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.

• 10114759Nov 24, 2014Equipment. This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availability.
• 10114748Nov 24, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface control module. Engineering has determined that this code will only display in history on the scan tool and will not cause issues with OnStar system operation.
• 10114746Nov 21, 2014Engine. This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on or engine misfire, rough idle, extended crank, or crank no start in some cases. Technician will need to perform published Service Information diagnostics. If technician finds carbon an upper engine and valve cleaning should be performed.
• 10114267Nov 21, 2014Fuel system. This informational bulletin provides information on top tier fuels and what brands are available.
• 10114266Nov 21, 2014Transmission and drivetrain. This preliminary bulletin provides a procedure to remove and inspect the clutch select solenoid valve for damage, located in the valve body to correct the customers concern of reduced acceleration at low speeds and trans slip at lauch.
• 10114265Nov 20, 2014Electrical system. This technical bulletin provides a procedure to check the headlamp wiring connector and replace if damaged.
• 10114262Nov 18, 2014Brakes. This informational bulletin explains a normal condition for what and how the drive line can clunk.
• 10114260Nov 18, 2014Forward collision avoidance. This information bulletin explains the use of drilling high strength steel in a collision repair and the GM recommended CryoCobalt Drill bit.
• 10114728Nov 13, 2014Fuel system. This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Engine Fuel Injection Pump Part numbers 12645102, 12658095 and 12661059 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.
• 10114247Nov 10, 2014Equipment. This preliminary bulletin provides a procedure to paint the areas of the frame, if there are signs of rust/corrosion after the wax coating peeled off.
• 10114245Nov 7, 2014Electrical system. This informational bulletin was created to help technician identify non GM calibrations for the gasoline engines and the damages that may be caused by aftermarket calibrations
• 10090222Nov 7, 2014Transmission and drivetrain. 14730 - customer satisfaction program. Certain vehicles, equipped with engine rpo l96 (6.0l v-8) and transmission rpo myd (6 speed auto), may have a condition in which high duty cycle use while pulling trailers and/or vehicles (such as fleet customers driving cut-away models with 16 foot boxes) can exceed the target energy input to the clutch. This may lead to faster torque converter clutch friction material wear…
• 10114241Nov 5, 2014Electrical system. This informational bulletin was created to help technician identify non GM calibrations for the gasoline engines and the damages that may be caused by aftermarket calibrations
• 10114705Nov 4, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the existing cellular provider not having roaming agreements in areas outside of Canada to support transmitting of the packet data required for Turn-By-Turn feature to operate. The…
• 10114240Nov 3, 2014Equipment. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary.
• 10114239Nov 3, 2014Equipment. This warranty bulletin clarifies the use of dealer empowerment to satisfy the customer.
• 10254239Nov 1, 2014Body and structure. Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting.
• 10252163Nov 1, 2014Equipment. XM Audio Traffic And Travel Link Availability And Operation.
• 10250082Nov 1, 2014Transmission and drivetrain. Information on Driveline Clunk Noise
• 10247232Nov 1, 2014Electrical system, Other or unknown, Transmission and drivetrain. Torque Converter Clutch Wear
• 10247063Nov 1, 2014Visibility (wipers, defrost, mirrors). A/C Blows Warm Or Poor Performance.
• 10246569Nov 1, 2014Transmission and drivetrain. Information on Driveline Clunk Noise
• 10245951Nov 1, 2014Equipment. Canadian Customers Unable To Place Calls And Turn By Turn Inoperative In The United States.
• 10069250Nov 1, 2014Transmission and drivetrain. Summary to be provided on a future date.
• 10057601Nov 1, 2014Fuel system. General motors: chevrolet express 2010-2015 silverado ,savana sierra equipped with 6.6l duramax diesel engine rpo codes lgh. Duramax fuel injection pump part restriction.
• 10057068Nov 1, 2014Transmission and drivetrain. Chevrolet/gmc: driveline vibrations or shudder feeling are due to friction material wear on faster torque converter clutch when pulling trailers and/or vehicles and exceed target energy input. Model 2010-14 express, savana.
• 10135356Oct 30, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
• 10114328Oct 30, 2014Equipment. This information for Warranty administration - Changes the Service Policy and Procedures Section 1.6.2.11 and now is refered to Article 3.2.9 of the 1st addition manual for details of Technician Identification and Accounting of Labor Time
• 10114320Oct 28, 2014Electrical system. This preliminary bulletin provides a procedure to remove and inspect the clutch select solenoid valve for damage, located in the valve body to correct the customers concern of reduced acceleration at low speeds and trans slip at lauch.
• 10114315Oct 27, 2014Equipment. This information bulletin explains how to measure for oil consumpsion and possible reasons for loss of oil.
• 10114309Oct 23, 2014Visibility (wipers, defrost, mirrors). This informational bulletin explains how to care for wiper blades.
• 10135342Oct 20, 2014Engine cooling. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire.
• 10135337Oct 17, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the existing cellular provider not having roaming agreements in areas outside of Canada to support transmitting of the packet data required for Turn-By-Turn feature to operate. The…
• 10114299Oct 17, 2014Equipment. This informational bulletin provides a quick guide to updating which model vehicle after replacing the IPC.
• 10114296Oct 16, 2014Equipment. This warranty administration bulletin provide policy information of the JOB CARD, for a repair on vehicles and what is acceptable - customer authorization; Service manager approvals and transaction authorization; Details of concern, cause and correction; Labor Time; Technician ID and acoutablity of labor time; Proper documentation and retension of warranty parts; Accurate sublet charges and receipts; Add on…
• 10114294Oct 14, 2014Equipment. This preliminary bulletin provides a procedure to replace the vacuum pump assembly to correct the customers concern of the HVAC vent and floor mode inop.
• 10090450Oct 14, 2014Equipment, Engine. 14096c - emissions recall (revised calibration is now available). 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 indicator lamp will…
• 10114292Oct 13, 2014Electrical system. This preliminary bulletin provides a procedure on how to cold crank test a battery in a vehicle.
• 10135322Oct 10, 2014Engine cooling. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire.
• 10135321Oct 10, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that show an error message when a media disc is installed. Technician will need to check the Regular Production Option Code list to verify if the disc is compatible.
• 10114287Oct 8, 2014Fuel system. This informational bulletin provides information of customer concern of the vehicle has a no start condition, caused from upfitter modifications not properly preparing the ground, causing the LPG fuel pump to lose a ground connection.
• 10114281Oct 6, 2014Fuel system. This informational bulletin states that it no longer valid and refers to a new bulletin.
• 10114280Oct 6, 2014Equipment. This informational bulletin provides information on Inappropriate Warranty Claims Submitted for Damaged Radios and IPCs
• 10056971Oct 1, 2014Fuel system. Gm: 2012-2015 chevrolet express, savana customers are experiencing vehicles not able to start up due to lpg fuel pump inoperating.
• 10056213Oct 1, 2014Engine cooling. Gmc/chevrolet: see document search button for owner letter. If condensation from catalytic converter enters 02 sensor, the temperature changes, suddenly, and will fracture. Model 2011-2013 express, savana. *pe updated 10/10/14. *pe updated 10/15/14. *pe updated 3/24/15.
• 10112259Sep 29, 2014Equipment, Fuel system. 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.
• 10112258Sep 29, 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.
• 10150640Sep 25, 2014Body and structure. This preliminary bulletin provides information and a procedure for repairing rusted frames caused by the wax coating peeling off.
• 10142231Sep 25, 2014Body and structure. This preliminary bulletin provides information and a procedure for repairing rusted frames caused by the wax coating peeling off.
• 10137810Sep 25, 2014Body and structure. This preliminary bulletin provides information and a procedure for repairing rusted frames caused by the wax coating peeling off.

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