STABILITRAK MESSAGE, TRACTION CONTROL MESSAGE, SERVICE BRAKE SYSTEM MESSAGE, IS OFF AND GAUGES, IN VARIOUS MODULES LOW SPEED SETTINGS, ARE INOPERATIVE. Read More »
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TSB #PIT 4162
SERVICE STABILITY LAMP DTC C0131. *NJ UPDATED 4/1/08. *NJ UPDATED 6/26/08. *NJ UPDATED 12/18/08. *PE UPDATED 8/1/11. *PE Read More »
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TSB #4225
SERVICE STABILITY LAMP DTC C0710. *NJ UPDATED 3/25/11. *PE Read More »
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TSB #4322
UNWANTED STABILITY ACTIVATION AND/OR C0710 WITH LIFT/LOWER KITS-DIFFERENT TIRES/WHEEL. WITH RPO JL4. *NJ UPDATED 12/18/08. *PE Read More »
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TSB #PIT-4696A
GMC: BMC FAILURE AFTER WINDSHIELD WIPER OPERATION-KEYWORDS: AJAR DOOR DOME DRIVER DIMMER FLASHER FOG HAUL HEADLIGHT HEAD HIGH HAZARD INOP INOPERATIVE LAMP LIGHT LOCK LOW NOT ON OFF POWER PARK RADIO RAP REPEAT SIGNAL SHUT SPEED STAY SWITCH ... Read More »
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TSB #SB-09-08-110-002
GM: THE CARPET IS CURLING AT THE TOP FRONT EDGE. THE CARPET WAS FOLDED PRIOR TO INSTALLATION AND WHEN INSTALLED IT CURLS BACK UP. 2007-2012 SILVERADO/SIERRA. *RM Read More »
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TSB #PIT-4665A
GENERAL MOTORS: DURING NORMAL DIAGNOSTICS AND/OR REPAIR VERIFICATION THE ABS LIGHT, TRACTION CONTROL AND/OR STABILITRAK INDICATORS MAY BE ON WITH NO DTC'S DISPLAYED BY THE EBCM. *PE UPDATED 11/17/10. *PE UPDATED 3/14/11. Read More »
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TSB #4169
SERVICE STABILITY LAMP DIAGNOSTIC TROUBLE CODE (DTC) C0561. *KB UPDATED 9/30/08. *PE Read More »
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TSB #PIT-4696A
GMC: BMC FAILURE AFTER WINDSHIELD WIPER OPERATION-KEYWORDS: AJAR DOOR DOME DRIVER DIMMER FLASHER FOG HAUL HEADLIGHT HEAD HIGH HAZARD INOP INOPERATIVE LAMP LIGHT LOCK LOW NOT ON OFF POWER PARK RADIO RAP REPEAT SIGNAL SHUT SPEED STAY SWITCH ... Read More »
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TSB #PIT3504D
SOME CUSTOMERS MAY COMMENT ON VARIOUS HVAC CONCERNS INCLUDING TEMPERATURE DOORS DEFAULTING TO FULL HOT POSITION OR UNABLE TO OBTAIN DEFROST POSITION. *PE Read More »
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TSB #SB-09-08-110-002
GM: THE CARPET IS CURLING AT THE TOP FRONT EDGE. THE CARPET WAS FOLDED PRIOR TO INSTALLATION AND WHEN INSTALLED IT CURLS BACK UP. 2007-2012 SILVERADO/SIERRA. *RM Read More »
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TSB #PI-0648
CADILLAC/CHEVROLET/GMC: ORIGINAL STYLE BLOWER MOTOR ASSEMBLY IS NO LONGER AVAILABLE. A REVISED HVAC BLOWER MOTOR ASSEMBLY FOR FULL SIZE TRUCKS IS REQUIRED, WITH MODIFICATIONS, TO FUNCTION PROPERLY. *PE UPDATED 2/25/13. Read More »
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TSB #SB-10240
GENERAL MOTORS SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE HVAC BLOWER MAY NOT WORK AT CERTAIN FUNCTIONS OR MAY BECOME INOPERABLE. THERE COULD BE A BURNING SMELL OR SMOKE. *RM UPDATED 4/6/12. Read More »
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TSB #070138009
EI07264 - MANUAL HVAC PERFORMANCE, TEMPERATURE, MODE, A/C DOES NOT COOL, DTC B0228, B0413, B0423, B0433, B3779, B3782 *NJ UPDATED 2/15/08. *NJ Read More »
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TSB #10-00-89-017C
GM: INFORMATION ON FIXING MULTIPLE SITUATIONS RIGHT THE FIRST TIME. *RM Read More »
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TSB #02-06-04-037
SOME CUSTOMERS WHOSE VEHICLES ARE OPERATED IN DUSTY TYPE ENVIRONMENTS, SUCH AS FARMING OR MINING OFF-ROAD TYPE APPLICATIONS, MAY COMMENT ABOUT THE ILLUMINATION OF THE INSTRUMENT PANEL SES LIGHT, WITH DIAGNOSTIC TROUBLE CODE P0446 SET. Read More »