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.

• 10112251Sep 24, 2014Engine cooling. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
• 10150637Sep 23, 2014Equipment. This informational bulletin provides information on how to use floor mats.
• 10142226Sep 23, 2014Equipment. This informational bulletin provides information on how to use floor mats.
• 10137805Sep 23, 2014Equipment. This informational bulletin provides information on how to use floor mats.
• 10090589Sep 23, 2014Equipment. 14151 - customer satisfaction program (revised population, letter only). Information about customers overfilling their compressed natural gas (cng) tanks in cold weather in certain vehicles was previously sent. Additional 13 vehicles are added for which we do not have current owner name and address. A list is attached with invoicing business associate code, please use the list to assist with identifying the owner…
• 10150634Sep 19, 2014Equipment. This informational bulletin provides the technician on what to do if the customer has a navagation concern and submit a feedback form to the GM navigation disc center website.
• 10150632Sep 19, 2014Fuel system. This informational bulletin provides information on top tier fuels and what brands are available.
• 10142222Sep 19, 2014Equipment. This informational bulletin provides the technician on what to do if the customer has a navagation concern and submit a feedback form to the GM navigation disc center website.
• 10142220Sep 19, 2014Fuel system. This informational bulletin provides information on top tier fuels and what brands are available.
• 10137801Sep 19, 2014Equipment. This informational bulletin provides the technician on what to do if the customer has a navagation concern and submit a feedback form to the GM navigation disc center website.
• 10137799Sep 19, 2014Fuel system, Equipment. This informational bulletin provides information on top tier fuels and what brands are available.
• 10150630Sep 18, 2014Equipment, Engine cooling. This preliminary bulletin provides information on how to check for ice and/or snow build up and to install a radiator cover to correct the customers concern of reduced engine power and service engine message on.
• 10142218Sep 18, 2014Equipment. This preliminary bulletin provides a procedure to repair the headliner air cap to correct the customers concern of the lack of air flow from the 2nd or 3rd row.
• 10142215Sep 18, 2014Engine cooling. The purpose of this document is to provide the Service Personnel with a guide to determine which Service Information 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 may be observed.
• 10142214Sep 18, 2014Engine cooling. This preliminary bulletin provides information on how to check for ice and/or snow build up and to install a radiator cover to correct the customers concern of reduced engine power and service engine message on.
• 10137797Sep 18, 2014Equipment. This preliminary bulletin provides a procedure to repair the headliner air cap to correct the customers concern of the lack of air flow from the 2nd or 3rd row.
• 10137794Sep 18, 2014Engine cooling. The purpose of this document is to provide the Service Personnel with a guide to determine which Service Information 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 may be observed.
• 10137793Sep 18, 2014Equipment, Engine. This preliminary bulletin provides information on how to check for ice and/or snow build up and to install a radiator cover to correct the customers concern of reduced engine power and service engine message on.
• 10150628Sep 17, 2014Equipment. This informational bulletin ask the dealers for digital pictures to better enhance field reports only.
• 10142211Sep 17, 2014Equipment. This informational bulletin ask the dealers for digital pictures to better enhance field reports only.
• 10137790Sep 17, 2014Equipment. This informational bulletin ask the dealers for digital pictures to better enhance field reports only.
• 10150627Sep 16, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10150626Sep 16, 2014Equipment. This informational bulletin provides additional information to the technicians and how to submit a field product report.
• 10142208Sep 16, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10142207Sep 16, 2014Equipment. This informational bulletin provides additional information to the technicians and how to submit a field product report.
• 10137787Sep 16, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10137786Sep 16, 2014Equipment. This informational bulletin provides additional information to the technicians and how to submit a field product report.
• 10112228Sep 15, 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…
• 10094823Sep 10, 2014Equipment. This preliminary bulletin provides a information on how to remove the seized temperature sensors from the dpf.
• 10112215Sep 9, 2014Fuel system, Equipment. This Preliminary Information communication advises the technician that the Diesel Oxidation Converter part numbers 15231895, 22768282, 22770967, 22887212, 22893734 and 22977171 will be placed on a parts restriction through the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
• 10094495Sep 5, 2014Electrical system. This preliminary bulletin provides information to inspect the battery for proper grounding to the frame and engine if the customer brings the vehicle in for erratic shifting and mil on.
• 10254238Sep 1, 2014Body and structure. Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting.
• 10253608Sep 1, 2014Transmission and drivetrain. MIL Illuminated.
• 10246592Sep 1, 2014Engine cooling. Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages
• 10072557Sep 1, 2014Equipment, Electrical system. Summary to be provided on a future date.
• 10070944Sep 1, 2014Engine cooling. Summary to be provided on a future date.
• 10070508Sep 1, 2014Engine cooling. Summary to be provided on a future date.
• 10070168Sep 1, 2014Engine. Summary to be provided on a future date.
• 10070101Sep 1, 2014Transmission and drivetrain. Summary to be provided on a future date.
• 10056354Sep 1, 2014Engine, Engine cooling. Gmc/chevrolet: engines, with egr system, has leakage from egr cooler engine coolant into the combustion chamber. Model 2002-15 silverado, sierra, 2004-09 kodiak c4500-c5500, topkick c4500-c5500, 2006-15 express, savana.
• 10043891Sep 1, 2014Transmission and drivetrain. Gm: erratic transmission shifting and illuminated mil. Technicians may find dtcs p0961, p0965, p0969, or p2762 as history or active dtcs. *js updated 12/9/14.
• 10138703Aug 28, 2014Engine cooling, Equipment. This informational bulletin advises of a new testing tool for EGR cooling pressure tester.
• 10138702Aug 28, 2014Engine cooling, Fuel system. This informational bulletin provides additional information on DEF filling, frozen tank and general information.
• 10138701Aug 28, 2014Engine cooling, Fuel system. This informational bulletin provides general information and helpful guidelines to use when diagnosing and repairing diesel exhaust fluid related DIC warnings and messages.
• 10138697Aug 26, 2014Engine, Electrical system, 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.
• 10138696Aug 26, 2014Equipment, Engine cooling, Fuel system. This informational bulletin explains possible normal diesel engine noises.
• 10138693Aug 25, 2014Equipment, Electrical system. This warranty bulletin explains how to use the EL-50313 Midtronic GR8 Battery tester to test a battery and determin if it is warranty or not.
• 10138692Aug 25, 2014Equipment. This informational bulletin provides information to the dealers on properly maintaining vehicles in inventory.
• 10138688Aug 21, 2014Engine cooling, Equipment. This preliminary informational bulletin was created to inform Service Agents or Dealers, they may be charged back for parts and labor due to the turbo-chargers are being returned to the Warranty Parts center damaged, improperly assembled or missing parts and advising to properly package the complete turbochargers.
• 10138681Aug 18, 2014Tires, Equipment. This informational bulletin provides the technician with information on tire radial force variations and how to use it.

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