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C11DFF0 — Ctrl. module for rear-wheel drive, Initialization failed

Ctrl. module for rear-wheel drive, Initialization failed. 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 C11DFF0

Porsche Taycan

Porsche Panamera (971, 2017–2023)

Porsche Panamera (972, 2024–)

Porsche Cayenne (9YA)

How to read and clear C11DFF0

  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 C11DFF0 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

C11D254Ctrl. module for rear-wheel drive, No basic setting
C11D2F0Ctrl. module for rear-wheel drive, Calculated vehicle speed implausible
C11DE00Steering rack position sensor
C11DE04Steering rack position sensor faulty
C11DE29Steering rack position sensor - implausible signal
C11DF29Rack position implausible
C11E4F0Function restriction due to insufficient power-steering assistance
C11E5F0Steering rack position sensor - interchange detected
C123800Positioning in the center failed
C124000Reinitialization trip
C12A329Dynamic all wheel drive, Implausible signal
C12A429ESC control intervention, Implausible signal

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.