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.

• 10082823Aug 2, 2016Engine cooling. This informational bulletin explains the use of diesel fuel additives in an engine, are not required unless the customer desires additives to prevent fuel concerns depending on fuel or temperature related conditions.
• 10082814Aug 2, 2016Engine. This informational bulletin provides information to gm dealers on the correct cleaning methods when cleaning engine gasket sealing surfaces.
• 10082820Aug 1, 2016Engine. This informational bulletins provides information on the intake manifold inspection/replacement after servere internal engine damage.
• 10082423Aug 1, 2016Engine cooling. This informational bulletin provides additional information about the def use and treatment of the fluid.
• 10126063Jul 12, 2016Engine. This informational bulletin provides information on intake manifold inspection/replacement after severe internal engine damage.
• 10126062Jul 11, 2016Brakes. This informational bulletin provides information on installing the correct tires for vehicles with the condition of under hard acceleration at higher speeds, the traction control light will flash. Or, they may come in for ABS or general handling/braking concerns.
• 10100822Jul 11, 2016Engine. This informational bulletin provides the technician with what may happen to an engine due to lack of maintenance.
• 10089090Jun 30, 2016Brakes. This technical bulletin provides a procedure to replace the power brake booster and fluid cooler inlet and outlet hose to correct a condition of brake hydrobooster leaking power steering fluid.
• 10089322Jun 29, 2016Fuel system. 15823 - customer advisory letter. This communication was to inform dealers that a customer mailing was taking place. The letter informs the customers to inspect for leaks or damage to the fuel filler neck line and/or the cargo tank high pressure flex lines. To address this potential condition, customers are instructed to have a certified cng technician inspect the fuel filler neck line and the cargo tank high…
• 10089121Jun 29, 2016Tires, Equipment. This informational bulletin provides guidance to gm dealers when using gm approved tire force variation measurement equipment.
• 10081864Jun 28, 2016Fuel system, Equipment. This informational bulletin provides information on compressed natural gas (cng) fuel line inspection and replacement part identification.
• 10089222Jun 22, 2016Tires, Equipment. This informational provides information on slight or mild tire feathering and recommended practices.
• 10089229Jun 20, 2016Electrical system. This informational bulletin provodes information on the gm of canada onstar cellular communication upgrade.
• 10089247Jun 10, 2016Equipment. This informational bulletin provides information on the proper use of floor mats.
• 10089201Jun 8, 2016Equipment. This warranty administration bulletin provides policy information on using gm service policies and procedure manual that represent key gm requirements for service operations.
• 10126060May 27, 2016Electrical system. 15801A - Customer Satisfaction Program. This bulletin is being revised to add a note at the beginning of the Service Information section. The 2016 model year GMC Sierra HD vehicle, and an increase in population has also been added. Vehicles equipped with Duramax Diesel Engine (RPO LGH or LML) and Ambulance Upfitter or Fire Truck Upfitter (RPO YF2 or ANM), may have a condition in which the emission control system as…
• 10126051May 16, 2016Engine, Electrical system. 15801 - Customer Satisfaction Program. (2012 model year repair suspended) Vehicles equipped with Duramax Diesel Engine (RPO LGH or LML) and Ambulance Upfitter or Fire Truck Upfitter (RPO YF2 or ANM), may have a condition in which the emission control system as designed will limit speed under certain conditions. The EPA has approved General Motor?s request to remove the emission control system speed limitations on…
• 10078876May 11, 2016Brakes. This preliminary information communication advises the technician that the hydro-boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
• 10078571May 1, 2016Equipment. This informational bulletin provide information on the product quality center (pqc) assembly replacement process.
• 10078569May 1, 2016Fuel system, Other or unknown. This informational bulletin provides information on vehicles designed to operate on gaseous fuels.
• 10078568May 1, 2016Transmission and drivetrain, Equipment. This informational bulletin provides information on how to inspect the upper valve body to determine the correct rpo usage to correct a concern that after installation of a replacement upper valve body, the transmission may have no reverse and no 2nd gear due to the installation of the incorrect upper valve body.
• 10083898Apr 27, 2016Equipment, Electrical system. This preliminary information communication advises the technician if unable to place an onstar call in the ignition on mode after the onstar canada upgrade, to contact the gm technical assistance center onstar group for further assistance.
• 10083513Apr 27, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of receiving frequent "off route" messages while following turn by turn (tbt) route navigation. The technician is provided instructions for resetting the vehicle communication interface module for this concern.
• 10078745Apr 27, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of receiving frequent "off route" messages while following turn by turn (tbt) route navigation. The technician is provided instructions for resetting the vehicle communication interface module for this concern.
• 10083781Apr 22, 2016Electrical system. This preliminary information communication advises the technician on the steps to diagnose the concern, and the steps to repair the concern of the vehicle cranks but does not start. The technician is to inspect for a sheared cam pin in the engine.
• 10083509Apr 21, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern. The vehicle's xm radio only has xm preveiw channels.
• 10083482Apr 21, 2016Equipment. This preliminary information communication advises the technician to diagnose the concern and the steps to repair the concern. The vehicle's xm travel link may be inopertive.
• 10078522Apr 20, 2016Equipment. "this technical bulletin provides a procedure to contact onstar for hard mute request to correct a customer concern when the radio is on, it does not mute enough when the onstar® turn-by-turn navigation directions are announced due to customer improperly setting the radio volume high enough when the turn-by-turn navigation messages are played. "
• 10078520Apr 20, 2016Electrical system. This informational bulletin provides information that may be useful on diagnosing batteries that have set for a long period of time and/or set in cold weather climates and testing those batteries.
• 10083884Apr 19, 2016Equipment. This preliminary information communication advises the technician on the steps for diagnosing the concern. The vehicle may be unable to connect to onstar using the white, blue or red onstar buttons.
• 10083489Apr 19, 2016Equipment. This preliminary information communication advises the technician the steps on repairing the concern. A customer may identify a concern of unable to reactivate a vehicle's onstar that has been previously disabled by onstar. Dealer is to call general motors technical assistance center for further assistance if the concern is still present.
• 10083484Apr 19, 2016Electrical system. This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the onstar system.
• 10078735Apr 19, 2016Electrical system. This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the onstar system.
• 10078734Apr 19, 2016Electrical system. This preliminary information communication advises the technician the steps on repairing the concern. A customer may identify a concern of unable to reactivate a vehicle's onstar that has been previously disabled by onstar. Dealer is to call general motors technical assistance center for further assistance if the concern is still present.
• 10078507Apr 18, 2016Electrical system, Equipment. This warranty administration bulletin provide policy information on using the el-50313 midtronics gr8 battery tester/charger for diagnosing battery replacements and maintaining batteries on new vehicles in dealer inventory.
• 10078506Apr 18, 2016Electrical system. This informational bulletin provides warranty information on using the service programming system (sps) for programming control modules
• 10078505Apr 18, 2016Equipment. This technical bulletin provides a procedure to replace the affected cng tank valve to correct a customer concern of cng gas venting, leaking, or releasing during extreme cold temperatures and/or during refueling due to cold temperatures along with the cooling effects of the refueling process.
• 10078504Apr 18, 2016Engine. This informational bulletin provides information internal engine noise or damage after oil filter replacement
• 10078502Apr 15, 2016Equipment. This warranty administration bulletin provides information on gm’s policy on performing gm covered vehicle services and maintenance on vehicles originating/sold in canada.
• 10078770Apr 12, 2016Engine cooling, Equipment. 15801 – customer satisfaction program. Vehicles equipped with the duramax diesel engine option and the ambulance upfitter or fire truck upfitter option may have a condition in which the emission control system as designed will limit speed under certain conditions. The epa has approved general motor’s request to remove the emission control system speed limitations on these emergency vehicles where applicable.
• 10078481Apr 12, 2016Equipment. This informational bulletin provides information on the purpose of magnetic drain plugs.
• 10078472Apr 12, 2016Visibility (wipers, defrost, mirrors). This informational bulletin provides information on a normal condition on tempered glass of spots showing on the rear and side windows when the vehicle is in the sunlight.
• 10083900Apr 8, 2016Equipment, Electrical system. This preliminary information communication advises the technician, if unable to place an onstar call in the ignition on mode after the onstar canada upgrade to contact the gm technical assistance center onstar group for further assistance.
• 10078435Apr 7, 2016Equipment, Body and structure. This preliminary informational bulletin provides information that may be helpful when addressing underbody component corrosion with customers.
• 10083512Apr 5, 2016Visibility (wipers, defrost, mirrors), Equipment. This preliminary information communication advises the technician the steps on diagnosing the concern. Vehicle's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10078604Apr 5, 2016Electrical system, Body and structure, Visibility (wipers, defrost, mirrors). This preliminary information communication advises the technician the steps on diagnosing the concern. Vehicle's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10248430Apr 1, 2016Electrical system. Emergency Vehicle Reduced Power
• 10078820Apr 1, 2016Suspension. This technical bulletin provides a procedure to replace the rear spring shackles to correct a customer concern of a noise.
• 10078434Apr 1, 2016Transmission and drivetrain. This informational bulletin provide information on the operating characteristics of a manual transmission.
• 10078430Apr 1, 2016Steering. "this technical bulletin provides a procedure to inspect the steering gear for a normal condition of grease or sealant on exterior case of gear due to the manufacturing process."

← All problems reported for the 2011 Chevrolet Express