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.

• 10137988Nov 16, 2016Equipment, Engine cooling. This Technical bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
• 10137617Nov 16, 2016Engine cooling, Equipment. This informational bulletin provides information on higher then expected oil consumption.
• 10137623Nov 15, 2016Air bags, Equipment. This technical bulletin provides a procedure to complete a terminal replacement or connector re connection to correct a condition of Diagnostic Information for Supplemental Inflatable Restraint (SIR) System, Intermittent AIR BAG Indicator/Lamp Illuminated with DTC(s) B0012, B0013, B0015, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 or B0044 Set (Inspect and Replace Connector Position Assurance…
• 10114831Nov 15, 2016Equipment, Fuel system, Engine. This Preliminary Information communication provides information to the technician about engine block that have a 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.
• 10137624Nov 14, 2016Equipment. This warranty administration bulletin provide policy information on the change in product field action customer reimbursement procedure.
• 10137622Nov 10, 2016Visibility (wipers, defrost, mirrors), Body and structure. This Informational bulletin describes warranty part reviews where door glass had chips or scratches.
• 10137616Nov 9, 2016Equipment, Tires. This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). For vehicles within this warranty period, defective tires will be replaced on a pro rata adjustment basis according to the published distance-based schedule.
• 10137615Nov 7, 2016Equipment, Tires. This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
• 10114824Nov 7, 2016Electrical system. 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 contact General Motors Technical Assistance Center with the scan tool data from the OnStar system.
• 10137621Nov 4, 2016Equipment, Fuel system. This informational bulletin provides information for maintenance cleaning of the fuel injectors.
• 10137620Nov 3, 2016Fuel system, Equipment. This informational bulletin provides information for maintenance cleaning of the fuel injectors.
• 10137619Nov 2, 2016Equipment, Fuel system. This Informational Bulletin provides information on availability of Diesel Fuel additives.
• 10137618Nov 2, 2016Fuel system, Equipment. This Informational Bulletin provides information on available Diesel Fuel Additives.
• 10119070Oct 28, 2016Engine cooling. This Preliminary Information communication provides information to the technician that some vehicle may have an ?Exhaust Fluid Quality Poor? on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid quality related concerns. Technician will inspect the diesel exhaust fluid for contamination.
• 10135240Oct 27, 2016Fuel system. This informational bulletin provides information for maintenance cleaning of the fuel injectors.
• 10135255Oct 26, 2016Fuel system. This technical bulletin provides a procedure to clean and repair the complete fuel system due to dirt getting into the fuel system causing the vehicle to have a hard or no start.
• 10119062Oct 25, 2016Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will use Global Diagnostic System 2 to review the Firmware Over-the-Air version and the OnStar Customer Identifier and contact General Motors Technical Assistance Center for further assistance.
• 10135290Oct 24, 2016Equipment. This technical bulletin provides a procedure to clear the codes and re-evaluate the XM radio channels to correct a condition of audio muting when listening to some Sirius XM channels but if they change channels they will find others that experience normal audio. This could be due to interference from transmitting sources outside of Sirius XM?s frequency range.
• 10135238Oct 19, 2016Equipment. This Bulletin has been Revised to add the 2017 Colorado, Cruze, Canyon, Chevrolet & GMC Light/Medium Duty Trucks. Please discard Corporate Bulletin Number 03-06-04-071I
• 10135239Oct 13, 2016Equipment. This warranty administration bulletin provide policy information on required operating procedures.
• 10135237Oct 13, 2016Equipment. Battery Testing and Warranty Replacement Requirements (North America ONLY)
• 10135236Oct 13, 2016Electrical system. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
• 10135242Oct 12, 2016Electronic stability control. This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
• 10130605Oct 11, 2016Fuel system. 14652A-Special Coverage. On some vehicles a malfunction-indicator light (MIL) may illuminate due to an offset in the temperature sensor in the diesel-emission-reduction fluid (DEF) tank reservoir, increased tank-heater resistance, or reductant-system performance. If this condition occurs within the stated terms, dealer will replace the DEF tank reservoir and/or supply module pump.
• 10135241Oct 9, 2016Fuel system. This informational bulletin provides information on the top tier fuels that are recommended in GM vehicles.
• 10135274Oct 7, 2016Transmission and drivetrain. This Bulletin provides guidelines for Dealers to determine whether or not they need to contact the PQC for an engine, transmission or transfer case assembly replacement and information explaining the PQC process, Global Warranty Management Transaction submission, vehicle repair record retention and proper handling of assembly returns.
• 10135243Oct 7, 2016Equipment. This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
• 10135244Oct 5, 2016Equipment. This Informational Bulletin provides information for customers to report Missing or Inaccurate navigation Radio Map Disc information.
• 10119013Oct 3, 2016Engine. This Preliminary Information communication advises the technician that the parts restriction has ended on the 6.6L Duramax engine Regular Production Option Code (LML/LGH) part number 12638502. Dealer can now order parts through the normal Customer Care and Aftersales parts process.
• 10118917Sep 30, 2016Equipment. This Warranty Admin bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.
• 10118916Sep 30, 2016Equipment. This warranty administration bulletin provide policy information on warranty and policy exchange program for electronic products for U.S. and Canada dealers only.
• 10118913Sep 30, 2016Equipment. This warranty administration bulletin provide policy information for courtesy transportation and roadside assistance programs.
• 10118912Sep 30, 2016Equipment. This informational bulletin provides information on return or reimbursement of customer owned CDs, DVDs or Navigation Discs .
• 10118907Sep 30, 2016Tires. This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
• 10099532Sep 30, 2016Engine. This preliminary information communication advises the technician about the calculation and operation of the engine oil life monitor. The monitor calculates the percent of oil life remaining, based on 3 pathways. The first pathway for oil life calculation is engine revolutions. The second pathway for oil life calculation is the mileage form the last rest for all general motors powertrains except the volt. The third…
• 10118919Sep 27, 2016Equipment. This warranty administration bulletin provides information on Goodwill Tools, Customer Enthusiasm, and Policy Guidelines.
• 10118918Sep 27, 2016Equipment. This warranty nonadministrative bulletin provides information on the proper use of the labor op 0600014.
• 10097102Sep 26, 2016Equipment. This preliminary information communication provides information to the technician that general motors and general motors of canada company do not support cross border sales. The general motors of canada customer care centre is the sole authorized provider of a certification confirmation letter which helps our customers identify if their vehicles meets the required usa regulatory standards necessary for importation…
• 10099460Sep 23, 2016Engine cooling, Engine. This preliminary information communication advises the technician that the 6.6l duramax, regular production option code lml/lgh, engine part number 12638505 parts restriction has ended. Dealer can order parts through the regular customer care and aftersales parts process.
• 10118915Sep 22, 2016Equipment. This informational bulletin provides information on Inappropriate Warranty Claims Submitted for Damaged Radios and IPCs
• 10118910Sep 22, 2016Equipment. This informational bulletin provides information on new tools used for the Hem Flanges and how to repair and seal the flanges when the repairs are done.
• 10100046Sep 21, 2016Brakes, Engine, Transmission and drivetrain, Electrical system. 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.
• 10118979Sep 19, 2016Engine cooling. 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. (New models and RPOs added)
• 10118908Sep 19, 2016Equipment. This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).
• 10100030Sep 19, 2016Exterior lighting. This preliminary information communication provides information to the technician about vehicles proper operation of the stop and/or turn signals. For vehicles without regular production option code v4d circuit 618 is for the left stop and turn signal and circuit 619 dark green is for the right stop and turn signal. For vehicles with regular production option code v4d circuit 618 yellow is for the left turn signal…
• 10118914Sep 16, 2016Electrical system. This informational bulletin explains the programming method quick reference guide for the IPC Odometer.
• 10118978Sep 14, 2016Electrical system. This preliminary bulletin provides a procedure to install adhesive back stock to the electrical connector for the steering wheel position sensor, to eleminate the excessive clearance/movement that causes the connector to loose contact and turns the Service Stabilitrak message on.
• 10118909Sep 14, 2016Tires. This GM of Canada New Vehicle Tire Warranty Program and GWM Transaction Submission Information Bulletin provides information for the new tires that the vehicle are equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage) and for vehicles within this warranty period, the defective tires will be replaced on a pro rata…
• 10098081Sep 14, 2016Electrical system. This preliminary information communication provides information to the technician about vehicles that have an onstar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down remove power to the onstar module for five minutes. After the power has been removed for five minutes, if the onstar system is working release the vehicle.
• 10097132Sep 14, 2016Electrical system, Equipment. This preliminary information communication provides information to the technician about vehicles that have an onstar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down remove power to the onstar module for five minutes. After the power has been removed for five minutes, if the onstar system is working release the vehicle.

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