2012 GMC Sierra 3500 Technical Service Bulletins

773 technical service bulletins (TSBs) are on record for the 2012 GMC Sierra 3500. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10078506Apr 18, 2016Electrical system. This informational bulletin provides warranty information on using the service programming system (sps) for programming control modules
• 10078504Apr 18, 2016Engine. This informational bulletin provides information internal engine noise or damage after oil filter replacement
• 10078502Apr 15, 2016Equipment. This warranty administration bulletin provides information on gm’s policy on performing gm covered vehicle services and maintenance on vehicles originating/sold in canada.
• 10078481Apr 12, 2016Equipment. This informational bulletin provides information on the purpose of magnetic drain plugs.
• 10078472Apr 12, 2016Visibility (wipers, defrost, mirrors). This informational bulletin provides information on a normal condition on tempered glass of spots showing on the rear and side windows when the vehicle is in the sunlight.
• 10083900Apr 8, 2016Equipment, Electrical system. This preliminary information communication advises the technician, if unable to place an onstar call in the ignition on mode after the onstar canada upgrade to contact the gm technical assistance center onstar group for further assistance.
• 10078435Apr 7, 2016Equipment, Body and structure. This preliminary informational bulletin provides information that may be helpful when addressing underbody component corrosion with customers.
• 10083512Apr 5, 2016Visibility (wipers, defrost, mirrors), Equipment. This preliminary information communication advises the technician the steps on diagnosing the concern. Vehicle's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10078604Apr 5, 2016Electrical system, Body and structure, Visibility (wipers, defrost, mirrors). This preliminary information communication advises the technician the steps on diagnosing the concern. Vehicle's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10248430Apr 1, 2016Electrical system. Emergency Vehicle Reduced Power
• 10078434Apr 1, 2016Transmission and drivetrain. This informational bulletin provide information on the operating characteristics of a manual transmission.
• 10078430Apr 1, 2016Steering. "this technical bulletin provides a procedure to inspect the steering gear for a normal condition of grease or sealant on exterior case of gear due to the manufacturing process."
• 10116914Feb 23, 2016Tires, Wheels. This informational bulletin provides information on the proper mounting paste to apply to tires when mounting and balancing them to prevent conditions like Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel)
• 10116912Feb 22, 2016Equipment. This informational bulletin provides Information Regarding Servicing Components Located Near SIR Components and how to properly disable the SIR system for repairs at or near
• 10096141Feb 18, 2016Equipment. This preliminary information communication provides information to the technician about vehicles that may have an outside air temperature inoperative. To perform an instant update of the ambient temperature sensor, press and hold the recirc button and air conditioning button on the heater-vent-air conditioning control head simultaneously. It is also possible to perform this by using a scan tool in special function…
• 10112302Jan 28, 2016Seats, Air bags. This informational bulletin provides Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices
• 10246963Jan 13, 2016Equipment. Changing Turn-By-Turn Voice Response To Metric Or English Units
• 10245319Jan 13, 2016Electrical system. Hybrid No Crank or Loss of High Speed Communications.
• 10246639Jan 1, 2016Steering. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions
• 10201115Dec 1, 2015Equipment, Other or unknown. OnStar Voice Fallback Number Update
• 10201103Dec 1, 2015Equipment, Engine. Clean Exhaust Filter see owners manual now or cleaning exhaust filter keep driving until message is cleared displayed on DIC, DTC P2463 May be set
• 10201102Dec 1, 2015Fuel system, Engine cooling, Engine. Information on Diesel Exhaust Fluid (DEF) Filing Instructions, Frozen Tank Status and General Information
• 10201101Dec 1, 2015Equipment. Information on Mounting Points for Pickup Box Accessories
• 10201100Dec 1, 2015Engine, Engine cooling. New Tool Availability - EN-48974-EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber
• 10201098Dec 1, 2015Transmission and drivetrain, Engine. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
• 10190504Dec 1, 2015Electrical system, Equipment. IPC Odometer Programming Method Quick Reference Guide Season Odometer Programming Methods in Use Today 1. IPC reprogramming and setup using the service programming system (SPS). 2. Odometer setup at the electronic service center (ESC) when using an exchange IPC/DIC. 3. Tech 2® – The Tech 2 is used to set up a replacement BCM, which includes loading the odometer value that is displayed and stored in the IPC.
• 10190503Dec 1, 2015Engine, Transmission and drivetrain. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
• 10190380Dec 1, 2015Engine cooling. Information on Diesel Exhaust Fluid (DEF) Filling Instructions, Frozen Tank Status and General Information In operating temperatures of 15°F (−9°C) or less, customers may comment on an “Exhaust Fluid Range” message displaying on the DIC even though the DEF fluid has been filled. When the DEF is frozen, the level sensor cannot determine the fluid level in the tank. If this occurs the logic of the PCM will…
• 10115143Nov 30, 2015Engine cooling. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire.
• 10126401Oct 30, 2015Body and structure. This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only).
• 10126395Oct 27, 2015Engine cooling. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10126393Oct 26, 2015Equipment. This warranty administration bulletin provides policy information on an updated warranty and policy exchange program for electronic products through GM authorized Electronic Service Centers (ESCs) (U.S. and Canada).
• 10126385Oct 22, 2015Electrical system, Equipment. This preliminary informational bulletin adds the 2014 - 2016 model years to cleaning information to correct a customer concern of seeing a white film/residue on the IP pad and/or door trim panels.
• 10126375Oct 14, 2015Electrical system, Equipment. This informational bulletin provides information to dealership personnel on the use of non-GM approved battery chargers and booster packs.
• 10126370Oct 13, 2015Equipment, Transmission and drivetrain. This informational bulletin provides information to dealership personnel on proper engine and automatic transmission/transaxle identification.
• 10126369Oct 13, 2015Electrical system. 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.
• 10126355Oct 6, 2015Equipment. This warranty administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment.
• 10126350Oct 5, 2015Equipment. This warranty administration bulletin provides policy information on an updated warranty and policy exchange program for electronic products through GM authorized Electronic Service Centers (ESCs) (U.S. and Canada).
• 10126349Oct 2, 2015Wheels. This warranty administration bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.
• 10126346Oct 2, 2015Engine cooling, Fuel system. This informational bulletin provides information to dealership personnel on identifying Duramax Diesel overpower engine breakdown or non-function due to aftermarket power-up devices vs. non overpower engine non-function of pistons, cylinders, valve train components, and DTC P003A or P111D set.
• 10126345Oct 2, 2015Engine cooling. This preliminary informational bulletin provides service personnel with a guide to determine which SI documents and scan tool parameters to reference when encountering an: Exhaust Fluid Quality Poor message displayed, and a Reductant Fluid Quality Test status that will Pass, Time Out, Fail or Interrupt and other DEF messages that maybe observed.
• 10126344Oct 2, 2015Engine cooling. This preliminary informational bulletin provides technicians with repair information on removing seized exhaust temperature sensors.
• 10126343Oct 1, 2015Engine cooling. This preliminary informational bulletin provides dealership personnel with policies and procedures regarding damaged, disassembled or improperly packaged turbochargers returned to Warranty Part Center.
• 10114680Aug 24, 2015Engine cooling. This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Engine Part number 12638502 has been placed on a parts restriction through the General Motors Product Quality Center. Dealer will need to contact the General Motors Product Quality Center for further assistance.
• 10138139Jul 23, 2015Electrical system, Equipment. 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.
• 10138124Jul 14, 2015Body and structure. This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only)
• 10114598Jul 10, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle.
• 10089893Jul 8, 2015Electrical system, Engine. 15114 - special coverage. On some 2010-2012 model year chevrolet silverado hd and gmc sierra hd or 2011-2012 chevrolet express and gmc sierra hd vehicles equipped with a 6.6l duramax diesel engine (rpo lml, lgh) the malfunction indicator lamp (mil) may illuminate due to a condition with the glow plugs. When diagnosed, replacement of one of the engines glow plugs may be required.
• 10089887Jul 7, 2015Engine. 14652 - special coverage. On some 2010-2012 model year chevrolet express and gmc savana vehicles and 2011-2012 model year chevrolet silverado hd and gmc sierra hd vehicles that are equipped with a 6.6l diesel engine (lml/lgh), a malfunction-indicator light (mil) may illuminate due to an offset in the temperature sensor in the diesel-emission-reduction fluid (def) tank reservoir, increased tank-heater resistance, or…
• 10089949Jun 15, 2015Fuel system. 14653 - special coverage. Some 2010-2014 model year chevrolet express, 2011-2014 model year chevrolet silverado hd, 2010-2014 model year gmc savana and 2011-2014 model year gmc sierra hd vehicles equipped with a 6.6l engine (rpo lml or lgh), may have a condition where the indirect fuel injector can become stuck in the closed position or can have low flow. This condition could result in the illumination of the…

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