2011 Chevrolet Express Technical Service Bulletins

1,695 technical service bulletins (TSBs) are on record for the 2011 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.

• 10247294Apr 1, 2014Electrical system, Other or unknown. Passenger Side Instrument Panel Performance
• 10245824Apr 1, 2014Suspension. Rear Axle Grinding Noise, Vibration - Inspect Rear Axle
• 10070943Apr 1, 2014Engine cooling. Summary to be provided on a future date.
• 10069957Apr 1, 2014Engine cooling. Summary to be provided on a future date.
• 10067265Apr 1, 2014Electrical system. Summary to be provided on a future date.
• 10067253Apr 1, 2014Equipment. Summary to be provided on a future date.
• 10055840Apr 1, 2014Engine. Gmc/chevrolet: some vehicles/trucks may experience a no cranking or starting, caused by possible excessive leakage from cylinder past exhaust or intake valve, low static compression, sensor is disconnected, or while cranking, valve train fails to move. Model 2009-2014 corvette, camaro, express, ss, silverado, suburban, tahoe, savana, sierra, yukon.
• 10137887Mar 28, 2014Electrical 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
• 10111885Mar 28, 2014Exterior lighting, Electrical system. 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…
• 10061147Mar 27, 2014Electrical system. Summary to be provided on a future date.
• 10061144Mar 26, 2014Electrical system, Air bags. Summary to be provided on a future date.
• 10111875Mar 24, 2014Engine. This Preliminary Information communication provides information to the technician about vehicles that have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Technician will need to clean the area of the oil leak, clean and dry the PCV hoses, and replace the oil fill cap with part number 12589430.
• 10137868Mar 19, 2014Engine cooling. This informational bulletin provides information to the customer to clean the exhaust filter when prompt to or the MIL may come on and the truck DPF system may fail.
• 10061139Mar 18, 2014Electrical system, Air bags. Summary to be provided on a future date.
• 10137866Mar 17, 2014Equipment. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary.
• 10111856Mar 7, 2014Engine. This Preliminary Information communication advises the technician that the 2010 through 2015 6.6L Duramax Diesel Engine Part number 12638502 has been placed on a parts restriction through General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
• 10111850Mar 5, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that when a Canadian customer may comment that when they travel to the United States, they are unable to connect to OnStar or use hands free calling. Dealer can advise the customer that the existing cell phone provider not having roaming agreements in areas outside of Canada.
• 10111849Mar 5, 2014Electrical system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a frequent "off route" messages while following Turn by Turn route. Technicians will need to remove power from the Vehicle Communication Interface Module for one hour and retest for the concern.
• 10111848Mar 5, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles 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.
• 10111846Mar 4, 2014Electrical system. This Preliminary Information communication provides information to the technician about a customer?s request to install OnStar Bluetooth. Dealer should be advised at this time, there are no provisions to add this option to vehicles that were not built with it.
• 10111845Mar 4, 2014Equipment, Electrical system. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an OnStar Turn-By-Turn Navigation the system that is inoperative. Technician verifies there are no Diagnostic Trouble Codes are present in the Antilock Braking System and Vehicle Communication Interface Module of the vehicle. If no Diagnostic Trouble Codes found call OnStar using…
• 10247681Mar 1, 2014Equipment. Information On Requests To Add OnStar Bluetooth Option.
• 10247293Mar 1, 2014Electrical system, Other or unknown. Passenger Side Instrument Panel Performance
• 10246982Mar 1, 2014Electrical system. Checking Smartphone Bluetooth Software Update Status
• 10245950Mar 1, 2014Equipment. Canadian Customers Unable To Place Calls In The United States
• 10073396Mar 1, 2014Equipment. Summary to be provided on a future date.
• 10067252Mar 1, 2014Equipment. Summary to be provided on a future date.
• 10065826Mar 1, 2014Engine cooling. Summary to be provided on a future date.
• 10138651Feb 27, 2014Equipment, Fuel system. This informational bulletin explains the use of diesel fuel additives to remove water or enhance performance.
• 10111966Feb 26, 2014Electrical 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.
• 10111964Feb 26, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have the OnStar system does not respond properly to some numbers and/or voice commands. Dealer should direct the customer to review the operational characteristics in the OnStar Users Guide.
• 10138646Feb 25, 2014Transmission and drivetrain, Engine, Equipment. This informational bulletin provides a process to the service agents that are not required to contact PQC, to determine when to replace a assembly as opposed to repairing and if an engine or transmission is being returned, that it has all the information in relation to that part being returned.
• 10111962Feb 25, 2014Electrical system. This Preliminary Information communication advises the technician that when replacing the camshaft part number 12626660. Technician will need to ensure that the date code and the finish of the camshaft. If the cam is discolored or has chatter marks, have parts department send the cam back as (MR code7) new defective.
• 10111956Feb 24, 2014Engine. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Technician will need to check the valve train for movement when the engine is cranked. If the valve train is not moving while the crankshaft is moving the front cover will need to be removed to inspect for a sheared cam sprocket locator pin. If the cam…
• 10138640Feb 21, 2014Visibility (wipers, defrost, mirrors). This warranty bulletin explains how to determine if an outside mirrior was damaged by the customer and what is considered warranty and non-warranty.
• 10138639Feb 21, 2014Equipment, Wheels. This informational bulletin provides the technician the proper way to install and torque the wheel.
• 10138638Feb 21, 2014Wheels. This informational bulletin explains how to balance a chrome wheel without damaging the chrome face of the rim.
• 10138637Feb 21, 2014Wheels, Equipment, Tires. 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.
• 10138631Feb 18, 2014Tires, Wheels. This technical bulletin provides a procedure on cleaning a leaking rim, to correct a customers concern of having a slow tire leak and low tire psi message on.
• 10138630Feb 18, 2014Equipment, Tires. This informational bulletin explains the use of Nitrogen in GM tires.
• 10138629Feb 18, 2014Tires. This bulletin provides information regarding the normal tire wear condition of slight or mild tire feathering and recommended practices.
• 10138621Feb 17, 2014Equipment. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary.
• 10138619Feb 14, 2014Engine cooling. This preliminary information bulletin provides a procedure to repair the joint being loose or out of position for the turbocharger to turbocharger exhaust pipe or turbocharger exhaust pipe exhaust downpipe connection, to correct the customers concern of Exhaust Leak or Vibration/Rattle Noise at Approximately 900 RPM, Fuel Smell, White Smoke, Oily Substance on Exhaust Downpipe.
• 10138618Feb 14, 2014Body and structure. This preliminary bulletin provides a procedure to replace the door handle rod clips to correct the customers concern of the outside door handles wont open the door.
• 10111928Feb 12, 2014Fuel system, Engine. This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Engine Part number 12638502 has been 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.
• 10111927Feb 12, 2014Brakes, Fuel system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Technician will need to review Techlink article from May 2013 titled "Using the Evaporative Emissions System Tester" Technician will need to follow these steps to help diagnose the issue. First after the P0442…
• 10138609Feb 10, 2014Equipment. The informational bulletin provides a procedure to remove and repair rust from a Hem Flange.
• 10138606Feb 10, 2014Visibility (wipers, defrost, mirrors), Equipment. This warranty administration bulletion provides the dealer technician information and guidelines for claiming a windshield.
• 10138605Feb 10, 2014Equipment. This technical bulletin provides a procedure to correct the customers concern of odor coming from the Air conditioning.
• 10138601Feb 6, 2014Equipment, Transmission and drivetrain. This preliminary informational bulletin provides a procedure to inspect the transmissions filter for splits or cracks to correct the customers concern for no forward, reverse or slips.

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