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Service bulletins for the 2012 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.

2268 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
PIT52082023-12-26. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE. Fuel Gauge Shows Empty After Refueling And DTC P2636.
PIT52012023-12-26. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR. Driver or Passenger Door Module DTC B2555.
PIT5195B2023-12-26. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER. Speedometer Needle Accuracy Information.
PIT51952023-12-26. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER. Speedometer Needle Accuracy Information
PIT51852023-12-26. Service bulletin. ELECTRICAL SYSTEM:IGNITION. Computer-Controlled Cranking System (Bump Start) Inoperative.
PIT51772023-12-26. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Inaccurate Or Slow Response Of Outside Air Temperature Display.
PIT51702023-12-26. Service bulletin. SEATS; ELECTRICAL SYSTEM. Power Seat Moves In Short Bursts and/or Heated Seats
PIT5074H2023-12-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
PIT4853D2023-12-26. Service bulletin. ELECTRICAL SYSTEM. Hybrid No Crank or Loss of High Speed Communications.
PIT4821D2023-12-26. Service bulletin. ELECTRICAL SYSTEM. High Voltage 2-Mode Battery Parts Restriction-TAC
PIT4821C2023-12-26. Service bulletin. ELECTRICAL SYSTEM. High Voltage 2-Mode Battery Parts Restriction-TAC.
PIT4816E2023-12-26. Service bulletin. ELECTRICAL SYSTEM. Diagnosing / Troubleshooting Multiple Electrical Concerns / Intermittent No Crank
PIT4813F2023-12-26. Service bulletin. ELECTRICAL SYSTEM. Service Charging System Message Or Low Volt Gauge Reading After Cold Start.
PIT4813E2023-12-26. Service bulletin. ELECTRICAL SYSTEM. Service Charging System Message Or Low Volt Gauge Reading After Cold Start
PIT4560H2023-12-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Normal Characteristic - RKE Inoperative/Unable To Program Fobs.
PIT4560G2023-12-26. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Normal Characteristic - RKE Inoperative / Unable To Program Fobs.
PIT4551E2023-12-26. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:ALARM. Back Up Alarm Inoperative And Needs To Be Connected During PDI.
PIT4508C2023-12-26. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; UNKNOWN OR OTHER; VEHICLE SPEED CONTROL:CRUISE CONTROL. Cruise Control Inoperative.
14105B2023-12-18. Service bulletin. SEAT BELTS:FRONT:RETRACTOR; UNKNOWN OR OTHER; AIR BAGS:FRONTAL; TIRES; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Passenger Side Instrument Panel Performance
14105A2023-12-18. Service bulletin. TIRES; SEAT BELTS:FRONT:RETRACTOR; AIR BAGS:FRONTAL; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; UNKNOWN OR OTHER. Passenger Side Instrument Panel Performance
141052023-12-18. Service bulletin. AIR BAGS:FRONTAL; TIRES; SEAT BELTS:FRONT:RETRACTOR; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; UNKNOWN OR OTHER. Passenger Side Instrument Panel Performance
145152023-12-18. Service bulletin. ELECTRICAL SYSTEM. Chassis Electronic Control Module Internal Contamination
20-NA-1322023-12-15. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
PIT52092023-12-11. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. Unwanted Alarm Sounding (GM Accessory Inclination Sensor Mounting)
PIT52082023-12-11. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE. Fuel Gauge Shows Empty After Refueling And DTC P2636.

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