2020 Porsche Taycan electrical system problems

What owners report

• “I own a 2020 Porsche Taycan 4S (in service Nov 2, 2020) with a performance+ HV battery. I am currently facing a third round of module replacements. The service chronology and detail is set forth in the attached e-mail I sent to Porsche and the attached service reports. The safety concern I have is…”

  filed Jun 27, 2026

• “While driving my Porsche Taycan through a high-speed intersection, the vehicle suddenly displayed battery and chassis system error messages instructing me to pull over immediately. Before I could safely move the vehicle to the side of the road, it completely lost propulsion, speed control, and…”

  filed Jun 25, 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 module
  Campaign 24V732000 · Oct 1, 2024
• High-voltage battery may experience a short circuit within the battery module
  Campaign 24V731000 · Oct 1, 2024
• An incorrect warning indicator with an incorrect color is displayed in the instrument…
  Campaign 23V347000 · May 16, 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, 2026

• Re-Programming Assistance System Control Unit (Stop Delivery/Recall Campaign)

  ASB2 · Service Campaign · issued Jul 27, 2026

• Replacement 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

Other reported problem areas on the 2020 Porsche Taycan