2012 Chevrolet ExpressService bulletins
2012 Chevrolet Express Technical Service Bulletins
1,784 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.
- 10118626Oct 10, 2012Equipment. This warranty administrational bulletin provides information on Clarification of Use - Dealer Empowerment Labor Operations and Customer Enthusiasm
- 10118623Oct 9, 2012Equipment. This warranty administrational bulletin provides information on courtesy transportation and roadside assistance programs offered through GM.
- 10112457Oct 9, 2012Transmission and drivetrain, Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have a ticking noise when driving above 30 miles per hour in third and fourth gear. Technician will need to replace the Reaction Carrier and the Low and Reverse Roller Clutch.
- 10118619Oct 5, 2012Equipment. This informational bulletin provides information on newly release bulletins used to fi the vehicles in the field the first time.
- 10112447Oct 4, 2012Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that may have a ticking noise when driving above 30 miles per hour in third and fourth gear. Technician will need to replace the Reaction Carrier and the Low and Reverse Roller Clutch.
- 10254213Oct 1, 2012Body and structure. Appearance of Discoloration or Corrosion Near Edges.
- 10247663Oct 1, 2012Electronic stability control, Brakes. ABS Light and/or Service Stability Message On With DTC C0045 and/or C0050.
- 10246951Oct 1, 2012Equipment. Programming And Activation Of Replacement OnStar Modules.
- 10246593Oct 1, 2012Transmission and drivetrain. Warranty Administration ? Change in Automatic Transmission Add Condition Documentation and Claim Submission
- 10245302Oct 1, 2012Electronic stability control, Brakes. ABS Light and/or Service Stability Message On With DTC C0045 and/or C0050.
- 10073941Oct 1, 2012Engine. Summary to be provided on a future date.
- 10073939Oct 1, 2012Transmission and drivetrain. Summary to be provided on a future date.
- 10073926Oct 1, 2012Transmission and drivetrain. Summary to be provided on a future date.
- 10047820Oct 1, 2012Engine cooling. Gmc/chevrolet: there may be an accumulation of diesel particulate filter soot level found when a diagnostic system check is performed and may be caused by engine control module (ecm) with a reduced engine power message. Model 2011-2013 express, silverado; savana, sierra.
- 10253607Sep 1, 2012Transmission and drivetrain. MIL Illuminated.
- 10247721Sep 1, 2012Exterior lighting, Transmission and drivetrain, Air bags. Stability Message Low Power Brake Light And Cruise Control Operation.
- 10247066Sep 1, 2012Vehicle speed control, Brakes. Stability Message Low Power Brake Light And Cruise Control Operation.
- 10071955Sep 1, 2012Transmission and drivetrain. Summary to be provided on a future date.
- 10071237Sep 1, 2012Fuel system, Other or unknown. Summary to be provided on a future date.
- 10071213Sep 1, 2012Electrical system. Summary to be provided on a future date.
- 10047240Sep 1, 2012Fuel system. Chevrolet/gmc: malfunction indicator lamp regarding fuel gauge registering empty or inoperative after half a tank of fuel and will be corrected with new compress natural gas (cng) module. Model 2012 express, savana.
- 10044879Sep 1, 2012Exterior lighting, Vehicle speed control. General motors: service stability message low power brake light and cruise control operation- dtc c0161 and/or c0277. New for the 2012 models is a dual brake pedal position (bpp) sensor (two sensors in one). The dual bpp replaces the old style open/closed brake switch which has been used for years. *js models 2012-13 all escalades; avalanche, express, silverado, suburban, tahoe; savana, sierra, all yukons and…
- 10055803Jul 1, 2012Transmission and drivetrain. Cadillac/chevrolet/gmc/hummer/pontiac: there is slipping or have no fourth, fifth or sixth gear and malfunction indicator lamp (mil) would be on, with diagnostic trouble code (dtc) p0796 found as active.
- 10045519Jul 1, 2012Equipment, Electrical system. Gm-express/silverado/savana/sierra: due to poor connections and intermittent condition of map sensor connector wiring harness terminal crimps, trucks have a malfunction indicator lamp (mil) illumination and reduced engine power display message.
- 10045063Jun 1, 2012Transmission and drivetrain. Gmc/chevrolet: some trucks, equipped with automatic transmission 4l60e, may experience slipping, missed or late shifts in 3rd and 4th gears due to possible 3-4 clutch distress.
- 10044391May 1, 2012Transmission and drivetrain. Gmc/chevrolet: malfunction indicator lamp (mil) is illuminated and has a harsh shift 1-2. The tcc enable solenoid and wire harness should be replaced when repairs are performed on transmission.
- 10041435Mar 1, 2012Fuel system. Chevrolet/gmc: at high pressure pump to high pressure fuel lines there are signs of fuel leakage and/or fuel odor. *pe updated on 5/2/2012.
- 10043629Feb 1, 2012Steering. General motors: reservoir for power steering fluid is heat damaged and leaking. May caused problems with power steering pump.
- 10043485Jan 1, 2012Equipment. Chevrolet/gmc: when hvac system is turned on , there is no air flow and the blower motor is inoperative.
- 10042289Oct 1, 2011Latches, locks and linkages. Chevrolet/gmc: bulletin providing information regarding availability of front side door latch/lock as a separate part.
- 10039026Apr 1, 2011Transmission and drivetrain. Gm: 2010-2012 express/savana. There is a transmission fluid leak at the rear of the transmission. There is a missing plug.
- 10039004Apr 1, 2011Suspension. Gm: there is a noise from the rear of the vehicle during acceleration and is from metal to metal contact of bushings. 2006-2012 express/savana.
- 10037884Apr 1, 2011Electrical system. Gm: the dome light is inoperative. The air bag light is on and the door ajar light is on. This is likely caused by a wiring harness. *rm updated on 6/27/2011.
- 10035424Apr 1, 2011Latches, locks and linkages. Chevrolet/gmc: disable auto door locking for emergency response vehicles. In order to disable the auto door locking function, it is necessary to reprogram the bcm. *pe updated on 06/27/2011.
← All problems reported for the 2012 Chevrolet Express
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.