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C10ACF8 — Steering, Limit value exceeded

Steering, Limit value exceeded. 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 C10ACF8

Porsche Taycan

Porsche 911 (992)

Porsche Panamera (971, 2017–2023)

Porsche Panamera (972, 2024–)

Porsche Cayenne (9YA)

How to read and clear C10ACF8

  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 C10ACF8 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 Steering Assist

C10AA29Steering torque sensor - implausible signal
C10AA31Steering torque sensor, No signal
C10AB01Steering torque sensor supply voltage - electrical fault
C10AC07Steering, mechanical malfunction
C10ACF0Steering, End stops not learned
C10ACF1Steering, incorrect ratio
C10AD29Motor position sensor - implausible signal
C10AE01Electromechanical power steering motor, Electrical error
C10AE04Electromechanical power steering motor, Faulty
C10AE13Electromechanical power steering motor, Open circuit
C10AE16Electromechanical power steering motor, Voltage too low
C10AE4BElectromechanical power steering motor, Excess temp.

All 133 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.