2020 GMC Canyon Technical Service Bulletins

861 technical service bulletins (TSBs) are on record for the 2020 GMC Canyon. 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.

• 10174821Apr 14, 2020Exterior lighting. This Preliminary Information communicates the steps on diagnosing the concern of the accessory off road lamps are inoperative after installation.
• 10174820Apr 14, 2020Exterior lighting, Electrical system. This Preliminary Information communicates the steps on diagnosing the concern of the accessory off road lamps are inoperative after installation.
• 10175761Apr 7, 2020Engine, Electrical system. This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
• 10174304Mar 31, 2020Equipment. This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs.
• 10174444Mar 24, 2020Back-over prevention (rear camera). This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards a loud bang and/or grinding type noise heard coming from the rear axle area.
• 10174276Mar 24, 2020Equipment, Electrical system. This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update.
• 10174302Mar 20, 2020Equipment. This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
• 10173714Mar 20, 2020Electrical system, Brakes. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system…
• 10174303Mar 18, 2020Equipment. This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance programs.
• 10173709Mar 18, 2020Brakes. This Preliminary Information communication provides information to the technician that some vehicle may have a water leak into the cabin. Water staining may be seen in the headliner or water may be on the floor. Technician will inspect these areas for water intrusion roof ditch, rear glass, center high mounted stop light, windshield, cowl seam, heater-vent-air conditioning drain tube, pillar area, and the pressure…
• 10173708Mar 17, 2020Electrical system, Brakes. This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely or is induced by the customer.
• 10173707Mar 17, 2020Electrical system, Equipment. This Preliminary Information communicates the steps on diagnosing the concern of the accessory off road lamps are inoperative after installation.
• 10173956Mar 16, 2020Engine cooling. Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2020 Chevrolet Colorado and GMC Canyon vehicles equipped with a performance air intake system. The correct California Air Resources Board (CARB) Executive Order (EO) emissions label may not have been installed. Dealers are to install a new Executive Order (EO) emissions label.
• 10174084Mar 10, 2020Transmission and drivetrain. This technical bulletin provides a procedure to replace the center support housing and low reverse piston seal if found the cause of reverse issues.
• 10174299Mar 6, 2020Equipment. This informational bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
• 10174438Mar 5, 2020Transmission and drivetrain. This engineering information (EI) ends the need for information from the field regarding 8 speed transmission shift quality.
• 10174300Mar 4, 2020Tires. This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires.
• 10173674Mar 4, 2020Electrical system, Transmission and drivetrain. This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the information provided in this document to obtain the internal wiring harness part numbers by application.
• 10174301Mar 3, 2020Equipment. This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
• 10174307Mar 2, 2020Equipment. This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
• 10173416Feb 28, 2020Equipment, Engine. This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules.
• 10173393Feb 28, 2020Equipment, Body and structure. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
• 10172336Feb 28, 2020Engine cooling, Engine. This preliminary information was released to advise of an alternate means of purging the air from the cooling system.
• 10173415Feb 27, 2020Equipment. This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).
• 10173414Feb 26, 2020Equipment, 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.
• 10173418Feb 14, 2020Equipment. This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only).
• 10173417Feb 14, 2020Equipment, Wheels. This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
• 10172773Feb 14, 2020Equipment. This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
• 10172780Feb 13, 2020Equipment, Engine. This technical bulletin provides a procedure to inspect the PCV fresh air and foul air connectors for proper connections.
• 10172784Feb 7, 2020Equipment, Engine. This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
• 10172304Feb 4, 2020Equipment. This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance Center. Dealers will need to contact General Motors Technical Assistance Center for further assistance.
• 10171319Jan 31, 2020Electrical system. This Preliminary information communicates to the technician the vehicle concern of starter flex plate having broken teeth. The can create a noise during starting or may even have the starter spin but not crank over the engine. The document directs the technician to replace the flex plate and the starter assembly.
• 10172294Jan 29, 2020Equipment. This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 10172293Jan 27, 2020Equipment, Wheels. This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.
• 10171875Jan 23, 2020Engine cooling. This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
• 10171300Jan 23, 2020Equipment, Electrical system. This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance Center. Dealers will need to contact General Motors Technical Assistance Center for further assistance.
• 10172285Jan 21, 2020Equipment. This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.
• 10172298Jan 17, 2020Transmission and drivetrain, Equipment. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to 8 speed transmission shift quality.
• 10171888Jan 17, 2020Equipment. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).
• 10171294Jan 17, 2020Transmission and drivetrain, Electrical system. This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the information provided in this document to obtain the internal wiring harness part numbers by application.
• 10171279Jan 14, 2020Transmission and drivetrain. This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the information provided in this document to obtain the internal wiring harness part numbers by application.
• 10171271Jan 13, 2020Equipment. This Preliminary information communicates that the owner's manual may be confusing to a customer in regards to towing the vehicle behind another vehicle.
• 10171267Jan 10, 2020Suspension. This preliminary information suggests the technician verify a noise from the rear is or isn't coming from the rear leaf springs before a service on the springs is performed.
• 10171262Jan 9, 2020Brakes. This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely or is induced by the customer.
• 10171901Jan 2, 2020Equipment, Electrical system. This Technical bulletin provides a procedure for dealers/technicians on Radio Software Version V807 Over-the-Air Update.
• 10171878Jan 2, 2020Equipment, Fuel system. This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
• 10170433Dec 13, 2019Equipment. This Preliminary Infiormation relates to air condition performance issues that can occur if bulletin 19-NA-177 for air conditioning evaporator freeze up is performed on vehicles not in the geographical areas where this can occur.
• 10170498Dec 12, 2019Equipment. This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
• 10170431Dec 11, 2019Body and structure. This Preliminary Information communication provides information to the technician about vehicles that have a hood that may shake or flutter while driving. Technician will need to adjust the hood bumpers for this concern.
• 10170428Dec 11, 2019Brakes. This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely or is induced by the customer.

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