2017 GMC Terrain Transmission & Powertrain Problems
NHTSA lists 23 Transmission & Powertrain complaints for the 2017 GMC Terrain, 17% of all 133 complaints filed for that year. Median mileage at failure is 46,580 miles. No related recalls are listed for this component.
- Transmission & Powertrain complaints
- 23
- 17% of 133
- Crashes reported
- 0
- Fires reported
- 0
- Injuries reported
- 0
- Median mileage
- 46,580 mi
- Related recalls
- 0
Typical transmission symptoms owners report
- Owners describe a delayed, harsh shift around 20 mph where torque drops off, the engine revs high, then a big jolt hits when the transmission finally engages the next gear.
- Some report the transmission jerking at low speeds with a loss of power, with dealers telling them a full transmission replacement or rebuild was needed.
- A cluster of complaints describe a frozen or clogged PCV valve in cold weather that builds crankcase pressure and blows out the rear main seal, leading to sudden oil loss while driving.
- Several owners report the vehicle unexpectedly entering reduced power mode on the highway, sometimes paired with a low oil pressure warning before the vehicle had to be towed.
- One complaint describes a transfer case defect that caused a burning smell, grinding noise, and hesitation while driving.
- Another owner reported cruise control disengaging on its own followed by violent shaking and incorrect gear shifts, later diagnosed as needing a new transmission.
When 2017 GMC Terrain transmission complaints were filed
First complaint Nov 1, 2019, latest Jan 21, 2026.
Transmission & Powertrain recalls for the 2017 GMC Terrain
No safety recalls on record for this model year.
Transmission & Powertrain complaints by Terrain model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How many transmission complaints does the 2017 GMC Terrain have?
- NHTSA lists 23 Transmission & Powertrain complaints for the 2017 GMC Terrain, which is 17% of the 133 total complaints filed for that model year.
- Is there a transmission recall for the 2017 GMC Terrain?
- No related recalls are listed in NHTSA data for the Transmission & Powertrain area on the 2017 GMC Terrain.
- At what mileage do 2017 GMC Terrain transmission problems usually appear?
- The median mileage at failure reported to NHTSA for this component area is 46,580 miles.
- What kind of transmission problems do owners report on the 2017 GMC Terrain?
- Owners describe delayed or harsh shifts, jerking at low speed, sudden loss of power on the highway, and some report being told the transmission needed to be rebuilt or replaced.
- Have transmission failures on the 2017 GMC Terrain caused crashes or injuries?
- NHTSA data for this component area on the 2017 GMC Terrain shows 0 crashes, 0 fires, and 0 injuries reported.