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C10AC07 — Steering, mechanical malfunction

Steering, mechanical malfunction. 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 C10AC07

Porsche Taycan

Porsche 911 (992)

Porsche Panamera (971, 2017–2023)

Porsche Panamera (972, 2024–)

Porsche Cayenne (9YA)

How to read and clear C10AC07

  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 C10AC07 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 Rear Axle Steering

B201300Coding
B202700Coding
B2F0100Development code 1
B2F0A00Development code 10
C104AF0Control module, Incorrect Vehicle Identification Number (VIN)
C10A700Rolling test mode active
C10AD29Motor position sensor - implausible signal
C10AE01Electromechanical power steering motor, Electrical error
C10AE13Electromechanical power steering motor, Open circuit
C10C929Steering angle value, Implausible signal
C10EE00Rolling test mode - fault
C11D192Rear axle steering – limited steering function

All 65 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.