NHTSA campaign 21V486000 · Porsche campaign AMB5

Porsche Recall 21V-486: Software Error Can Cause Loss of Motive Power

Recall influenced by NHTSA's Office of Defects Investigation

NHTSA recall 21V486000 (Porsche campaign AMB5) was reported by Porsche Cars North America, Inc. on June 29, 2021, with 10,373 vehicles potentially affected (per NHTSA). NHTSA's record lists the Porsche Taycan for model years 2020–2021. Owners were notified on July 30, 2021, per NHTSA.

Updated daily from NHTSA's recall files

Is my vehicle included?

This page lists, by model year, the vehicles NHTSA's recall record names for campaign 21V486000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.

To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.

Porsche VIN check: decode a VIN to see its year, make and model.

Key facts

NHTSA campaign: 21V486000 (also written 21V-486 or 21V486)
Filed by: Porsche Cars North America, Inc.
Porsche campaign number: AMB5
Report received: June 29, 2021
Potentially affected: 10,373 vehicles (per NHTSA)
Component: Engine and Engine Cooling — Engine — Engine Control Module (ECU/ECM) — Software
Owners notified: July 30, 2021

Repair completion: 92% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)

NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.

Vehicles listed for this recall

NHTSA's recall record lists these vehicles for recall 21V486000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.

Porsche

Porsche Taycan
- 2020, 2021

All Porsche recalls

NHTSA's recall notice

As NHTSA's recall record states it for campaign 21V486000.

Defect description

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 consequence

A loss of motive power increases the risk of a crash.

Manufacturer 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.

Sources

Official NHTSA notice for recall 21V486000

Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.