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C10ACF5 — Steering, Interface for congestion assistant not available

Steering, Interface for congestion assistant not available. The Panamera (971) 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 C10ACF5

Porsche Panamera (971, 2017–2023)

BVS (Bildverarbeitungssystem)

How to read and clear C10ACF5

  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 C10ACF5 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 BVS (Bildverarbeitungssystem)

B2F0B00Development code 11
B2F0F00Development code 15
C10A700Rolling test mode active
C10ACF2Steering, Interface for lane departure warning system not coded
C10ACF3Steering, Interface for lane departure warning system not available
C10ACF4Steering, Interface for congestion assistant not coded
C110496Camera malfunction, Internal malfunction
C110500Vehicle Identification Number (VIN), Implausible
C1106F0Dynamic calibration, Limit value exceeded
C1106F1Dynamic calibration, Function limitation due to limit value exceedance
C110A46Camera control module, Calibration or parameter memory error
C110A76Camera control module, Incorrect installation location

All 64 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.