This 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.
full bulletin at NHTSA ↗2020 Buick Encore GX electrical problems
moderate Owners of the 2020 Buick Encore GX have filed 10 NHTSA complaints about the electrical at roughly $850 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
| Model year | electrical complaints |
|---|---|
| 2020 Encore GX (this page) | 10 |
| 2022 Encore GX | 3 |
| 2023 Encore GX | 4 |
| 2024 Encore GX | 15 |
Among the 5 model years of Buick Encore GX in our records for electrical problems, this one ranks #2 by owner-complaint volume.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This 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.
full bulletin at NHTSA ↗This 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.
full bulletin at NHTSA ↗The 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 diagnostic methods to identify them.
full bulletin at NHTSA ↗This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 3 most recent
When I park the vehicle doesn’t recognize that I switched my gear to park and it won’t let me turn my vehicle off and when I have my foot on the brake it feels like sponginess
The dash shows an error message "Shift to park" whenever I put the car in park. This message last for about 10 minutes or more locking me in the car. The car does not shut off until the error is gone. I have to continue starting up the car, placing it in park, then cutting it off to see if the message is gone.
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.
Common questions
How serious is the electrical problem on the 2020 Buick Encore GX?
It's a documented issue but not catastrophic. 10 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.