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Service bulletins for the 2019 GMC Canyon

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

984 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
N1821935202022-02-14. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM; STRUCTURE; EXTERIOR LIGHTING. Service Update. On a small number of the vehicles identified above, the electrical connector to the transmission valve body solenoids may not be fully seated. DTC P2718 or P2720 may set resulting in the Check Engine indicator illuminating, and the transmission reverting to a ?limp home? mode providing limited forward gear selection. Dealers are to access the transmission valve body solenoids and fully seat the connectors.
N1821935202022-02-07. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Service Update. On a small number of the vehicles identified above, the electrical connector to the transmission valve body solenoids may not be fully seated. DTC P2718 or P2720 may set resulting in the Check Engine indicator illuminating, and the transmission reverting to a ?limp home? mode providing limited forward gear selection. Dealers are to access the transmission valve body solenoids and fully seat the connectors.
PIT58802022-01-24. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This preliminary information serves as a diagnostic aid for a condition where the ignition switch may not rotate all the way back to the lock position when the ignition is turned off and addresses areas to look for resolution.
PIP5628E2022-01-24. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
030310007K2022-01-03. Service bulletin. TIRES; WHEELS. This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires.
030091001H2022-01-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:STEERING. This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.
21NA2782021-12-27. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This service bulletin provides diagnostic strategy information to aid in diagnosing a Ticking, Tap or Rattle Noise from Engine with Possible Misfire, Malfunction Indicator Lamp (MIL) Illuminated.
20NA1712021-12-27. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. This service bulletin provides repair information to correct a customer concern of software issues with Radio Software Version V808.
19NA1532021-12-27. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.
19NA1042021-12-27. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
17NA3942021-12-27. Service bulletin. SUSPENSION. This technical bulletin provides a procedure for lubricating the rear leaf springs and re-torque the bolts to correct a squeak, clunking noise.
20NA1322021-12-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
20NA1102021-12-20. Service bulletin. FUEL SYSTEM, GASOLINE. This service bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.
19NA2562021-12-20. Service bulletin. ENGINE. This service bulletin provides diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine.
18NA0732021-12-20. Service bulletin. ENGINE. This service 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.
PIP58302021-12-13. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This Preliminary information communicates concerns created by an aftermarket ECM calibration installed by fleet companies. The Fleet companies install aftermarket ECM calibrations to limit the vehicle speed to approximately 70 mph and reduce the over all power output. This calibration also reduces the engine idle speed and may induce a vibration at idle. If the vehicle needs to be returned to factory specifications, the ECM must be replaced and programmed.
PIT5790C2021-10-25. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently and that engineering is investigating.
PIT3099U2021-09-13. Service bulletin. EQUIPMENT. 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.
PIT4261G2021-09-13. Service bulletin. TIRES:SIDEWALL. This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
PIP5632E2021-09-13. Service bulletin. EQUIPMENT:ELECTRICAL:ACCESSORY GENERATOR:CONTROLS. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
PIT5790B2021-09-13. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently and that engineering is investigating.
PIT5509H2021-09-13. Service bulletin. AIR BAGS; TRAILER HITCHES; ELECTRICAL SYSTEM. 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 that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
PIC5650J2021-09-13. Service bulletin. POWER TRAIN; AIR BAGS. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
PIT5698B2021-09-13. Service bulletin. ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS. This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
PIT5509H2021-09-13. Service bulletin. ELECTRICAL SYSTEM. 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 that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.