Service bulletins for the 2020 GMC Terrain
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.
844 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 19NA181 | 2022-05-31. Service bulletin. ENGINE; ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to locate and repair the engine wiring harness. |
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| 19NA013 | 2022-05-31. Service bulletin. EQUIPMENT; STRUCTURE:BODY:ROOF AND PILLARS. This technical bulletin provides repair information to correct a customer concern of hearing a ticking or popping noise at roof rail assist handle(s). |
| PIC5260E | 2022-05-16. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. |
| PIT5696F | 2022-05-16. Service bulletin. SERVICE BRAKES; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. 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. |
| 22-NA-045 | 2022-05-11. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This technical bulletin provides repair information to correct a customer concern of Air Conditioning Odor During Restart After Auto-Stop. |
| 12-00-89-003B | 2022-05-10. Service bulletin. EQUIPMENT:ELECTRICAL; ENGINE. This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only). |
| 22-NA-065 | 2022-05-06. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to install a CAC and a Grille Cover to correct the customers concern of a Malfunction Indicator Lamp Illuminated or Flashing - DTC P0300 Set When Driving In High Humidity Or In Heavy Rain. |
| 21-NA-182 | 2022-05-06. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT. This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. |
| 22-NA-085 | 2022-05-03. Service bulletin. EQUIPMENT. This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. |
| 22-NA-070 | 2022-05-03. Service bulletin. EQUIPMENT. This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. |
| 01-00-89-010P | 2022-04-29. Service bulletin. EQUIPMENT. This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern. |
| PI0281I | 2022-04-22. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS; STRUCTURE. This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. |
| 21-NA-181 | 2022-04-21. Service bulletin. POWER TRAIN; EQUIPMENT. This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation. |
| PIP4670J | 2022-04-18. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles. |
| PIT5608E | 2022-04-18. Service bulletin. STRUCTURE. This preliminary information explains a potential issue engineering is investigating into water intrusion into the door pass through connector and effecting door functions. |
| PIT3271M | 2022-04-18. Service bulletin. WHEELS; TIRES. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection. |
| 21-NA-169 | 2022-04-15. Service bulletin. POWER TRAIN. This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or history related to the control solenoids and valves. |
| 22-NA-065 | 2022-04-15. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; STRUCTURE:BODY:BUMPERS:ACTIVE SHUTTERS/GRILL. This technical bulletin provides a procedure to install a CAC and a Grille Cover to correct the customers concern of a Malfunction Indicator Lamp Illuminated or Flashing - DTC P0300 Set When Driving In High Humidity Or In Heavy Rain. |
| 01-00-89-010O | 2022-04-08. Service bulletin. UNKNOWN OR OTHER. This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern. |
| 22-NA-074 | 2022-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system. |
| 22-NA-070 | 2022-04-06. Service bulletin. EQUIPMENT. This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. |
| 22-NA-009 | 2022-04-05. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters. |
| 19-NA-076 | 2022-04-05. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear Vision System Message on Radio Display Shifting into Reverse. |
| 18-NA-099 | 2022-04-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. |
| 17-NA-052 | 2022-04-05. Service bulletin. WHEELS; EQUIPMENT. This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.