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Service bulletins for the 2012 Chevrolet Tahoe

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.

1746 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
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
PIT4657F2023-12-26. Service bulletin. ELECTRICAL SYSTEM. Procedures For Failed TIS SPS Sequential Programming
PIT4508C2023-12-26. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; UNKNOWN OR OTHER; VEHICLE SPEED CONTROL:CRUISE CONTROL. Cruise Control Inoperative.
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)
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
PIT51702023-12-11. Service bulletin. SEATS:FRONT ASSEMBLY:POWER ADJUST; ELECTRICAL SYSTEM. Power Seat Moves In Short Bursts and/or Heated Seats
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.
PIC5687C2023-12-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Checking Smartphone Bluetooth Software Update Status
1300890082023-12-11. Service bulletin. ELECTRICAL SYSTEM:WIRING. GM Wiring Repair Strategy Information
1300890032023-12-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Vehicle Software Enhancements
PIT52692023-12-04. Service bulletin. ELECTRICAL SYSTEM. CD Track Changes Unwanted When Rear Seat Audio Control Is Used To Change XM Station.

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