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
| 19NA213 | 2019-11-25. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of Service Calibration for Service ESC and/or Service Park Brake Messages. |
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| 19NA055 | 2019-11-25. Service bulletin. EQUIPMENT. This technical bulletin provides repair information to correct a customer concern of a accessory front floor liner warped, bent inward. |
| 990420002K | 2019-11-25. Service bulletin. POWER TRAIN. This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations. |
| 100089009C | 2019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on key code security and information on GM key code look up applications. |
| 100089006G | 2019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only). |
| 010601011K | 2019-11-25. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. |
| 010089010N | 2019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). |
| 19NA237 | 2019-11-25. Service bulletin. FUEL SYSTEM, DIESEL. This informational bulletin explains how to identify possible DEF contamination. |
| 19NA235 | 2019-11-25. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. This technical bulletin provides repair information to correct a customer concern of hearing a rattle or ticking noise coming from the B-pillar area. |
| 18NA359 | 2019-11-25. Service bulletin. POWER TRAIN. This informational bulletin advises the tech of a possible normal condition caused when the transmission performs a 1-2 upshift at light throttle and why the D in the PRNDL will flash. |
| 18NA306 | 2019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). |
| 16NA338 | 2019-11-25. Service bulletin. POWER TRAIN. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns. |
| PIT5718 | 2019-11-12. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates a terminal issue at the K77 Remote Control Door Lock Receiver causing No Fob Detected message, Keyless Entry inoperative or Service Tire Monitor message. |
| PIP5496B | 2019-11-12. Service bulletin. FUEL SYSTEM, GASOLINE. This Preliminary information communicates an issue inside the fuel tank where the fuel vent hose may be disconnected from the fuel pump module assembly and recommended repair procedures. |
| PIT5675C | 2019-11-12. Service bulletin. STEERING. This preliminary information is created to make the service technician aware of a condition where the ground for the steering module may not have a sufficient ground path. |
| PIT5551E | 2019-11-12. Service bulletin. FORWARD COLLISION AVOIDANCE. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". |
| 030604017N | 2019-10-28. Service bulletin. FUEL SYSTEM, DIESEL. This Informational Bulletin provides information on availability of Diesel Fuel additives. |
| 17NA073 | 2019-10-28. Service bulletin. EQUIPMENT. This warranty administration bulletin provides information regarding the field action courtesy transportation policy. |
| 19NA213 | 2019-10-28. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of Service Calibration for Service ESC and/or Service Park Brake Messages. |
| PIP4670H | 2019-10-15. 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. |
| PIT5551E | 2019-10-15. Service bulletin. FORWARD COLLISION AVOIDANCE. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". |
| PIT5481E | 2019-10-15. Service bulletin. STEERING. This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Starting with 2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded. |
| PI0592E | 2019-09-23. Service bulletin. ELECTRICAL SYSTEM. This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes E4398, E4399, E4403, M4404, M4413, E4414, E4423, E4491 or E6961). |
| 130089008B | 2019-09-23. Service bulletin. EQUIPMENT. This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC. |
| 080730026F | 2019-09-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.