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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
060089026N2018-06-04. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE:BODY:DOOR; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); VISIBILITY:WINDSHIELD; ELECTRONIC STABILITY CONTROL (ESC). This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
15-06-03-0012018-06-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE. This informational bulletin provides information that may be useful in diagnosing/testing batteries that have set for a long period of time and/or set in cold weather climates to correct a customer concern of symptoms that include, but not limited to, a slow or no crank condition that may be caused by a discharged battery.
150603001C2018-06-04. Service bulletin. ELECTRICAL SYSTEM. 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.
070604019F2018-06-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.
PI0086E2018-06-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This preliminary informational bulletin provides information onUnexpected Loss of Radio Audio (Radio Goes Silent/No Sound) and Other Blackberry® Phone - Bluetooth® Issues Concern.
13-00-89-004B2018-06-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This informational bulletin provides a revision for 13-00-89-004A to include updated information.
06-00-89-026K2018-06-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This informational bulletin provides a revision for 06-00-89-026J to add the 2014 model year and update the labor operations.
10-00-89-005C2018-06-04. Service bulletin. ELECTRICAL SYSTEM:WIRING; EQUIPMENT. This informational bulletin is a revision for 10-00-89-005B to add the 2014 model year and labor codes.
07-00-89-037F2018-06-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin is a revision for 07-00-89-037E to add the 2014 model year and to update the labor operation under Courtesy Transportation Warranty Transaction Submission.
09-00-89-016C2018-06-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin is a revision for 09-00-89-016B to add the 2014 model year and update the labor operation.
PI0718B2018-06-04. Service bulletin. EQUIPMENT; SEATS; ELECTRICAL SYSTEM. This preliminary informational bulletin provides a revision of PI0718A to add model years and update the Warranty Information.
06-06-01-007H2018-05-29. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This informational bulletin provides additional information on identifying duramax aftermarket power up devices that may cause damage to the engine and not covered under warranty.
03-06-03-004M2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty bulletin explains how to use the EL-50313 Midtronic GR8 Battery tester to test a battery and determin if it is warranty or not.
PI1085A2018-05-29. Service bulletin. ELECTRICAL SYSTEM; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. This preliminary bulletin provides a procedure to test and replace the remote transmitter to correct the customers concern of poor range, TPM indicator on.
PI1051A2018-05-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. This preliminary bulletin provides a procedure to reprogram the TCM to correct the customers concern of a bump feel when shifting from drive to reverse.
PI0360C2018-05-29. Service bulletin. ELECTRICAL SYSTEM. This preliminary informational bulletin provides service information to the dealer technicians that the remote start will not work with the ONSTAR REMOTE Link applcation
PI0938A2018-05-29. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This preliminary bulletin provides information on what labor operation number to use for various electrical/electronic control issues.
08-08-46-004A2018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This informational bulletin provides information regarding the aftermarket device interference with onstar diagnostic service.
08-08-44-015C2018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This informational bulletin provides information regarding the inappropriate warranty claims submitted for damaged radios and instrument panel clusters, provides exampls on whats an acceptable for warranty and whats not
07-08-42-006H2018-05-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin provides information on Available BCM Calibrations to Restore Bulb Outage Detection on Vehicles Produced by a Second Stage Manufacturer (Upfitter), Turn Signals Flash Fast after Factory Box Removed
10-00-89-017W2018-05-21. Service bulletin. EQUIPMENT; STRUCTURE; ELECTRICAL SYSTEM. This informational bulletin provides a list of newly released PI and Bulletins in regards to recent released vehicles so that vehicles can be fixed right the first time in for service.
09-00-89-002L2018-05-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE. This informational bulletin provides information to dealership personnel on properly maintaining vehicles in dealer inventory.
08-06-04-006M2018-05-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. This informational bulletin provides technicians with Information for Identifying non-GM ECM calibration use and Power-Up hardware detection in Duramax? diesel engines ? Photograph Tech 2® Calibration IDs, Calibration Verification Numbers (CVNs) and Transmission Data Screen.
99-01-39-004G2018-05-21. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM. This technical bulletin provides repair information for the correction of a customer concern of short duration musty odors emitted from the HVAC system at vehicle start-up in hot, humid conditions.
03-06-03-003E2018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provides policy information on ACDelco® replacement battery warranty procedures.

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