2020 Hyundai Sonata Electrical System Problems
NHTSA lists 41 Electrical System complaints for the 2020 Hyundai Sonata, 23% of the year's 178 total complaints, with a median failure mileage of 10,000. A related recall (20V213000) covers a Remote Smart Parking Assist software issue.
- Electrical System complaints
- 41
- 23% of 178
- Crashes reported
- 2
- Fires reported
- 0
- Injuries reported
- 0
- Median mileage
- 10,000 mi
- Related recalls
- 1
Typical electrical symptoms owners report
- Vehicles unexpectedly shift into a safe mode and lose power while driving at highway speeds.
- The Remote Smart Parking Assist feature can move the car into reverse on its own while parked, without driver input.
- After firmware updates, the pushbutton transmission responds with a noticeable delay to driver input.
- Fuel gauge readings lag for days when refueling, showing inaccurate levels compared to the actual tank amount.
- Warning lights (brake, engine) appear along with sudden loss of power or deceleration while driving.
- The AC blower motor fails and draws excess current, melting fuses and damaging the wiring harness and fuse box.
When 2020 Hyundai Sonata electrical complaints were filed
First complaint Feb 6, 2020, latest Sep 7, 2026.
Electrical System recalls for the 2020 Hyundai Sonata
- NHTSA 20V213000Apr 9, 2020Electrical System11,870 vehicles
Electrical system:software
Hyundai Motor America (Hyundai) is recalling certain 2020 Nexo and Sonata vehicles. The Remote Smart Parking Assist (RSPA) software may fail to prevent vehicle movement upon detection of an RSPA system malfunction.
Risk: Unintended vehicle movement increases the risk of a crash.
Remedy: Hyundai will notify owners, and dealers will reprogram the RSPA software, free of charge. The recall began June 3, 2020. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 191.
Electrical System complaints by Sonata model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How many electrical complaints does NHTSA have for the 2020 Hyundai Sonata?
- NHTSA lists 41 Electrical System complaints for the 2020 Sonata, which is 23% of the 178 total complaints filed for that model year.
- Is there a recall for the 2020 Hyundai Sonata's electrical system?
- Yes. Recall 20V213000 addresses a Remote Smart Parking Assist software issue that may fail to stop the vehicle from moving on its own; dealers reprogram the RSPA software free of charge.
- At what mileage do electrical problems typically show up on the 2020 Sonata?
- The median mileage at failure reported to NHTSA for Electrical System complaints on the 2020 Sonata is 10,000 miles.
- Were there any crashes linked to electrical complaints?
- NHTSA records show 2 crashes associated with Electrical System complaints for the 2020 Sonata, with no reported fires or injuries.
- What kinds of electrical failures do owners describe most?
- Owners describe the vehicle losing power and entering safe mode, the parking system moving the car unexpectedly, transmission response delays after firmware updates, and blower motor fuse failures.