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P0A0D00 — High Voltage System Interlock Circuit High

High Voltage System Interlock Circuit High. The Taycan, 911 (992), Panamera (971), Panamera (972) and Cayenne report this code; below is which control unit sets it on each model and how to read and clear it.

Which models and control units set P0A0D00

Porsche Taycan

Porsche 911 (992)

Porsche Panamera (971, 2017–2023)

Porsche Panamera (972, 2024–)

Porsche Cayenne (9YA)

How to read and clear P0A0D00

  1. Plug a standard ENET (Ethernet-to-OBD) cable into your Porsche's OBD port and your Mac or Windows PC.
  2. Open STEUER14, pick your car and run a fault scan: every control unit is read, and P0A0D00 shows with its status, its full description and the freeze frame when the unit stores one.
  3. Fix the cause first, then clear the fault memory and scan again to check it stays away. Reading and clearing fault codes is free on every control unit.

More about fault memory in the manual →

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Other codes of the Battery Energy Control Module

P066600Busbar PLUS rear axle - temperature too high
P066700Busbar PLUS rear axle, temperature sensor - signal implausible
P06AB00Busbar MINUS, temperature sensor - short circuit to B+
P06AC00Busbar MINUS, temperature sensor - signal implausible
P0A0A00High Voltage System Inter-Lock Circuit
P0A0C00High Voltage System Interlock Circuit Low
P0A1F00Terminal 30 power supply – signal implausible
P0A7F00Hybrid/EV Battery Pack Deterioration
P0A9500High Voltage Fuse
P0A9C00Hybrid Battery Temperature Sensor "A" Circuit Range/Performance
P0A9D00Temperature sensor 1 for hybrid/high-voltage battery - short circuit to ground
P0A9E00Temperature sensor 1 for hybrid/high-voltage battery - short circuit to B+

All 198 codes of this control unit →

Fault names come from the manufacturer's diagnostic data. STEUER14 is independent and not affiliated with Porsche AG. A code tells you what a control unit detected, not always which part failed — check wiring, supply voltage and related codes before replacing parts. STEUER14 shows each fault's full description, status and freeze frame on the car.