Technical Service Bulletins (TSBs) for the 1999 Sierra 2500 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.

    SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY

    • TSB #060309004N

      Date Announced:
      OCT 31, 2019
      NHTSA ID:
      #10168206

      This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact. Read More »

    BRAKES (PWS)

    • TSB #PIT3665H

      Date Announced:
      JUN 24, 2019
      NHTSA ID:
      #10162149

      This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #DORM9T7N09

      Date Announced:
      JUL 03, 2019
      NHTSA ID:
      #10165331

      This SKU is a Preformed Fuel Line. The customer communication requested return of unsold inventory to inspect for damage to the braided hose and crimps. Damaged braided hoses and poor crimps can lead to immediate leaking. Read More »

    FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

    • TSB #270801

      Date Announced:
      AUG 27, 2001
      NHTSA ID:
      #625259

      INFORMATION REGARDING COLLAPSED FUEL TANK INCLUDING GMT 400 SIERRA AND CHEVROLET PICK-UP. *YH Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #010417001B

      Date Announced:
      MAR 01, 2002
      NHTSA ID:
      #629551

      SUBJECT REGARDING LAUNCH SHUDDER ON ACCELERATION (INSTALL NEW ONE-PIECE PROPELLER SHAFT) *JG Read More »

    • TSB #010730021

      Date Announced:
      MAY 01, 2001
      NHTSA ID:
      #619742

      THIS TECHNICAL SERVICE BULLETIN STATES THAT TECHNICIANS MAY EXPERIENCE DIFFICULTY IN REMOVING THE CONNECTORS FROM THE PARK / NEUTRAL POSITION SWITCH, USUALLY WHEN TRYING TO REMOVE THE SWITCH DURING TRANSMISSION SERVICE. Read More »

    • TSB #010730020

      Date Announced:
      APR 01, 2001
      NHTSA ID:
      #619715

      SUBJECT ORDERING REFERENCE TABLE FOR ORDERING THE NEW VALVE BODY, SPACER PLATE AND GASKET KIT. *TT Read More »

    POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

    • TSB #010417001A

      Date Announced:
      JUN 01, 2001
      NHTSA ID:
      #623047

      SOME CUSTOMERS MAY COMMENT ON A VIBRATION DURING ACCELERATION FROM 0 - 40 KM/H (0 - 25 MPH). *TT 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 »

    • TSB #010417001

      Date Announced:
      FEB 01, 2001
      NHTSA ID:
      #619173

      SOME EXTENDED AND CREW CAB LONG BOX PICKUP MODELS INCLUDING 1999 AND 2001 CHEVROLET K2500 MODELS WITH AUTOMATIC TRANSMISSION MAY EXHIBIT A VIBRATION (LAUNCH SHUDDER) DURING ACCELERATION FROM 0-40 KM/H (0-25). Read More »

    ELECTRICAL SYSTEM:12V/24V/48V BATTERY

    • TSB #CSP-10414

      Date Announced:
      JAN 01, 2012
      NHTSA ID:
      #10043504

      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 »

    VISIBILITY:WINDSHIELD

    • TSB #PIT3237F

      Date Announced:
      OCT 12, 2012
      NHTSA ID:
      #10112468

      This Preliminary Information communication provides information to the technician about the percentage of Ultraviolet protection or tint offered by the windshield or side glass. Read More »

    VISIBILITY:GLASS, SIDE/REAR

    • TSB #PIT3237F

      Date Announced:
      OCT 12, 2012
      NHTSA ID:
      #10112468

      This Preliminary Information communication provides information to the technician about the percentage of Ultraviolet protection or tint offered by the windshield or side glass. 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 »

    STRUCTURE:BODY:TAILGATE

    • 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 »

    WHEELS

    • 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 #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 »

    EQUIPMENT

    • TSB #DOR-K2S2K-10

      Date Announced:
      JUL 26, 2019
      NHTSA ID:
      #10166445

      This SKU is a Pitman Arm. The customer communication requested return of unsold inventory to inspect for the spline size. Read More »

    • TSB #DORM9T7N09

      Date Announced:
      JUL 03, 2019
      NHTSA ID:
      #10165331

      This SKU is a Preformed Fuel Line. The customer communication requested return of unsold inventory to inspect for damage to the braided hose and crimps. Damaged braided hoses and poor crimps can lead to immediate leaking. Read More »

    • TSB #DORU5R2J09

      Date Announced:
      JUN 14, 2019
      NHTSA ID:
      #10165332

      This SKU is an Air Door Actuator. The customer communication requested return of unsold inventory to inspect for incorrect UPC. Incorrect UPC could lead to a discrepency of inventory at the store. 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 #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 »

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

    • 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 »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • 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 »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #DORU5R2J09

      Date Announced:
      JUN 14, 2019
      NHTSA ID:
      #10165332

      This SKU is an Air Door Actuator. The customer communication requested return of unsold inventory to inspect for incorrect UPC. Incorrect UPC could lead to a discrepency of inventory at the store. 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 #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 #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 »

    UNKNOWN OR OTHER

    • TSB #010730002B

      Date Announced:
      MAY 01, 2001
      NHTSA ID:
      #619741

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