2020 Porsche Taycan electrical system problems

53 owner complaints filed with NHTSA name the electrical system on the 2020 Porsche Taycan — 58% of all complaints for this model year.

Electrical System complaints

58%

share of all complaints

—

median reported incident mileage

0 / 1

crash / fire reports

What owners report

“Three NHTSA safety recalls are open and unremedied on my 2020 Porsche Taycan 4S: 25V896 (high-voltage battery — cell-module short circuit / fire risk), 24V732 (battery inspection, cell-module replacement, software update), and 24V455 (front brake hoses — cracking and brake-fluid leakage). Open…”
filed Aug 10, 2026
“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 steering capability…”
filed Jun 25, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Information on Advanced Technical Information for Critical 12V Li-ion Battery Recycling
No. 2109-3 · Service Bulletin/Repair Instructions · issued Aug 28, 2026
Information on Advanced Technical Information for Porsche Mobile Charger NEMA Supply Cable Initialization Failure
No. 2433-4 · Service Bulletin/Repair Instructions · issued Aug 20, 2026
Information on Advanced Technical Information for Porsche Mobile Charger Plus (PMC+) Red LEDs and Fault B191E49
No. 2315-1 · Service Bulletin/Repair Instructions · issued Aug 20, 2026