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Service bulletins for the 2008 GMC Sierra

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1655 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
090730004J2023-12-11. Service bulletin. POWER TRAIN. Slips in Reverse or Third, Delayed Reverse or Drive Engagement, DTC P0776, P2715,P2723, Harsh 2-3 Shifts (Inspect 1-2-3-4 / 3-5-R Housing and Pump Seal Rings)
11273A2023-12-11. Service bulletin. VEHICLE SPEED CONTROL:THROTTLE:THROTTLE POSITION SENSOR (TPS). Special Coverage Adjustment ? Throttle Position Sensor Replacement
09184C2023-12-11. Service bulletin. ELECTRICAL SYSTEM. Material Over Sensing and Diagnostic Module Retaining Moisture
09184B2023-12-11. Service bulletin. ELECTRICAL SYSTEM. Material Over Sensing and Diagnostic Module Retaining Moisture
15NA082B2023-12-11. Service bulletin. SUSPENSION. Clunking Noise from Front of Vehicle During Turns and/or Bumps
15NA0822023-12-11. Service bulletin. SUSPENSION. Clunking Noise from Front of Vehicle During Turns and/or Bumps
14061300012023-12-11. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; AIR BAGS. High Voltage Safety ? High Voltage Disabling
1406040052023-12-11. Service bulletin. UNKNOWN OR OTHER; EQUIPMENT; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL. Duramax® Diesel Glow Plugs Difficult to Install Due to Carbon Buildup - New Glow Plug Bore Reamer Available
PIT5264B2023-12-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Canadian Customers Unable To Place Calls And Turn By Turn Inoperative In The United States.
PIT52642023-12-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Canadian Customers Unable To Place Calls In The United States
PIT52152023-12-04. Service bulletin. SEATS. GM Accessory Heated Seats Inoperative After Installation.
11273B2023-12-04. Service bulletin. BACK OVER PREVENTION. Special Coverage Adjustment ? Throttle Position Sensor Replacement
1308116001A2023-12-04. Service bulletin. EQUIPMENT:ELECTRICAL. Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues
120601007A2023-12-04. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM; ENGINE; UNKNOWN OR OTHER. New Service Cam Bearings For Gen IV V8 Engines
120421001B2023-12-04. Service bulletin. STRUCTURE; UNKNOWN OR OTHER. Transfer Case Identification First Design vs. Second Design
1203100032023-12-04. Service bulletin. WHEELS:LUGS/NUTS/BOLTS/STUDS; SUSPENSION; TIRES; WHEELS; UNKNOWN OR OTHER. Diagnostic Tips for Difficult to Resolve Tire/Wheel Vibration Concerns
120310002A2023-12-04. Service bulletin. WHEELS; TIRES; UNKNOWN OR OTHER; WHEELS:LUGS/NUTS/BOLTS/STUDS. Proper Wheel Installation and Wheel Torque Techniques
1203100022023-12-04. Service bulletin. WHEELS:LUGS/NUTS/BOLTS/STUDS; UNKNOWN OR OTHER; TIRES; WHEELS. Proper Wheel Installation and Wheel Torque Techniques
120232001A2023-12-04. Service bulletin. FUEL SYSTEM, GASOLINE; STEERING; POWER TRAIN; STEERING:HYDRAULIC POWER ASSIST SYSTEM; POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS. Hydraulic Power Steering Leak at Hose Connection to Steering Rack
110604007C2023-12-04. Service bulletin. EXTERIOR LIGHTING; POWER TRAIN. Diagnosis and Repair - Malfunction Indicator Lamp (MIL) Illuminated, Reduced Engine Power Message Displayed, DTC P2135 Set
110139005A2023-12-04. Service bulletin. STRUCTURE. Reduced Heater Performance with Winter Grille Cover Installed
03-00-91-001I2023-11-22. Service bulletin. WHEELS; POWER TRAIN; STEERING; SUSPENSION; ENGINE AND ENGINE COOLING. This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
PIT5049A2023-11-20. Service bulletin. SUSPENSION. Rattle Squeak Clunk Bump Noise From Front Suspension.
PIT5039C2023-11-20. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS. Removing / Disabling Rear Park Assist RPO UD7.
PIT4844E2023-11-20. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. Adding Cruise Control (RPO K34)

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.