2020 Buick Encore GX Transmission and drivetrain Problems
- Complaints
- 18about this part
- Share
- 26%of 70 total for the year
- Median mileage
- 24,000miles
- Trend
- RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
NHTSA recorded 18 complaints about the transmission and drivetrain of the 2020 Buick Encore GX, 26% of the 70 complaints for this model year. Where a mileage was given, the median is 24,000 miles.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“My 2020 Buick Encore GX is showing a message with accompanying ding ding sounds Shift to Park after I put my car in park. This malfunction will not allow the car to be locked. I see there are many complaints and lawsuits that GM has not attended to. How do we get GM to initiate a recall on something they are and were well aware of.”
NHTSA complaint #11719307, filed 2026-02“I bought this vehicle in 2024, I have been having issues one after another with it, I have taken it to the dealer and all they keep doing if fixing the problem and couple of months it happens again. I am really worried about my safety if I keep driving the vehicle. One problem from the battery to the shift sensor. Thank you”
NHTSA complaint #11616982, filed 2024-09“When parking car in garage, placed vehicle in park, then turned vehicle off, received a message on dash SHIFT TO PARK . The car was in park. Even though the engine was off, it would not allow radio, or lights to shut off until this message goes off. Some times it takes several minutes for message to go out. I have taken to GM dealership, and was told shifter assembly needs replaced ($500). I have learned their currently is a class action suit for this issue at this date.”
NHTSA complaint #11596386, filed 2024-06“For the past several months, my 2020 Buick Encore has been giving me a message to shift to park even though I placed my vehicle to park. This then does not allow my car to shut off, because it believes I am still in drive. I tried making an appointment with the dealership a month ago and their earliest availability was today, 12/10/2024. I took my Buick in, and they wrote me and stated that they figured out the issue and the shifter control would need to be replaced and was not covered under my powertrain warranty. …”
NHTSA complaint #11629850, filed 2024-12“Powder Train When parking the car in garage, placed vehicle in park, then turned vehicle off, received a message on dash SHIP TO PARK . The car was in park. Even thought the engine was off, it would now allow radio or lights to shut off util message goes off. Some times several minutes for it to go out. Taken it to the GM dealer ship was told shifter assembly needs replaced. I have learned their currently is a a class action suit for this issue at this time. My car was under warranty for 5 years and was still under the warranty when this happened to me. …”
NHTSA complaint #11695793, filed 2025-10Related service bulletins
- 11024331Sep 3, 2025This service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in- Park, No Start - DTC B000A Set.
- 11019516Apr 17, 2025This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
- 11016943Mar 11, 2025This service bulletin provides a repair procedure to correct a customer concern of start/stop inoperative, MIL illuminated w/DTC P2797.
- 11014630Feb 25, 2025This Preliminary information communicates information on what dealer technicians should due if they encounter a broken chain on a CVT transmission
- 11013399Jan 29, 2025This Preliminary Information communication advises the technician on possible sources of transmission fluid leaks from the transmission oil filter or cooler line seals .
- 11013244Jan 17, 2025This technical bulletin provides repair information to correct a customer concern of Poor Engine Performance in Extremely Cold Weather Conditions, Charge Air Cooler Icing…
- 11013069Jan 9, 2025This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- 11011864Dec 11, 2024This Preliminary Information communication advises the technician on possible sources of transmission fluid leaks from the transmission oil filter or cooler line seals .
- 11011861Dec 10, 2024This Preliminary information communicates to Technicians how to repair a rattle noise coming from the shift cable assembly.
- 11011989Nov 27, 2024This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
Transmission and drivetrain: other model years
Other parts of the 2020 Buick Encore GX
21 complaintsOther or unknown
19 complaintsElectrical system
16 complaintsEngine
14 complaintsVehicle speed control
6 complaintsFuel system
4 complaintsSteering
4 complaintsAir bags
3 complaintsEngine cooling
2 complaintsForward collision avoidance
2 complaintsBack-over prevention (rear camera)
1 complaintsExterior lighting
1 complaints
← All problems reported for the 2020 Buick Encore GX
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology