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Service bulletins for the 2012 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.

1612 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIT52092023-12-11. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. Unwanted Alarm Sounding (GM Accessory Inclination Sensor Mounting)
PIT5206B2023-12-11. Service bulletin. POWER TRAIN. Unwanted Grade Braking - Low Power - And/Or Transmission Busy Shifting.
PIT52062023-12-11. Service bulletin. POWER TRAIN. Unwanted Grade Braking, Low Power, and/or Transmission Busy Shifting.
PIT52012023-12-11. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR. Driver or Passenger Door Module DTC B2555.
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.
PIT51812023-12-11. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). SES MIL With P057C And/Or P057D Service Stability Message.
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
PIT51772023-12-11. Service bulletin. EQUIPMENT:ELECTRICAL. Inaccurate Or Slow Response Of Outside Air Temperature Display.
PIT51702023-12-11. Service bulletin. SEATS:FRONT ASSEMBLY:POWER ADJUST; ELECTRICAL SYSTEM. Power Seat Moves In Short Bursts and/or Heated Seats
PIT5166C2023-12-11. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. High Pitch Sound From Radio Display
PIT5122D2023-12-11. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL; SERVICE BRAKES. Stability Message Low Power Brake Light And Cruise Control Operation.
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.
PIC5687D2023-12-11. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. Checking Smartphone Bluetooth Software Update Status
PIC5687C2023-12-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Checking Smartphone Bluetooth Software Update Status
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

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