2021 Porsche Taycan electrical system problems
37 owner complaints filed with NHTSA name the electrical system on the 2021 Porsche Taycan — 54% of all complaints for this model year.
What owners report
“There are currently hundreds (if not thousands) of cars, operating on roads of USA, that at any particular time stop in the middle of the road. The power is cut off and Engine Control Error is displayed on the monitor. This issue has been described many times on Reddit, under Taycan-Engine Control…”
filed Mar 20, 2026
“The vehicle’s battery module became defective and would not accept or hold a charge. When attempting to charge the vehicle using standard charging equipment, the battery system repeatedly failed to initiate or complete the charging cycle. The vehicle displayed charging error messages and/or failed…”
filed Feb 27, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- High-voltage battery may experience a short circuit within the battery moduleCampaign 24V732000 · Oct 1, 2024
- High-voltage battery may experience a short circuit within the battery moduleCampaign 24V731000 · Oct 1, 2024
- High-voltage battery may experience a short circuit within the battery modulesCampaign 24V215000 · Mar 20, 2024
- High-voltage battery may experience a short circuit within the battery modulesCampaign 24V217000 · Mar 20, 2024
- High-voltage battery may experience a short circuit within the battery modulesCampaign 23V840000 · Dec 13, 2023
- Please see the recall report for a list of the included vehiclesCampaign 23V841000 · Dec 13, 2023
Related service bulletins
Additional Action when Working on the High-Voltage Battery: Extended Replacement Requirement for Cell Block Module (48/26)
48/26 · Service Bulletin/Repair Instructions · issued Aug 5, 2026Re-Programming Assistance System Control Unit (Stop Delivery/Recall Campaign)
ASB2 · Service Campaign · issued Jul 27, 2026Replacement Requirement for 22 kW High-Voltage Charger - OBC (240/24)
240/24 · Service Bulletin/Repair Instructions · issued Jul 23, 2026
Electrical System problems in other Taycan years
| Year | Reports | Share |
|---|---|---|
| 2023 Taycan | 9 | 47% |
| 2022 Taycan | 36 | 46% |
| 2020 Taycan | 52 | 58% |
Other reported problem areas on the 2021 Porsche Taycan
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.