2014 GMC Sierra 2500 Technical Service Bulletins

1,812 technical service bulletins (TSBs) are on record for the 2014 GMC Sierra 2500. 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.

• 10112190Aug 21, 2014Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that may have a service 4 wheel drive message and the transfer case is stuck in neutral. Technician may find Diagnostic Trouble Code C0398 set in the Transfer Case Control Module. Technician should verify if the vehicle was dinghy towed the vehicle using the owner's manual procedure.
• 10112189Aug 21, 2014Transmission and drivetrain, Electrical system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have a repeat service 4 wheel drive message. Technician may find Diagnostic Trouble Codes C0398, C038D or C0397. Technician will need to reprogram the Transfer case control module with latest software available through tis2web.
• 10112185Aug 19, 2014Electrical system. This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or history. The Camshaft Position Actuator Solenoid Valve may be sticking or binding causing the valve timing to be retarded. Dealer will need to cycle the Camshaft Position Actuator…
• 10138682Aug 18, 2014Equipment. This preliminary bulletin provides a diagnostic tip to install a temporary dowl rod to perform an alignment.
• 10138681Aug 18, 2014Tires, Equipment. This informational bulletin provides the technician with information on tire radial force variations and how to use it.
• 10112179Aug 18, 2014Equipment, Transmission and drivetrain, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that may have a transfer case that will not shift out of 4 wheel drive low or takes a long time to shift out of 4 wheel drive low. Technician will need to update the Transfer Case Control Module for this concern.
• 10112172Aug 18, 2014Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that may have a service 4 wheel drive message and the transfer case is stuck in neutral. Technician may find Diagnostic Trouble Code C0398 set in the Transfer Case Control Module. Technician should verify if the vehicle was dinghy towed the vehicle using the owner's manual procedure.
• 10112170Aug 18, 2014Fuel system, Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on. Technician may find a P0420, P24A0 and/or P2463 set. Technician should use published Service Information diagnostics for the Diagnostic Trouble Code. If the diagnostic leads to diagnosis or replacement of the Q57 Indirect Exhaust After treatment Fuel Injector, document all of…
• 10112169Aug 15, 2014Engine cooling, Fuel system. This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" on the Driver Information Center. If the technician is working on 2010 and 2011 model years campaign 11001 has now been released.
• 10112168Aug 15, 2014Engine cooling. This Preliminary Information communication provides information to the technician about vehicles with Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0101. Technician should follow published Service Information diagnostics for any Diagnostic Trouble Codes that are set.
• 10112167Aug 15, 2014Engine. This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. If a technician has duplicated, or the customer description aligns with the speeds mentioned in the idle speed description tables, the idle speed should be considered a normal characteristic of current vehicle design.
• 10112164Aug 14, 2014Transmission and drivetrain. This Preliminary Information communication advises the technician that the Allison 6 Speed Automatic Transmission Assembly (RPO MW7) has been placed on restriction through General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
• 10112163Aug 13, 2014Engine cooling. 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.
• 10112160Aug 8, 2014Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Technician can also contact Partect for assistance. Technician can also contact Techline Customer Support Center for programming issues.
• 10138671Aug 7, 2014Equipment, Visibility (wipers, defrost, mirrors). This preliminary bulletin provides a procedure to replace the windshild to correct the customers concern of a loose mirrior and/or bracket fell off.
• 10112157Aug 7, 2014Fuel system. This Preliminary Information communication provides information to the technician about vehicles that have a hard start or a no start. Technician may find Diagnostic Trouble Code DTCs P0087, P0088, P0191 or P128E. Technician will need to follow all Service Information diagnose for the Diagnostic Trouble Code. If the current Service Information diagnostic has led to Fuel Injection Pump replacement, Fuel Pressure…
• 10112155Aug 7, 2014Other or unknown, Electrical system. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" message on the Driver Information Center. Technician will inspect and clean the ground wire (normally white wire) connection on the trailer side of the 7-pin connector. Inspect that the wires inside the trailer side connector are clean…
• 10138670Aug 6, 2014Steering. This technical bulletin provides a procedure to repair any power steering leak that may be caused from extremely low temperatures and use the recommended fluid.
• 10112144Jul 31, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicle that has no XM audio on certain channels but XM channel info is displayed. Technician will need to contact XM and deactivate and activate the module.
• 10140439Jul 30, 2014Equipment. This technical bulletin provides a procedure to correct the customers concern of odor coming from the Air conditioning.
• 10138594Jul 30, 2014Equipment. This technical bulletin provides a procedure to correct the customers concern of odor coming from the Air conditioning.
• 10137844Jul 30, 2014Equipment. This technical bulletin provides a procedure to correct the customers concern of odor coming from the Air conditioning.
• 10112142Jul 30, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a message on the radio "maximum number of phones are currently paired to the vehicle". Dealer should advise the customer this is normal operation of the vehicle due to the maximum number of five phones can be paired to a vehicle.
• 10112139Jul 30, 2014Equipment. This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 10112137Jul 30, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
• 10112135Jul 30, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have "Press check to turn off motion sensor" message on the Driver Information Center. If this message is displayed, the vehicle has a General Motors Accessory shock sensor, motion sensor or inclination sensor installed. Dealer should advise the customer this is normal operation with this accessory installed.
• 10112132Jul 28, 2014Transmission and drivetrain, Brakes. This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option Code (M5U) Automatic Transmission. Starting with the 2013 model year, Full Size Trucks and Utilities now have Powertrain Grade Braking.
• 10140437Jul 25, 2014Equipment, Engine. This information bulletin provides the technician the information on how to properly clean a metal surface using the correct tool.
• 10138592Jul 25, 2014Equipment. This information bulletin provides the technician the information on how to properly clean a metal surface using the correct tool.
• 10137842Jul 25, 2014Equipment, Engine cooling. This information bulletin provides the technician the information on how to properly clean a metal surface using the correct tool.
• 10112129Jul 25, 2014Brakes, Transmission and drivetrain. This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Brake Pedal Override Feature ?, transmission busy or frequent shifting up or down, and Diagnostic Trouble Codes P057B, P057C, and/or P057D may or may not be set.
• 10248445Jul 23, 2014Equipment. Vehicle Recalls
• 10140436Jul 23, 2014Tires, Wheels. This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair.
• 10138591Jul 23, 2014Tires, Wheels. This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair.
• 10137841Jul 23, 2014Tires, Equipment, Wheels. This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair.
• 10112116Jul 17, 2014Engine cooling. This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
• 10140428Jul 16, 2014Engine cooling. This information bulletin advises of a new tool used to aid in installing Duramax glow plugs.
• 10140367Jul 16, 2014Equipment. This informational bulletin provides information on what products GM has to aid in the eliminating unwanted odors in a vehicle.
• 10138583Jul 16, 2014Equipment. This information bulletin advises of a new tool used to aid in installing Duramax glow plugs.
• 10138582Jul 16, 2014Equipment. This informational bulletin provides information on what products GM has to aid in the eliminating unwanted odors in a vehicle.
• 10137833Jul 16, 2014Equipment, Engine cooling. This information bulletin advises of a new tool used to aid in installing Duramax glow plugs.
• 10137832Jul 16, 2014Equipment. This informational bulletin provides information on what products GM has to aid in the eliminating unwanted odors in a vehicle.
• 10137831Jul 16, 2014Equipment, Visibility (wipers, defrost, mirrors). This preliminary bulletin provides a procedure to replace the outside mirriors with camper style mirriors for the customer request.
• 10140365Jul 15, 2014Equipment. This informational bulletin provides additional information to the technicians and how to submit a field product report.
• 10138580Jul 15, 2014Equipment. This informational bulletin provides additional information to the technicians and how to submit a field product report.
• 10137830Jul 15, 2014Equipment. This informational bulletin provides additional information to the technicians and how to submit a field product report.
• 10140364Jul 14, 2014Electrical system, Electronic stability control. This preliminary bulletin provides information on what labor operation number to use for various electrical/electronic control issues.
• 10138579Jul 14, 2014Equipment, Electrical system. This preliminary bulletin provides information on what labor operation number to use for various electrical/electronic control issues.
• 10137829Jul 14, 2014Equipment, Electrical system, Transmission and drivetrain. This preliminary bulletin provides information on what labor operation number to use for various electrical/electronic control issues.
• 10112111Jul 14, 2014Electrical system, Equipment. This Preliminary Information communication advises the technician that the Engine Control Module part numbers 12656993 and 12662034 are on part restriction through the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.

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