The 2020 GMC Terrain has 2 safety recalls on file with NHTSA.
Owners have filed 198 complaints with NHTSA, including 7 crashes, 2 fires, 5 injuries.
The most-reported problem area is Service Brakes (65 reports).
2020 GMC Terrain recalls
Child seat LATCH anchors may not fit, risking loose car seats
Excess powder coating on the rear-seat lower LATCH anchorage bars can prevent a child seat from being attached to them.
Missing Transmission Bolts Can Cause Oil Leaks, Fire Risk
Some vehicles may have missing bolts on the start/stop transmission accumulator endcap.
Most common 2020 GMC Terrain problems
Problem areas named in the 198 complaints owners filed with NHTSA.
| Problem area | Reports |
|---|---|
| Service Brakes | 65 |
| Engine | 58 |
| Unknown Or Other | 34 |
| Power Train | 28 |
| Electrical System | 27 |
| Fuel/Propulsion System | 25 |
| Vehicle Speed Control | 11 |
| Forward Collision Avoidance | 8 |
| Service Brakes, Hydraulic | 8 |
| Back Over Prevention | 7 |
What owners report
The contact owns a 2020 GMC Terrain. The contact stated that while driving 45 MPH, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The transmission then sputtered. The vehicle was uncontrollable, the brake pedal was depressed; however, the vehicle failed to stop as intended. The vehicle accelerated and drove through an intersection and the engine seized. The vehicle was towed to an independent mechanic where it was diagnosed with vacuum pump failure. The contact was informed that the vacuum pump needed to be replaced. The contact was advised to contact the dealer. The dealer was contacted and made aware of the failure. The contact was advised to co
While driving at the speed limit the vacuum pump failed on my 2020 GMC Terrain. This failure led to me enter an intersection with heavy cross traffic, nearly striking g several vehicles. This is the 3rd time I have had to replace this pump in 2 years. The pump explodes sending chards of metal into the engine leading to more damage and labor intensive work.
While driving my 2020 GMC Terrain, I experienced a sudden loss of normal braking assistance. I had been traveling on the highway and exited onto a main road. As I approached a red traffic light at approximately 50 mph and attempted to brake, the vehicle would not stop normally. I was unable to stop for the red light and went through the intersection before I was able to safely get the vehicle off the roadway. Fortunately, there was no vehicle directly in front of me and I was able to make it through the intersection before any other cars, so no collision occurred. The vehicle was subsequently inspected and diagnosed by a GMC dealership. A diagnostic scan performed after the incident showed
Having the start stop issue on my terrain and recently over the last few months, it has been using oil everything that sounds exactly like the recall but mine is not included. My start stop is not working and I have to get him since it had only 60,000 miles on it years ago, but nothing was done.
Fuel pump control module and or the in tank fuel pump failed and or isnât making proper connection for car to run correctly. Safety was put at risk as car came to abrupt halt while driving. Driver was outside of vehicle at busy intersection for vehicle diagnostics and battery jump. Battery was removed and new battery installed yet problem persists. Not confirmed by dealer but code is as follows (p129F). Maintenance performed by owner;Code reader used for diagnostics, new battery installed. Problem persists. Car started, drove and stumbled to then die. Check engine now displays.
2020 GMC Terrain questions
Does the 2020 GMC Terrain have any recalls?
Yes. NHTSA lists 2 safety recalls for the 2020 GMC Terrain: Child seat LATCH anchors may not fit, risking loose car seats; Missing Transmission Bolts Can Cause Oil Leaks, Fire Risk. Recall repairs are normally free at an authorized dealer.
What are the most common problems with the 2020 GMC Terrain?
Based on 198 owner complaints filed with NHTSA, the most-reported problem areas are Service Brakes (65), Engine (58), Unknown Or Other (34).
How do I check if a recall on my 2020 GMC Terrain has been fixed?
Enter your 17-character VIN in our VIN recall check. It shows open recalls that have not been repaired on your specific vehicle. Recall repairs are normally free at an authorized dealer.