2018 Chevrolet Express Technical Service Bulletins

999 technical service bulletins (TSBs) are on record for the 2018 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.

• 10156999Sep 11, 2017Equipment. 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 call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
• 10159578Sep 7, 2017Electrical system, Equipment. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10159576Sep 7, 2017Engine cooling, Equipment. This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared Message Displayed on DIC, DTC P2463 May Be Set.
• 10159588Sep 6, 2017Engine cooling. This informational bulletin provides information on a Service Emission System Message and/or a Malfunction Indicator Lamp illuminated. This usually occurs after recently filling the DEF tank with the ignition in the on position due to some DEF fill equipment uses pumps that create a high level of temporary aeration of the DEF fluid being dispensed in the tank.
• 10159584Sep 6, 2017Engine, Transmission and drivetrain. This technical bulletin provides a procedure on how to properly identify if there is any aftermarket calibrations loaded on the ECM or and detection of a power up hardware installed.
• 10159582Sep 6, 2017Engine cooling, Fuel system. This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.
• 10156990Sep 6, 2017Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technicians may also contact Partech and/or the Techline Customer Support Center for additional support.
• 10159574Sep 5, 2017Engine. This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
• 10159571Sep 5, 2017Fuel system. This Informational Bulletin provides information on availability of Diesel Fuel additives.
• 10140379Aug 31, 2017Engine. This informational bulletin provides information for specification with the engine oil for the Duramax 6.6L engine.
• 10140376Aug 31, 2017Engine cooling. This technical bulletin provides a procedure to replace the turbocharger for vehicles with a condition of Turbocharger Whine Noise due to the blades on the turbo being bent.
• 10140375Aug 31, 2017Engine cooling. This technical bulletin provides to the technician a possible issue with the NOx sensor wiring harness and what to do if corrosion is found.
• 10140372Aug 31, 2017Engine cooling. This informational bulletin advises the technician to test the induction system for leaks for any of the codes listed.
• 10140369Aug 31, 2017Engine cooling. This technical bulletin provides a procedure to Tighten the Charge Air Cooler Duct Clamp to correct a condition of an oil leak originating from either the inlet or outlet duct of the turbocharger due to the charge air cooler pipe clamp not being tightened properly.
• 10140304Aug 31, 2017Engine 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.
• 10140293Aug 31, 2017Engine cooling. This informational bulletin provides information on Intake Manifold Inspection/Replacement After Severe Internal Engine Damage.
• 10140298Aug 30, 2017Equipment. The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
• 10140406Aug 23, 2017Equipment, Body and structure. Thins informational bulletin provides information on Paint-less Dent Repair Process.
• 10140295Aug 22, 2017Electrical system. This informational bulletin provides information on OnStar® VCIM is currently restricted parts. By working closely with our dealers and technicians, through the part restriction process, the General Motors team will gain a better understanding of any field concerns that may develop.
• 10137727Aug 21, 2017Engine. This Preliminary Information communication provides information to the technician about engine block of 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.
• 10137722Aug 16, 2017Equipment. The PI was created to advise of an engineering investigation for a concern of unable to connect toOnStar Virtual Advisor when selecting "New Destination" in the OnStar menu.
• 10140374Aug 9, 2017Equipment. This informational bulletin provides information for the service parts identification (SPID) label replacement.
• 10137705Aug 9, 2017Equipment. This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Technician should use the Preliminary Information to gather information from the customer on their Bluetooth device and the concern they are having before calling General Motors Technical Assistance Center.
• 10140296Aug 7, 2017Equipment. This warranty administration bulletin provide policy information on required operating procedures.
• 10140297Aug 2, 2017Equipment. This warranty administration bulletin provide policy information on warranty and policy exchange program for electronic products for U.S. and Canada dealers only.
• 10126081Jul 31, 2017Equipment. This informational bulletin explains the Road Force balancers and what they can do for customer concerns.
• 10126078Jul 31, 2017Equipment. This informational bulletin provides information for dealers/technicians on timely and proper removal of temporary Paint Guard Film (PGF) which may have been applied to new, unsold vehicles in dealer stock.
• 10126113Jul 25, 2017Electrical system. This informational bulletin provides information on Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application and where to locate the information for future use.
• 10126068Jul 25, 2017Electrical system. This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off.
• 10126065Jul 25, 2017Equipment. This warranty administration bulletin provide policy information on required operating procedures.
• 10126111Jul 24, 2017Electrical system. This informational bulletin provides to the tech the new version of SPS that will prompt warnings when trying to reprogram modules that have been already reprogrammed.
• 10126067Jul 21, 2017Body and structure. This informational bulletin advised the dealer to remove the protective film from the bumpers and how to clean/remove the adhesive.
• 10126100Jul 17, 2017Wheels. This informational bulletin provides information on mcgard wheel locks and if the key ever fractures that they will replace it via the website provided.
• 10137665May 23, 2017Equipment. This informational bulletin explains the Road Force balancers and what they can do for customer concerns.
• 10137600May 22, 2017Wheels. This informational bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
• 10137680May 19, 2017Brakes. This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on.
• 10137601May 17, 2017Engine. This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on engine surfaces.
• 10137605May 15, 2017Equipment. This informational bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
• 10137640May 10, 2017Transmission and drivetrain. This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
• 10137635May 10, 2017Fuel system, Equipment. This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.
• 10137602May 4, 2017Equipment. This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
• 10137603May 2, 2017Equipment. This warranty administration bulletin provide policy information on required operating procedures.
• 10138086Mar 29, 2017Suspension. This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.
• 10138087Mar 17, 2017Steering. This preliminary information bulletin provides information for diagnosing a power steering fluid leak at the fluid reservoir.
• 10138060Mar 15, 2017Equipment. This warranty administration bulletin provides policy information with the field action courtesy transportation policy.
• 10138025Mar 13, 2017Steering. This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
• 10138054Mar 10, 2017Electrical system. This informational bulletin provides information on On rare occasions, a security code input message with SPS error code E5659, M5304, and/or M5530 may be displayed in TIS2web when the technician is programming any module. If this concern is encountered, the technician should start by ensuring that the module being programmed is not a used module and that the VIN matches on VIN plate, TIS2web programming screen…
• 10138053Mar 9, 2017Transmission and drivetrain. This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
• 10138014Mar 7, 2017Equipment. This information bulletin explains the labor operation numbers used for submitting warranty claims and how to setup, and reprogram modules.

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