IsItAGoodCar

Common Problems with the
2020–2022 Porsche Taycan

We've identified 3 known issues that can affect the 2020–2022 Porsche Taycan. 1 of these are serious faults that could be expensive to repair.

3
Known Issues
1
Serious
2
Moderate
0
Minor

The 2020–2022 period has 2 more issues than the Porsche Taycan average across all year periods.

All Known Issues

12V Battery Drain / Failure

SeriousElectrics & Electronics

Software glitches can drain the 12V lithium battery while parked. If it dies, the car cannot be started.

Most affected: All models

Estimated cost: £2,000–£2,500Affects: 2020–2022Often appears around: N/A

Typical symptoms

  • •Car won't unlock
  • •Total loss of power
  • •"12V battery support" message

What to inspect before you buy

  • ✓Check if battery management software updates are applied

High Voltage (HV) Heater Failure

ModerateInterior & Trim

The heater unit fails internally, meaning no cabin heat. A common issue in colder climates.

Most affected: All models

Estimated cost: £1,000–£1,500Affects: 2020–2022Often appears around: N/A

Typical symptoms

  • •No cabin heat despite settings

What to inspect before you buy

  • ✓Test heater thoroughly during test drive

Charging Errors

ModerateElectrics & Electronics

"Error Charging" messages, aborted DC fast-charge sessions, or charge rates that never reach advertised speeds. Can be car-side or charger-side.

Most affected: All models

Estimated cost: £0–£500 (Software update / diagnosis)Affects: 2020–2024Often appears around: N/A

Typical symptoms

  • •Error Charging message
  • •Aborted DC fast-charge
  • •Slow charge rates

What to inspect before you buy

  • ✓Test DC fast charging on multiple chargers
  • ✓Check for charging fault codes

Buying Tips for the 2020 Porsche Taycan

  • ✓Check for 12V battery recalls (ARB6/ARA4); these are critical to prevent the car "bricking".
  • ✓Ensure the HV heater is functioning; failures are a known issue on 2020-2022 cars.
  • ✓Check the PCM software version; newer builds are significantly more stable.
2023–2024 Porsche Taycan

Browse 2020–2022 Porsche Taycan in our Directory

View MOT history, registration data, and reliability scores for 2020–2022 Porsche Taycan vehicles.

View 2020–2022 Directory

Other Porsche Taycan Year Periods

2020–20222023–20242025

Looking at a specific 2020 Porsche Taycan?

Enter the registration number to check its full MOT history, outstanding finance, write-off status, and more.

Free Vehicle Check