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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.

By type

By component

By trouble code

By topic

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

Bulletins, newest first
100089005G2019-05-13. Service bulletin. ELECTRICAL SYSTEM:WIRING. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
030603004V2019-05-13. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
100845001F2019-04-22. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish".
090089002Q2019-04-22. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
070849020P2019-04-22. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
PIT5236K2019-04-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will use Global Diagnostic System 2 to review the Firmware Over-the-Air version. If the Firmware Over-the-Air version on the scan tool equals 6708 the technician will need to contact General Motors Technical Assistance Center for further assistance. If the Firmware Over-the-Air version on the scan tool is lower than 6708 Dealer can order the part thought the Instrument Sales and Service website process.
PIT5074K2019-04-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
PIP4723C2019-04-08. Service bulletin. EQUIPMENT; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
PIT4585F2019-04-08. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication provides information to the technician that the Serial Data Gateway Module (SDGM) may report "Crash Sense Failed" and the 300v Hybrid Battery Contactors will remain open until the Hybrid Powertrain Control Module's (HPCM) High Voltage (HV) DTCs are reset. And How to Reset.
110849001Y2019-03-25. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message On and Off.
070845001H2019-03-25. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; SERVICE BRAKES. This informational bulletin provides information for aftermarket trailer brake controller added to their vehicle, OR in lieu of the factory integrated trailer brake controller (ITBC) (RPO JL1).
060847001N2019-03-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
100089005H2019-03-18. Service bulletin. ELECTRICAL SYSTEM:WIRING. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
PIT4614C2019-03-18. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides steps the technician will take to repair a no crank/no start concern with a diagnostic trouble code of B009F in the Serial Data Gateway Module equipped with Regular Production Option code HP2. The vehicle may exhibit a no crank or no start, or a Service Hybrid message with no codes. The technician will inspect the High Voltage Circuit Impact Detection sensor for water intrusion or corrosion at the weather pack. Inspect the High Voltage Circuit Impact Detection sensor for cracks or terminal corrosion and replace the sensor or terminals along with the weather pack seals if damage is found. If there is no damage found the technician will leave the sensor unplugged and power up the vehicle to induce a code, then power down the vehicle with the Tech 2 unplugged from the vehicle for two minutes. Clear the code and recheck for the message and codes, if the code resets the technician will replace the High Voltage Circuit Impact Detection sensor and terminals with terminated leads. Technician is to repeat the above steps to verify the concern is corrected.
PIT5082B2018-12-17. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary Information communication provides information to the technician about vehicle HVAC system does not always respond to requests for changes in air delivery or temperature from the HVAC controls. The technician may find that the HVAC control module will communicate with the scan tool but the HVAC door data actual counts will read 0 counts. The dealer is directed to ensure there is 12V on circuit 300 at HVAC control module before replacing module.
07-08-42-006J2018-12-10. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information for an available BCM calibrations that would restore bulb outages when using a second stage manufacturer
07-08-42-006J2018-06-25. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. This informational bulletin provides information for an available BCM calibrations that would restore bulb outages when using a second stage manufacturer
PIT5399A2018-06-18. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.
PI0938A2018-06-11. Service bulletin. ELECTRICAL SYSTEM; ELECTRONIC STABILITY CONTROL (ESC). This preliminary bulletin provides information on what labor operation number to use for various electrical/electronic control issues.
10-08-45-001E2018-06-04. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin updates information on electrical ground repairs using new replacement fasteners with conductive finish.
06-08-47-001K2018-06-04. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information on control module diagnostics and configuration, programming using the TIS Service Programming System (SPS), set-up and warranty.
07-06-03-009D2018-06-04. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin adds models to information on voltmeter gauge fluctuation due to regulated voltage control system and concerns about camper/trailer battery charging.
03-06-03-003D2018-06-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on ACDelco® replacement battery warranty procedures.
07-06-03-009C2018-06-04. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin adds 2011 - 2014 model years to information on voltmeter gauge fluctuation due to regulated voltage control system and concerns about camper/trailer battery charging.
150603001D2018-06-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.

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