Technical Service Bulletins (TSBs) for the 2015 Denali 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:SHOCK ABSORBER

    • TSB #150089004B

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190337

      Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Read More »

    SUSPENSION:FRONT:MACPHERSON STRUT

    • TSB #150089004B

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190337

      Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Read More »

    SUSPENSION:REAR:SHOCK ABSORBER

    • TSB #150089004B

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190337

      Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Read More »

    ENGINE (PWS)

    • TSB #06-00-89-031D

      Date Announced:
      DEC 01, 2015
      NHTSA ID:
      #10190503

      OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #06-00-89-031D

      Date Announced:
      DEC 01, 2015
      NHTSA ID:
      #10190503

      OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:GEARS

    • TSB #16-NA-175

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190229

      SHAKE AND/OR SHUDDER DURING LIGHT THROTTLE ACCELERATION BETWEEN 40 AND 128 KM/H (25 AND 80 MPH) AT A STEADY STATE. Read More »

    ELECTRICAL SYSTEM

    • TSB #15086A

      Date Announced:
      JUN 22, 2017
      NHTSA ID:
      #10158895

      15086A - Customer Satisfaction Program. On certain passenger cars and light duty trucks, equipped with Gen 10 OnStar?, the embedded phone flash memory chip may become corrupted, causing the OnStar? system to become inoperative. Read More »

    ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT

    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 »

    TIRES

    • TSB #PIT3271K

      Date Announced:
      NOV 11, 2020
      NHTSA ID:
      #10184105

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    WHEELS

    • TSB #PIT3271K

      Date Announced:
      NOV 11, 2020
      NHTSA ID:
      #10184105

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. 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 »

    EQUIPMENT

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    • TSB #16-NA-175

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190229

      SHAKE AND/OR SHUDDER DURING LIGHT THROTTLE ACCELERATION BETWEEN 40 AND 128 KM/H (25 AND 80 MPH) AT A STEADY STATE. Read More »

    • TSB #150089005A

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190338

      Essential Tools that Include Consumable Parts (U.S. Only) Read More »

    • TSB #15086A

      Date Announced:
      JUN 22, 2017
      NHTSA ID:
      #10158895

      15086A - Customer Satisfaction Program. On certain passenger cars and light duty trucks, equipped with Gen 10 OnStar?, the embedded phone flash memory chip may become corrupted, causing the OnStar? system to become inoperative. Read More »

    • TSB #GCUS-3-814

      Date Announced:
      JAN 18, 2017
      NHTSA ID:
      #10130553

      44180 01 - Customer Satisfaction - Certain vehicles may have key codes which were inappropriately handled by a third party which could increase the risk of vehicle theft. 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 »

    EQUIPMENT:ELECTRICAL

    • TSB #GCUS-3-848

      Date Announced:
      FEB 20, 2017
      NHTSA ID:
      #10113383

      44180 02 - Customer Satisfaction. Certain vehicles may have key codes which were inappropriately handled by a third party which could increase the risk of vehicle theft. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #090089002R

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10175854

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »

    • TSB #070849020M

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190320

      IPC Odometer Programming Method Quick Reference Guide Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #090089002R

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10175854

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    • TSB #16-NA-175

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190229

      SHAKE AND/OR SHUDDER DURING LIGHT THROTTLE ACCELERATION BETWEEN 40 AND 128 KM/H (25 AND 80 MPH) AT A STEADY STATE. Read More »

    • TSB #150089005A

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190338

      Essential Tools that Include Consumable Parts (U.S. Only) Read More »

    • TSB #15086A

      Date Announced:
      JUN 22, 2017
      NHTSA ID:
      #10158895

      15086A - Customer Satisfaction Program. On certain passenger cars and light duty trucks, equipped with Gen 10 OnStar?, the embedded phone flash memory chip may become corrupted, causing the OnStar? system to become inoperative. 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 »