2020 Buick Encore GX Electrical system Problems
- Complaints
- 16about this part
- Share
- 23%of 70 total for the year
- Median mileage
- 100miles
- Trend
- RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
NHTSA recorded 16 complaints about the electrical system of the 2020 Buick Encore GX, 23% of the 70 complaints for this model year. Where a mileage was given, the median is 100 miles.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I purchased this vehicle 9/25/2020. Recall NHTSA# 20v588 issued 9/24/2020. I was not contacted by dealership who sold vehicle until 9/29/2020. There was an active recall on vehicle. Recall status: incomplete remedy not yet avalable.”
NHTSA complaint #11375689, filed 2020-11, 227 miles“When I purchased this vehicle I noticed squeaking of brakes and problems eccentrically with wipers and back gate light open close light, reported to texian dealer and nothing was done, car of course in motion and moving. Later after complain of problems texan dealer responded to deaf ears, I told them I did not want this vehicle and they would do nothing and never did. I went to another dealer(demontrond Buick) and bk customer service listened to the issues and put new brakes in car, it stills squeaks but not as much as before. …”
NHTSA complaint #11388744, filed 2021-01, 100 miles“Car has less than 30 (thirty) miles on it; garaged since purchase bc of pandemic; started occasionally; battery dead when I tried to go out last week; charged battery; died again; charged again; check engine light alerted onstar, who sent email stating problems w/engine & transmission system, possible issues w/fuel management system, emissions control, misfire condition... Only 30 miles! New car! Just drove home from dealership and parked it. Tried chatting w/Buick customer experience, but they cut me off 3 times over 2 hours, so I gave up that exercise in futility. …”
NHTSA complaint #11415944, filed 2021-05, 30 miles“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“When I put the car in park and go to turn off the car, I'm getting a Shift to Park error when the car is already in park. This error will not allow the car to shut off. I have to shift it back out of gear and then back to park several times before it will recognize that it's in park and allow me to turn off the car.”
NHTSA complaint #11686346, filed 2025-09Related 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.
- 11019017Apr 10, 2025This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
- 11017595Apr 3, 2025This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
- 11017244Mar 31, 2025The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other…
- 11017207Mar 21, 2025This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414…
- 11016948Mar 14, 2025This service bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active Functions Work) but Will Not Crank or Start (Loss of…
- 11017035Mar 13, 2025This service bulletin provides repair information to correct a customer concern of Vehicle Will Not Lock and Unlock (Loss of Active Functions) Crank or Start (Loss of Passive…
- 11016946Mar 13, 2025This service bulletin provides repair information to correct a customer concern of No Crank, No Start, Quick Start/Stall, No FOB Detected, Key FOBs Inoperative, B3924 00, B3925…
- 11017031Mar 12, 2025This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
- 11016943Mar 11, 2025This service bulletin provides a repair procedure to correct a customer concern of start/stop inoperative, MIL illuminated w/DTC P2797.
Electrical system: other model years
Other parts of the 2020 Buick Encore GX
21 complaintsOther or unknown
19 complaintsTransmission and drivetrain
18 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 28, 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