Service bulletins for the 2020 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.
862 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 21NA114 | 2021-07-19. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE. This technical bulletin provides repair information to correct a customer concern of Fuel Gauge accuracy issues. |
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| 21NA108 | 2021-07-19. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING. This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. |
| 20NA159 | 2021-07-19. Service bulletin. EQUIPMENT. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). |
| 19NA256 | 2021-07-19. Service bulletin. ENGINE. This service bulletin provides diagnostic aid procedure 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. |
| 19NA044 | 2021-07-19. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. |
| 18NA307 | 2021-07-19. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure to locate and repair a possible short in the wiring harness located at the camshaft cover or the cylinder head. |
| 18NA306 | 2021-07-19. Service bulletin. EQUIPMENT. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). |
| 21NA124 | 2021-07-06. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set. |
| 21NA114 | 2021-07-06. Service bulletin. FUEL SYSTEM, GASOLINE. This technical bulletin provides repair information to correct a customer concern of Fuel Gauge accuracy issues. |
| 21NA108 | 2021-07-06. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING. This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. |
| 20NA159 | 2021-07-06. Service bulletin. TIRES. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). |
| 19NA256 | 2021-07-06. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides diagnostic aid procedure 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. |
| 19NA044 | 2021-07-06. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. |
| 18NA307 | 2021-07-06. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to locate and repair a possible short in the wiring harness located at the camshaft cover or the cylinder head. |
| 18NA306 | 2021-07-06. Service bulletin. EQUIPMENT. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). |
| PIT5839A | 2021-06-14. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; EQUIPMENT. This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution. |
| PIP5257E | 2021-06-14. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Technician will need to inspect the oil cooler if equipped for possible leaking into the cooling system through the radiator. If no issue found replace the engine as well as all rubber coolant hoses. Also updated to include ALL HFV6 engines Gen1 and Gen2. |
| 070089036J | 2021-06-07. Service bulletin. EQUIPMENT. This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures. |
| 050308002I | 2021-06-07. Service bulletin. SUSPENSION. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. |
| 020089002T | 2021-06-07. Service bulletin. EQUIPMENT. This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). |
| 000601026N | 2021-06-07. Service bulletin. ENGINE. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. |
| 21NA105 | 2021-05-24. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Engine Control Module Calibration for DTC P0171 and P0174 Set. |
| 21NA104 | 2021-05-24. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Engine Control Module Calibration for DTC P050D Set. |
| 21NA103 | 2021-05-24. Service bulletin. EQUIPMENT. This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition. |
| 21NA068 | 2021-05-24. Service bulletin. EQUIPMENT:ELECTRICAL. This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ (U.S. Only). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.