2012 Chevrolet Express Technical Service Bulletins

1,783 technical service bulletins (TSBs) are on record for the 2012 Chevrolet Express. 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.

• 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.
• 10112166Aug 15, 2014Engine cooling, Fuel system. This Preliminary Information communication provides information to the technician on the proper steps for filling the coolant system for vehicles with a diesel engine and rear heater systems. Dealer will need to review and use Service Information procedures for Cooling System Draining and Filling (Vac-N-Fill Diesel) after all cooling system repairs are made.
• 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…
• 10093668Aug 6, 2014Equipment. 14151 - customer satisfaction (message only, vin list was not attached to the previous message). This message is to alert dealers that general motors has become aware that some customers may be overfilling their compressed natural gas (cng) tanks in cold weather by adding cng beyond the recommended fill pressure.
• 10093666Aug 5, 2014Equipment. 14151 - customer satisfaction (message only with letter). This message is to alert dealers that general motors has become aware that some customers may be overfilling their compressed natural gas (cng) tanks in cold weather by adding cng beyond the recommended fill pressure.
• 10044240Aug 1, 2014Fuel system. Gm: duramax diesel hard start, no start, or dtc p0087 injection pump replacement. Normal si diagnostics may be inconclusive or lead to a fuel injection pump replacement. *js updated 11/12/14. Pe
• 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.
• 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.
• 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.
• 10092718Jul 25, 2014Engine. 14096b - emissions recall (revised service procedure and techline information). General motors has decided to conduct a voluntary emission recall involving certain vehicles equipped with a gasoline or liquefied petroleum gas (lpg) engine. The oxygen (o2) sensor may fracture if condensation from the catalytic converter enters the o2 sensor and causes a sudden temperature change. If this occurs, the malfunction…
• 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.
• 10140434Jul 23, 2014Steering. This technical bulletin provides a procedure to replace the power steering pump and line to correct the customers concern of lack of steering assit when stopped or parking lot manuvers.
• 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.
• 10138589Jul 23, 2014Steering. This technical bulletin provides a procedure to replace the power steering pump and line to correct the customers concern of lack of steering assit when stopped or parking lot manuvers.
• 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.
• 10137839Jul 23, 2014Steering. This technical bulletin provides a procedure to replace the power steering pump and line to correct the customers concern of lack of steering assit when stopped or parking lot manuvers.
• 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.
• 10140429Jul 16, 2014Body and structure. This informational bulletin informs dealers to remove the protective bumper films.
• 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.
• 10138584Jul 16, 2014Body and structure. This informational bulletin informs dealers to remove the protective bumper films.
• 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.
• 10137834Jul 16, 2014Body and structure, Equipment. This informational bulletin informs dealers to remove the protective bumper films.
• 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.
• 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.
• 10140363Jul 11, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10138578Jul 11, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10137828Jul 11, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10112108Jul 10, 2014Electrical system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have a "Service Charging System" message displayed on the Driver Information Center or low voltage reading on the volt gauge during the first several minutes after a cold start. Technician may find Diagnostic Trouble Code B1517 sym 03. Technician will need to update the calibration in the Body Control Module by…
• 10140359Jul 8, 2014Equipment. This Technical bulletin provides a procedure to request a hard mute from Onstar when navigation is annoucing directions and to correct the customers concern of the radio being loud during navigation.

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