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Service bulletins for the 2008 Chevrolet Avalanche

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.

1277 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIT5195B2023-12-11. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER. Speedometer Needle Accuracy Information.
PIT51952023-12-11. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER. Speedometer Needle Accuracy Information
PIT51852023-12-11. Service bulletin. ENGINE AND ENGINE COOLING. Computer-Controlled Cranking System (Bump Start) Inoperative.
PIT51842023-12-11. Service bulletin. STEERING; VEHICLE SPEED CONTROL:CRUISE CONTROL. Various Concerns Related To The IP Backlighting Cruise Control Steering Wheel Controls Horn.
PIT51822023-12-11. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Button Backlighting Inoperative.
PIT5180A2023-12-11. Service bulletin. STRUCTURE. Whistle Noise From Drivers Side A Pillar Area.
PIT51802023-12-11. Service bulletin. STRUCTURE. Whistle Noise From Drivers Side A Pillar Area
PIT5120A2023-12-11. Service bulletin. SUSPENSION; SUSPENSION: ADJUSTMENT:AUTOMATIC ELECTRICAL/HYDRAULIC. Stabilitrak/Traction Control OFF With Red Brake Warning Lamp
PIT5099A2023-12-11. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Blows Warm Or Poor Performance.
PIT5074H2023-12-11. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
PIT5074G2023-12-11. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Terminal Test Probe And Replacement Terminal.
PIT5066A2023-12-11. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM. Intermittent Battery Draw Dead Battery Or HVAC Odor.
PIC5614A2023-12-11. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Changing Turn-By-Turn Voice Response To Metric Or English Units
PIC5588A2023-12-11. Service bulletin. EQUIPMENT:ELECTRICAL. Programming And Activation Of Replacement OnStar Modules.
130232001D2023-12-11. Service bulletin. STEERING. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions
130232001B2023-12-11. Service bulletin. STEERING. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions
130232001A2023-12-11. Service bulletin. STEERING. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions
11273A2023-12-11. Service bulletin. VEHICLE SPEED CONTROL:THROTTLE:THROTTLE POSITION SENSOR (TPS). Special Coverage Adjustment ? Throttle Position Sensor Replacement
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
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

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