2012 GMC Sierra 1500 Technical Service Bulletins

892 technical service bulletins (TSBs) are on record for the 2012 GMC Sierra 1500. 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.

• 10083241Aug 30, 2016Electrical system. 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.
• 10083240Aug 30, 2016Electrical system. This preliminary information communication advises the technician that the high voltage battery for the 2-mode is no longer on part restriction.
• 10083106Aug 30, 2016Transmission and drivetrain. This preliminary information communication advises the technician that the part restriction for the auxiliary transmission fluid pump control module and pump part numbers 24261817and 19207983 has ended.
• 10082869Aug 29, 2016Engine. This informational bulletin provides additional information on how to install pistons and suggest what tools to use.
• 10083321Aug 16, 2016Suspension. This preliminary information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related to damaged suspension components. Before any in-depth diagnostics are performed, be aware that various issues could occur if the vehicle has been modified and inform the customer…
• 10083080Aug 15, 2016Engine cooling. This preliminary information communication provides information to the technician about vehicles that may have low oil pressure message. Technician may also find a diagnostic trouble code p0521 in the engine control module. Technician should follow all published service information diagnosis.
• 10082865Aug 15, 2016Seat belts. This preliminary informational bulletin provides a procedure to reposition the front seat belt latch plate for concerns regarding the seat belt webbing or latch plate coming twisted.
• 10082822Aug 12, 2016Electrical system, Engine. This informational bulletin provides information on how to test a battery and what is needed to warranty a battery.
• 10082363Aug 12, 2016Equipment. This warranty administration bulletin provide policy on performing gm covered vehicle services and maintenance on vehicles originating/sold in canada.
• 10082447Aug 8, 2016Engine cooling. This informational bulletin explains a possible normal whining noise from the balance shaft chain if the vehicle has less than 10,000 miles on it.
• 10082860Aug 3, 2016Equipment. This informational bulletin provides information on gm does not approve the use of “clipping” to repair collision damage to vehicles. Gm has not tested or validated a “clipped vehicle” repair; therefore, gm cannot endorse this type of repair or confirm the crash performance during a subsequent collision.
• 10082861Aug 2, 2016Electrical system. This technical bulletin provides a procedure to remove the transport mode on message displayed in the dic due to vehicles shipped over long distances outside the u.s. And canada.
• 10082823Aug 2, 2016Engine cooling. This informational bulletin explains the use of diesel fuel additives in an engine, are not required unless the customer desires additives to prevent fuel concerns depending on fuel or temperature related conditions.
• 10082814Aug 2, 2016Engine. This informational bulletin provides information to gm dealers on the correct cleaning methods when cleaning engine gasket sealing surfaces.
• 10082820Aug 1, 2016Engine. This informational bulletins provides information on the intake manifold inspection/replacement after servere internal engine damage.
• 10089121Jun 29, 2016Tires, Equipment. This informational bulletin provides guidance to gm dealers when using gm approved tire force variation measurement equipment.
• 10089049Jun 29, 2016Body and structure. This technical bulletin provides a proedure to replace the door panels with newly desgined parts for vehicles with the condition of a broken trim panel around door handle.
• 10089222Jun 22, 2016Tires, Equipment. This informational provides information on slight or mild tire feathering and recommended practices.
• 10088863Jun 22, 2016Equipment, Engine cooling. This informational bulletin is a supplement to the duramax diesel coolant system fill and head gasket replacement procedure found in the service information.
• 10089229Jun 20, 2016Electrical system. This informational bulletin provodes information on the gm of canada onstar cellular communication upgrade.
• 10081022Jun 14, 2016Electrical system. This preliminary information communication advises the technician that ,when testing any circuit for open or resistance, it is imperative that all related terminal pin fit and tension be checked when the test steps require disconnection of the connector or component, prior to any component replacement. Always use the recommended terminal test tool during these tests.
• 10089247Jun 10, 2016Equipment. This informational bulletin provides information on the proper use of floor mats.
• 10080701Jun 10, 2016Electrical system, Engine. "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…
• 10080662Jun 3, 2016Equipment. This preliminary information communication advises the technician that the drive motor generator control module part restriction has end.
• 10118547May 20, 2016Tires. This informational bulletin provides information on the temporary tire flat spotting condition.
• 10118546May 16, 2016Equipment. This informational bulletin provides information on a new U.S. dealer special tool loan program.
• 10118545May 16, 2016Electrical system, Equipment. This informational bulletin provides warranty policy information on revised wiring repair labor operations and required additional information.
• 10078876May 11, 2016Brakes. This preliminary information communication advises the technician that the hydro-boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
• 10078874May 10, 2016Equipment. This preliminary information communication advises the technician that a noise or a vibration in the vehicle that seems to be abnormal may not have been there when the vehicle was purchased. Technician should look for non - general motors aftermarket accessories installed on the vehicle that can cause these issues.
• 10078861May 3, 2016Brakes, Equipment. This preliminary information communication advises the technician that the electronic brake control module and brake pressure modulator valve for the 2-mode hybrid utilities and trucks are being placed on parts ordering restriction through the gm technical assistance center (tac).
• 10078571May 1, 2016Equipment. This informational bulletin provide information on the product quality center (pqc) assembly replacement process.
• 10078569May 1, 2016Fuel system, Other or unknown. This informational bulletin provides information on vehicles designed to operate on gaseous fuels.
• 10078568May 1, 2016Transmission and drivetrain, Equipment. This informational bulletin provides information on how to inspect the upper valve body to determine the correct rpo usage to correct a concern that after installation of a replacement upper valve body, the transmission may have no reverse and no 2nd gear due to the installation of the incorrect upper valve body.
• 10083898Apr 27, 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.
• 10083513Apr 27, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of receiving frequent "off route" messages while following turn by turn (tbt) route navigation. The technician is provided instructions for resetting the vehicle communication interface module for this concern.
• 10078745Apr 27, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of receiving frequent "off route" messages while following turn by turn (tbt) route navigation. The technician is provided instructions for resetting the vehicle communication interface module for this concern.
• 10083781Apr 22, 2016Electrical system. This preliminary information communication advises the technician on the steps to diagnose the concern, and the steps to repair the concern of the vehicle cranks but does not start. The technician is to inspect for a sheared cam pin in the engine.
• 10078543Apr 22, 2016Transmission and drivetrain, Equipment. This preliminary information bulletin provides a procedure to reset the transmission adapts and test drive the vehicle to correct a customer concern on a harsh (detent) 6-4 downshift.
• 10083889Apr 21, 2016Fuel system. This preliminary information communication advises the technician on the steps to diagnose the concern. Customer hears a clunk when stopping or launching.
• 10083509Apr 21, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern. The vehicle's xm radio only has xm preveiw channels.
• 10083482Apr 21, 2016Equipment. This preliminary information communication advises the technician to diagnose the concern and the steps to repair the concern. The vehicle's xm travel link may be inopertive.
• 10078738Apr 21, 2016Fuel system. This preliminary information communication advises the technician on the steps to diagnose the concern. Customer hears a clunk when stopping or launching.
• 10078522Apr 20, 2016Equipment. "this technical bulletin provides a procedure to contact onstar for hard mute request to correct a customer concern when the radio is on, it does not mute enough when the onstar® turn-by-turn navigation directions are announced due to customer improperly setting the radio volume high enough when the turn-by-turn navigation messages are played. "
• 10078520Apr 20, 2016Electrical system. This informational bulletin provides information that may be useful on diagnosing batteries that have set for a long period of time and/or set in cold weather climates and testing those batteries.
• 10083884Apr 19, 2016Equipment. This preliminary information communication advises the technician on the steps for diagnosing the concern. The vehicle may be unable to connect to onstar using the white, blue or red onstar buttons.
• 10083484Apr 19, 2016Electrical system. This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the onstar system.
• 10078735Apr 19, 2016Electrical system. This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the onstar system.
• 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.

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