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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: Engine are shown. Show all

Bulletins, newest first
00-06-01-012E2018-06-11. Service bulletin. ENGINE; EQUIPMENT. This information bulletin provides the technician the information on how to properly clean a metal surface using the correct tool.
14-06-04-0052018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. This information bulletin advises of a new tool used to aid in installing Duramax glow plugs.
17-NA-2532018-06-11. Service bulletin. ENGINE. This informational bulletin provides information for specification with the engine oil for the Duramax 6.6L engine.
PI12752018-06-11. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. This preliminary information bulletin provides a procedure to install an air temperature sensor package kit, to correct the customer concern for reduced engine power and /or MIL illuminated.
16-NA-3802018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This Technical bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
00-06-01-026J2018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information on Intake Manifold Inspection/Replacement After Severe Internal Engine Damage.
PI13942018-06-04. Service bulletin. ENGINE AND ENGINE COOLING. This preliminary informational bulletin provides technicians an engine repair tip for installation of pistons.
09-06-04-026J2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin supplies infomation for identifying non-GM (Aftermarket) engine calibrations for gasoline engines using Tech 2® or GDS 2 (U.S. and Canada).
PIP5276B2018-06-04. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on during a cold start in temperatures below 0 degrees Fahrenheit. Technician will find Diagnostic Trouble Code P0521. Technician will check the oil filter part number. If the part number is PF48E change the oil filter to a PF48. If a PF48 is not available then install a new UPF48R.
PIP5276A2018-06-04. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on during a cold start in temperatures below 0 degrees Fahrenheit. Technician will find Diagnostic Trouble Code P0521. Technician will check the oil filter part number. If the part number is PF48E change the oil filter to a PF48. If a PF48 is not available then install a new PF48E.
PIP52762018-06-04. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on during a cold start in temperatures below 0 degrees Fahrenheit. Technician will find Diagnostic Trouble Code P0521. Technician will check the oil filter part number. If the part number is PF48E change the oil filter to a PF48.
PIP5007E2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This Preliminary Information communication advises the technician that vehicles with engine Regular Production Option Code LGH or LML may have an Exhaust Fluid Quality Poor message displayed on the Driver Information Center. Technician will need to complete the current Service Information diagnostic for any current Diagnostic Trouble Codes or symptoms found. If an Exhaust Fluid Quality Poor message is displayed with a specific Diagnostic Trouble Code, use that specific Service Information diagnostic, and repair the vehicle as necessary. If the dealer has found an Exhaust Fluid Quality Poor message with no Diagnostic Trouble Code, diagnose the condition using the current Service Information diagnosis for Diagnostic Trouble Code P20EE / P207F (P2BAD for 2012 and newer model years). After making repairs use the Service Information Document titled "Reductant Fluid Quality Test (With or without Diagnostic Trouble Codess)" to evaluate and clear the Exhaust Fluid Quality Poor Driver Information Center message.
PI0653E2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.
060601010D2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system.
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.
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.
040730013D2018-06-04. Service bulletin. POWER TRAIN; ENGINE; EQUIPMENT. This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use.
010601011J2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
08-06-01-006D2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This informational bulletin provides information for Engine Squealing Type Noise on Start-up or Vibration Condition.
11-00-90-001B2018-06-04. Service bulletin. EQUIPMENT; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. This informational bulletin provides a revision 11-00-90-001A to add the 2014 model year. Also, a bullet was added to the dexos 2? section with information on the 2014 Cruze diesel.
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.
08-06-04-003C2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). This informational bulletin advises of a new testing tool for EGR cooling pressure tester.
10-06-04-013B2018-05-29. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL. This informational bulletin provides additional information on DEF filling, frozen tank and general information.
12-06-04-002C2018-05-29. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. This informational bulletin provides general information and helpful guidelines to use when diagnosing and repairing diesel exhaust fluid related DIC warnings and messages.
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.

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