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Electrical systemPart report

2021 Toyota Supra Electrical system Problems

Complaints
8about this part
Share
40%of 20 total for the year
Median mileage
53,072miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 8 complaints about the electrical system of the 2021 Toyota Supra, 40% of the 20 complaints for this model year. Where a mileage was given, the median is 53,072 miles. 2 recall campaigns on record are filed under a similar system.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Odometer Fraud. The contact purchased a 2021 Toyota Supra. The contact stated that after obtaining the vehicle's Carfax history report, it was discovered that there was a mileage discrepancy. The vehicle was a private dealer sale. At the time of purchase, the vehicle mileage was 47,764, and after receiving Carfax history report, it was discovered that the mileage was 72,650.”

NHTSA complaint #11662593, filed 2025-05, 72,650 miles

“I own a new 2021 Toyota Supra and along with other owners of this new model, there is a safety issue that has been identified. There is a repeating issue with unresponsive/unpredictable throttle behavior for me and other Toyota Supra owners. It only happens on a cold start, when going in reverse on a slope (exiting the garage) and when traction control gets engaged (the wheel gets in the air for a second due to the curb/slope). After this maneuver either the engine gets stalled or the throttle starts to behave unpredictably. …”

NHTSA complaint #11490226, filed 2022-10

“The contact owns a 2021 Toyota Supra. The contact stated that while attempting to start the vehicle the engine did not immediately start and the message regarding a starter malfunction had displayed. The vehicle was later started and driven to the local dealer who diagnosed that the start needed to be replaced. The vehicle was not yet reparied. The manufacturer was notified of the failure, but no assistance was offered. The contact was informed that the VIN was not included in the NHTSA Campaign Number: 26V056000(ELECTRICAL SYSTEM). …”

NHTSA complaint #11739994, filed 2026-05, 33,493 miles

“Passenger side low beam headlight suddenly stopped working on the highway. Symptoms same as Toyota recall 19TA20, however vehicle is not part of the recall campaign. Vehicle displayed error Right low beam malfunction . Dealership is not willing to investigate under recall coverage.”

NHTSA complaint #11554572, filed 2023-11

“See attached document for complaint. Toyota Motor North America, Inc. has failed or is unable to remedy the safety recall (NHTSA Recall No. 25V-636), issued on 26 September 2025, for my 2021 Toyota Supra within a reasonable period of time. According to the non-dated letter from Toyota, the recall is for a defect in the engine starter relay that may catch fire without warning “during vehicle operation or when the vehicle is parked and the ignition is off” (Toyota Recall No. 25TA09). …”

NHTSA complaint #11728325, filed 2026-03

Related recalls

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2021840%
2020425%
1994114%
1988117%
1987114%

Other parts of the 2021 Toyota Supra

Engine
6 complaintsBrakes
3 complaintsFuel system
2 complaintsOther or unknown
2 complaintsSteering
2 complaintsExterior lighting
1 complaintsTransmission and drivetrain
1 complaintsVehicle speed control
1 complaints

← All problems reported for the 2021 Toyota Supra

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