NHTSA Recall 21V486000: Software (engine and engine cooling) and software (electrical system)
Porsche Cars North America, Inc. reported this safety recall to NHTSA on , covering an estimated 10,373 vehicles. It affects 2020–2021 Porsche Taycan.
| NHTSA campaign | 21V486000 |
|---|---|
| Manufacturer campaign | AMB5 |
| Components | ENGINE AND ENGINE COOLING › ENGINE › ENGINE CONTROL MODULE (ECU/ECM) › SOFTWARE; ELECTRICAL SYSTEM › PROPULSION SYSTEM › TRACTION MOTOR › CONTROLLER › SOFTWARE |
| Report received | June 29, 2021 |
| Owner notification | July 30, 2021 |
| Initiated by | NHTSA Office of Defects Investigation |
Defect
Porsche Cars North America, Inc. (Porsche) is recalling certain 2020-2021 Taycan Turbo, Taycan Turbo S, Taycan 4S, 2021 Taycan, Taycan Cross Turismo, Taycan Turbo S Cross Turismo, Taycan 4S Cross Turismo, and Taycan Turbo Cross Turismo vehicles. The monitoring software can incorrectly detect a fault and shutdown the power train, causing a loss of motive power.
Safety risk
A loss of motive power increases the risk of a crash.
Remedy
Dealers will reprogram the power electronics and the engine control unit, free of charge. Owner notification letters were mailed July 30, 2021. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AMB5.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Vehicles covered by recall 21V486000
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.