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P33DD00 — High-voltage battery – setpoint voltage exceeded

High-voltage battery – setpoint voltage exceeded. The Taycan, 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 P33DD00

Porsche Taycan

Porsche Panamera (971, 2017–2023)

Porsche Panamera (972, 2024–)

Porsche Cayenne (9YA)

How to read and clear P33DD00

  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 P33DD00 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 →

Download STEUER14 — free fault reading

Other codes of the On-Board Charger 2

P31EA00High-voltage charger – charging module 2 defective
P31EB00High-voltage charger, line conductor L2 – undervoltage
P31EC00High-voltage charger, line conductor L2 – overvoltage
P31EF00Line conductor energy throughput – difference too high
P31F000Switch-off due to coolant overtemperature
P33DC00Hybrid/high-voltage battery – charging voltage too low
P33DE00Rated current request of high-voltage battery, too high
P33DF00High-voltage charger, line conductor – setpoint current requirement too low
P33E000High-voltage charger, line conductor - required/actual current difference too high
P33E100Charging socket AC, electrical fault
P33E200Combination charging socket - electrical fault
P33E300Charging socket AC, communication error

All 110 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.