Technical Service Bulletins (TSBs) for the 1999 Sonoma are official communications between GMC & 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.

    SERVICE BRAKES, HYDRAULIC

    • TSB #PIP4723F

      Date Announced:
      JAN 14, 2022
      NHTSA ID:
      #10208027

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM

    • TSB #270901

      Date Announced:
      SEP 27, 2001
      NHTSA ID:
      #626507

      SUBJECT REGARDING NECESSARY RESURFACING OF THE PARK BRAKE DRUM. *JG Read More »

    SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

    SERVICE BRAKES, AIR:ANTILOCK

    • TSB #020525006A

      Date Announced:
      DEC 01, 2002
      NHTSA ID:
      #10000749

      ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS ON VARIOUS MODELS INCLUDING THE 1995 AND 1996 ENVOY. *TT Read More »

    ENGINE AND ENGINE COOLING

    • TSB #PI0969

      Date Announced:
      MAY 03, 2013
      NHTSA ID:
      #10139019

      This preliminary informational bulletin provides information on High Oil Pressure on Startup After Engine Replacement Concern. Read More »

    • TSB #040603002

      Date Announced:
      FEB 01, 2004
      NHTSA ID:
      #10012703

      DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY. *EH Read More »

    • TSB #01225

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007717

      ENGINE COOLANT LEAK AT INTAKE GASKET. * MJ Read More »

    • TSB #990602012D

      Date Announced:
      APR 01, 2002
      NHTSA ID:
      #634218

      SUBJECT REGARDING RUST IN COOLING SYSTEM, HEATER INOPERATIVE, BLOWS COLD AIR, ENGINE OVERHEATS (FLUSH COOLING SYSTEM). NLM Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #030601024A

      Date Announced:
      MAR 01, 2004
      NHTSA ID:
      #10004301

      RATTLE NOISE IN ENGINE. *TT Read More »

    • TSB #040604015

      Date Announced:
      MAR 01, 2004
      NHTSA ID:
      #10008673

      CHECK ENGINE LIGHT ON, DIAGNOSTIC TROUBLE CODE (DTC) P0410 SET. *TT Read More »

    • TSB #01727

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10006363

      4.3 L35 LU3 RATTLE OR BUZZ NOISE FROM ENGINE. SIT BULLETIN 1457619. *TT Read More »

    • TSB #3081

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10010375

      SERVICE ENGINE SOON LIGHT AND P0300 WHEN TOWING, CRUISING UPHILL OR ON HARD ACCELERATION. *TT Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #090801

      Date Announced:
      AUG 09, 2001
      NHTSA ID:
      #625380

      CUSTOMERS MAY COMPLAIN OF EXCESSIVE OIL CONSUMPTION AND HAVING TO ADD OIL BETWEEN CHANGES. *JG Read More »

    • TSB #00032

      Date Announced:
      MAY 01, 2000
      NHTSA ID:
      #613587

      SOME CUSTOMERS MAY EXPERIENCE ILLUMINATION OF THE SERVICE ENGINE SOON (SES) LIGHT AND CODE P0300 (GENERAL MISFIRE), WITH DRIVEABILITY COMPLAINTS OF ENGINE MISFIRE, ROUGH IDLE AND HESITATION. **MR Read More »

    ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

    • TSB #130089009

      Date Announced:
      SEP 01, 2013
      NHTSA ID:
      #10246631

      Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #PIP4723F

      Date Announced:
      JAN 14, 2022
      NHTSA ID:
      #10208027

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    • TSB #PIP4723C

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157018

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    • TSB #05-06-04-035D

      Date Announced:
      MAY 09, 2014
      NHTSA ID:
      #10137901

      This informational bulletin provides the technician with information on what E85 fuel may due to a non E85 vehicle. Read More »

    FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

    • TSB #3046A

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10009382

      FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL. *TT Read More »

    POWER TRAIN

    • TSB #PIP5346

      Date Announced:
      NOV 02, 2015
      NHTSA ID:
      #10115081

      This Preliminary Information communication provides information to the technician about cooler line fittings that come with the 4T65E General Motors remanufactured transmission may not be the same as Original equipment manufacturer quick ... Read More »

    • TSB #PIP5340

      Date Announced:
      OCT 21, 2015
      NHTSA ID:
      #10114916

      This Preliminary Information communication provides information to the technician about vehicle that after a transmission or torque converter replacement the vehicle may have a harsh 1-2 upshift and the Check Engine Light or Service ... Read More »

    • TSB #01599

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007237

      4L60E, 4L65E FORWARD AND LOW REVERSE WAVED STEEL CLUTCH PLATE APPEARANCE CHANGE. *TT Read More »

    • TSB #02086

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007782

      4L60E, 4L65E INTERMITTENT NEUTRAL FROM A STOP OR STEADY SPEED. *TT Read More »

    • TSB #010730002C

      Date Announced:
      AUG 01, 2003
      NHTSA ID:
      #10004354

      MALFUNCTION INDICATOR LAMP (MIL) IS ON; THE TRANSMISSION IS STUCK IN THIRD GEAR; AND / OR THE INSTRUMENT CLUSTER IS INOPERATIVE. *TT Read More »

    • TSB #020421005A

      Date Announced:
      FEB 01, 2003
      NHTSA ID:
      #10001110

      SLIPS IN 4-WHEEL DRIVE, NOISE, VIBRATION, LEAKS, HOT ODOR. *TT Read More »

    • TSB #990730016A

      Date Announced:
      OCT 01, 2002
      NHTSA ID:
      #10007838

      DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT Read More »

    • TSB #020421005

      Date Announced:
      JUN 01, 2002
      NHTSA ID:
      #634905

      SOME VEHICLES WILL NOT MOVE WHEN 4-WHEEL DRIVE IS REQUESTED, NOISE, SHUDDER, POOR PERFORMANCE, TRANSMISSION / TRANSFER CASE SLIPS, TRANSMISSION WILL NOT UPSHIFT, SLIPS IN 4-WHEEL DRIVE. *TT Read More »

    • TSB #3002

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10008802

      4L60E/4L65E INTERMITTENT NEUTRAL CONDITION WHILE ACCELERATING FROM A STOP OR WHILE DRIVING. *TT 1999-2006 GM CARS, LIGHT DUTY TRUCKS AND UTILITIES. *TT Read More »

    • TSB #00773

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10017190

      4L60E, 4L65E REPLACEMENT VALVE BODY GASKETS DOES NOT SEEM TO FIT. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #PIP3366C

      Date Announced:
      JUL 09, 2018
      NHTSA ID:
      #10143757

      This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic ... Read More »

    • TSB #PIP-3366-B

      Date Announced:
      NOV 01, 2011
      NHTSA ID:
      #10043185

      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 »

    • TSB #030730056

      Date Announced:
      NOV 01, 2003
      NHTSA ID:
      #10005566

      4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *TT Read More »

    • TSB #010730038

      Date Announced:
      DEC 01, 2001
      NHTSA ID:
      #628934

      SOME CUSTOMERS MAY COMMENT THAT THE SERVICE ENGINE SOON LAMP IS ILLUMINATED, NO 3RD AND 4TH GEAR, THE TRANSMISSION DOES NOT SHIFT CORRECTLY, THE TRANSMISSION FEELS LIKE IT SHIFTS TO NEUTRAL OR A LOSS OF DRIVE OCCURS. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT

    • TSB #020730024A

      Date Announced:
      AUG 01, 2005
      NHTSA ID:
      #634999

      DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

    • TSB #PIP5346

      Date Announced:
      NOV 02, 2015
      NHTSA ID:
      #10115081

      This Preliminary Information communication provides information to the technician about cooler line fittings that come with the 4T65E General Motors remanufactured transmission may not be the same as Original equipment manufacturer quick ... Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

    • TSB #PIP5340A

      Date Announced:
      FEB 17, 2016
      NHTSA ID:
      #10096073

      THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLE THAT AFTER A TRANSMISSION OR TORQUE CONVERTER REPLACEMENT THE VEHICLE MAY HAVE A HARSH 1-2 UPSHIFT AND THE CHECK ENGINE LIGHT OR SERVICE ... Read More »

    POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

    • TSB #PIP3366C

      Date Announced:
      JUL 09, 2018
      NHTSA ID:
      #10143757

      This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic ... Read More »

    POWER TRAIN:DRIVELINE

    • TSB #3300

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10013572

      4WD MODELS WITH NOISE, VIBRATION ON DRY PAVEMENT. *EH Read More »

    POWER TRAIN:AXLE ASSEMBLY

    • TSB #PIP3720D

      Date Announced:
      NOV 26, 2012
      NHTSA ID:
      #10112600

      This Preliminary Information communication provides information to the technician with the axel setup information from American Axle Manufacturing. Read More »

    ELECTRICAL SYSTEM

    • TSB #PIP4723D

      Date Announced:
      JAN 31, 2020
      NHTSA ID:
      #10171318

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    • TSB #01642

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007235

      IPC (INSTRUMENT PANEL CLUSTER) GAUGE FLUCTUATION AFTER KEY-OFF. *TT Read More »

    • TSB #02010

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007296

      IPC (INSTRUMENT PANEL CLUSTER) INTERIOR HEAD LAMPS FLICKER ON 99-04 CHEVROLET, GMC AND CADILLAC FULL SIZE TRUCKS AND UTILITIES AS WELL AS OTHER MODELS. *TT Read More »

    • TSB #01655

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007628

      REPEAT DIAGNOSTIC TROUBLE CODE (DTC) P0410 WITH WATER IN THE AIR PUMP. *MJ Read More »

    • TSB #3031A

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10009647

      DRIVER INFORMATION CENTER (DIC) STAYS IN BULB CHECK. *TT Read More »

    • TSB #3130

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10010053

      INSTRUMENT CLUSTER PRNDL INOPERATIVE AND OR BATTERY LIGHT ON. *SC Read More »

    • TSB #260702

      Date Announced:
      JUL 26, 2002
      NHTSA ID:
      #637325

      SOME VEHICLES MAY EXHIBIT A NO START CONDITION ADTER SITTING OVER 24 HOURS AND / OR REAR TAILGATE GLASS IS INOPERATIVE. *TT Read More »

    • TSB #3359

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10013530

      INTERIOR LIGHTS INOPERATIVE AFTER BCM REPLACEMENT B2618 DIAGNOSTIC TROUBLE CODE. *TT Read More »

    • TSB #3170B

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10017165

      INSTRUMENT PANEL CLUSTER INTERIOR AND/OR HEAD LAMPS FLICKER. *TT Read More »

    • TSB #3777

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10018585

      FUEL AND TEMPERATURE GAUGE INOPERATIVE, LOW FUEL AND BATTERY LIGHT ON, PRNDL INOPERATIVE. *TT Read More »

    ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK

    • TSB #250202

      Date Announced:
      FEB 25, 2002
      NHTSA ID:
      #629824

      INFORMATION ON REPLACING CORRODED TRAILER PRE-WIRE HARNESS AT THE REAR BUMPER. *TT Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #PIP4723C

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157018

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    • TSB #PIP4723B

      Date Announced:
      FEB 22, 2017
      NHTSA ID:
      #10113443

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    EXTERIOR LIGHTING

    • TSB #00502B

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007905

      DAYTIME RUNNING LAMPS (DRLS) TURN OFF TEMPORARILY WHILE THE TURN SIGNALS ARE ACTIVATED. *TT Read More »

    • TSB #280201

      Date Announced:
      FEB 28, 2001
      NHTSA ID:
      #619246

      SOME CUSTOMERS MAY COMMENT THAT THE HEADLIGHTS OR INTERIOR LIGHTS FLICKER WHILE DRIVING AT NIGHT. *TT Read More »

    EXTERIOR LIGHTING:HEADLIGHTS

    • TSB #00143

      Date Announced:
      OCT 24, 2000
      NHTSA ID:
      #616385

      SPECIAL POLICY ADJUSTMENT REGARDING THE DAYTIME RUNNING LAMPS ACTIVATION. *TT Read More »

    • TSB #00059

      Date Announced:
      OCT 23, 2000
      NHTSA ID:
      #617622

      SOME CUSTOMERS MAY HAVE PURCHASED CERTAIN VEHICLES EQUIPPED WITH THE ZR2 SUSPENSION PACKAGE THAT MAY HAVE HAD AN ERROR ON THE WINDOW STICKER. Read More »

    • TSB #00059

      Date Announced:
      OCT 01, 2000
      NHTSA ID:
      #616366

      SOME CUSTOMERS MAY HAVE PURCHASED VEHICLES EQUIPPED WITH THE ZR2 SUSPENSION PACKAGE THAT MAY HAVE HAD AN ERROR ON THE WINDOW STICKER. Read More »

    • TSB #00059

      Date Announced:
      OCT 01, 2000
      NHTSA ID:
      #6092569

      SUBJECT REGRDING SPECIAL POLICY ADJUSTMENT - DAYTIME RUNNING LAMPS ACTIVATION. *TT Read More »

    • TSB #3170C

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10010168

      INSTRUMENT PANEL CLUSTER (IPC) INTERIOR AND/OR HEAD LAMPS FLICKER. *TC Read More »

    STRUCTURE

    • TSB #300800

      Date Announced:
      AUG 30, 2000
      NHTSA ID:
      #619027

      SUBJECT REGARDING THE NEW RECLINCER ASSEMBLY. *TT Read More »

    STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

    • TSB #PI0281D

      Date Announced:
      JAN 01, 2014
      NHTSA ID:
      #10190933

      Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #PI0281D

      Date Announced:
      JAN 01, 2014
      NHTSA ID:
      #10190934

      Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #01136C

      Date Announced:
      NOV 18, 2003
      NHTSA ID:
      #10004206

      CLUNK NOISE FELT THROUGH FLOOR PAN. *TT Read More »

    STRUCTURE:BODY

    • TSB #57

      Date Announced:
      JUL 01, 2003
      NHTSA ID:
      #10016473

      WATER LEAK IN FRONT FLOOR CARPET AREA. GM TECH LINK. *TT Read More »

    • TSB #020857004

      Date Announced:
      JUN 01, 2002
      NHTSA ID:
      #634506

      SUBJECT REGARDING GENERAL WATERLEAK GUIDE. *TT Read More »

    • TSB #4114

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10020462

      CLUNK NOISE FELT THROUGH THE FLOOR PAN. *KB Read More »

    STRUCTURE:BODY:DOOR

    • TSB #020864007

      Date Announced:
      MAR 01, 2002
      NHTSA ID:
      #631292

      SOME CUSTOMERS MAY COMMENT THAT THE THIRD DOOR IS HARD TO OPEN AND/OR THE DOOR HANDLE MAY BE BROKEN FOR 1996-2002 CHEVROLET AND GMC S/T EXTENDED CAB PICKUP MODELS.. *SLC Read More »

    • TSB #250102

      Date Announced:
      JAN 25, 2002
      NHTSA ID:
      #629723

      CONCERNS WITH EXCESSIVE EFFORT OR BREAKING OF THE THIRD DOOR HANDLE ON EXTENDED CAB PICK UPS. *TT Read More »

    • TSB #251001

      Date Announced:
      OCT 25, 2001
      NHTSA ID:
      #628025

      SOME THREE DOOR PICK-UPS MAY HAVE A THIRD DOOR HANDLE THAT BREAKS OR IS HARD TO OPERATE. *TT Read More »

    STRUCTURE:BODY:TAILGATE

    • TSB #PIT3227S

      Date Announced:
      MAY 09, 2023
      NHTSA ID:
      #10237648

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    • TSB #PIT3227P

      Date Announced:
      DEC 17, 2018
      NHTSA ID:
      #10154601

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    • TSB #PIT3227M

      Date Announced:
      FEB 08, 2017
      NHTSA ID:
      #10113406

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    • TSB #PIT3227K

      Date Announced:
      APR 01, 2015
      NHTSA ID:
      #10114448

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    • TSB #PIT3227J

      Date Announced:
      JAN 28, 2014
      NHTSA ID:
      #10112034

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    • TSB #PIT3227H

      Date Announced:
      FEB 18, 2013
      NHTSA ID:
      #10112864

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    • TSB #3227

      Date Announced:
      OCT 04, 2006
      NHTSA ID:
      #10011755

      TAILGATE CABLE SLACK. THIS INCLUDES 1998-2006 CHEVROLET AND GMC FULL AND MID SIZE TRUCKS. *EH UPDATED. *KB Read More »

    STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS

    • TSB #PIT3227R

      Date Announced:
      APR 13, 2022
      NHTSA ID:
      #10211764

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    • TSB #PIT3227L

      Date Announced:
      OCT 20, 2015
      NHTSA ID:
      #10114913

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    • TSB #PIT3227J

      Date Announced:
      JAN 28, 2014
      NHTSA ID:
      #10112034

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    VEHICLE SPEED CONTROL

    • TSB #300800

      Date Announced:
      AUG 30, 2000
      NHTSA ID:
      #619017

      SOME OWNERS MAY COMMENT ON A HISSING OR AIR RUSH NOISE BEING PRODUCED IN THE THROTTLE BODY. *TT Read More »

    TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

    • TSB #PIP4723C

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157018

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    WHEELS

    • TSB #99-08-51-007F

      Date Announced:
      FEB 01, 2014
      NHTSA ID:
      #10190931

      Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »

    • TSB #99-08-51-007F

      Date Announced:
      FEB 01, 2014
      NHTSA ID:
      #10190932

      Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »

    INTERIOR LIGHTING

    • TSB #2010

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10009641

      INSTRUMENT PANEL CLUSTER (IPC) INTERIOR HEAD LAMPS FLICKER. *TT Read More »

    EQUIPMENT

    • TSB #PIT3227Q

      Date Announced:
      APR 01, 2021
      NHTSA ID:
      #10193430

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    • TSB #17NA073

      Date Announced:
      SEP 18, 2019
      NHTSA ID:
      #10166638

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #PIC4696D

      Date Announced:
      SEP 05, 2019
      NHTSA ID:
      #10165876

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #17NA073

      Date Announced:
      FEB 15, 2019
      NHTSA ID:
      #10154641

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #PIC4696C

      Date Announced:
      MAY 31, 2018
      NHTSA ID:
      #10141381

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #PIP4723C

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157018

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    • TSB #PIP5346

      Date Announced:
      NOV 02, 2015
      NHTSA ID:
      #10115081

      This Preliminary Information communication provides information to the technician about cooler line fittings that come with the 4T65E General Motors remanufactured transmission may not be the same as Original equipment manufacturer quick ... Read More »

    • TSB #99-08-51-007F

      Date Announced:
      FEB 01, 2014
      NHTSA ID:
      #10190931

      Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »

    • TSB #99-08-51-007F

      Date Announced:
      FEB 01, 2014
      NHTSA ID:
      #10190932

      Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »

    • TSB #PI0969

      Date Announced:
      MAY 03, 2013
      NHTSA ID:
      #10139019

      This preliminary informational bulletin provides information on High Oil Pressure on Startup After Engine Replacement Concern. Read More »

    • TSB #041002

      Date Announced:
      APR 10, 2002
      NHTSA ID:
      #636523

      INFORMATION ON OVER TORQUING OR A REVERSE BEDRAIL INSTALLATION. *TT Read More »

    EQUIPMENT:ELECTRICAL

    EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES

    • TSB #PIC4696E

      Date Announced:
      NOV 22, 2019
      NHTSA ID:
      #10168979

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #PIC4696B

      Date Announced:
      DEC 04, 2015
      NHTSA ID:
      #10114947

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #PIC4696A

      Date Announced:
      OCT 23, 2015
      NHTSA ID:
      #10114924

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #PIC4696E

      Date Announced:
      NOV 22, 2019
      NHTSA ID:
      #10168979

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #PIC4696C

      Date Announced:
      MAY 31, 2018
      NHTSA ID:
      #10141381

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #16NA260

      Date Announced:
      AUG 26, 2016
      NHTSA ID:
      #10082506

      THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO ... Read More »

    • TSB #PIC4696A

      Date Announced:
      OCT 23, 2015
      NHTSA ID:
      #10114924

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #17-NA-073

      Date Announced:
      FEB 21, 2023
      NHTSA ID:
      #10232287

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #17-NA-073

      Date Announced:
      MAR 15, 2017
      NHTSA ID:
      #10138060

      This warranty administration bulletin provides policy information with the field action courtesy transportation policy. Read More »

    • TSB #Recalls

      Date Announced:
      JUN 30, 2014
      NHTSA ID:
      #10248444

      Vehicle Recalls Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #PIC4696C

      Date Announced:
      MAY 31, 2018
      NHTSA ID:
      #10141381

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #99-08-51-007F

      Date Announced:
      FEB 01, 2014
      NHTSA ID:
      #10190931

      Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »

    • TSB #99-08-51-007F

      Date Announced:
      FEB 01, 2014
      NHTSA ID:
      #10190932

      Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »

    • TSB #PI0281D

      Date Announced:
      JAN 01, 2014
      NHTSA ID:
      #10190933

      Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #PI0281D

      Date Announced:
      JAN 01, 2014
      NHTSA ID:
      #10190934

      Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #3176A

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10010270

      HEAT COMING FROM VENTS WITH HVAC OFF. *TT Read More »

    UNKNOWN OR OTHER

    • TSB #060601

      Date Announced:
      JUN 06, 2001
      NHTSA ID:
      #623792

      INFORMATION REGARDING IMPROVED BUS SEAT DECLINER ASSEMBLIES, THE HANDLE ON THE RECLINER ASSEMBLY IS ATTACHED WITH A NUMBER 20 TORQUE WITH A SHANK LENGTH OF 20 MILLIMETERS. *SLC Read More »

    • TSB #010856001

      Date Announced:
      MAY 01, 2001
      NHTSA ID:
      #619740

      SOME CUSTOMERS MAY COMMENT THAT THE SECURITY LAMP ILLUMINATES WHILE DRIVING; THE SECURITY LAMP MAY BE ON OR OFF; THE SECURITY LAMP IS ILLUMINATED; THE ENGINE CRANKS BUT WILL NOT START AND THE SECURITY LAMP IS FLASHING; AND / OR THE ENGINE ... Read More »