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Electrical system

2020 Buick Encore Electrical problems

Owners have filed 4 complaints about the 2020 Buick Encore's electrical system with NHTSA - 21% of all its complaints, most recently on May 10, 2024. Dead batteries, warning lights, wiring, alternators, infotainment and electronic module failures.

Complaints
4
Recalls
0
Crashes
0
Fires
0
Injuries
0
Deaths
0

Electrical complaints

Electrical systemFuel system

Imthe original owner and purchased the car new 4 years ago. At 89,000 miles, the check engine light came on indicating codes for emission controls not working efficiently. Later additional codes indicated problems with the fuel evaporator. The car started having problems every time I filled up the gas tank it would stall, hesitate and have problems starting shortly after the fill up. Problem also occurred if I let the fuel level run down to 1 gallon when the reserve indicator light came on the fuel tank. So now I...

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fill up when I reach a quarter tank. Steady driving for at least 10 minutes would clear the problem temporarily. Car hesitates, stalls and misfires when going uphill, steep hills and also when coming to full stop Such as a red light. Later additional problem of car hesitating and misfiring during acceleration. I have replaced the spark plugs and ignition coil. No change noticed. Awaiting mechanic diagnosis. This problem seems very similar to another complaint filed under NHTSA ID 11548946 in October 2023

Filed Incident Electrical system · Fuel / propulsion systemNHTSA 11588190
Electrical system

I have to constantly jump start my vehicle. Took it to the dealers and they stated there is nothing wrong with the battery.

Filed Incident Electrical systemNHTSA 11544897
Electrical system

The horn goes off automatically when the car is started. The fuse must be pulled out to stop it. Dash radio and phone not working properly. Cruise control not working.

Filed Incident Electrical systemNHTSA 11457922
Electrical systemAcceleration & cruise control

I was driving on the interstate and the vehicle was in cruise control. It acted as it was accelerating and then the cruise control quit and I lost speed. I regained speed and then it lurched again; the cruise control again went off. When I applied the brake to pull to the side of the road, the engine started to throttle up and accelerate, I had to brake harder to come to a full stop.

Filed Incident Electrical system · Vehicle speed controlNHTSA 11353102

Buick Encore electrical complaints by year

Encore electrical problems, every year

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Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data

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