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C12FBF0 — Standstill detection, unexpected values from distance control

Standstill detection, unexpected values from distance control. The Taycan, 911 (992), 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 C12FBF0

Porsche Taycan

Front Assist Camera

Porsche 911 (992)

ZFAS (Zentrales Fahrer Assistenz System)

Porsche Panamera (972, 2024–)

ZFAS (Zentrales Fahrer Assistenz System)

Porsche Cayenne (9YA)

ZFAS (Zentrales Fahrer Assistenz System)

How to read and clear C12FBF0

  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 C12FBF0 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 Front Assist Camera

C12F4F0Secondary breaking system, Signal not initialized
C12F5F0Test bench mode, active
C12FAF0Driver assistance systems front camera, Check sum errors
C12FAF1Driver assistance systems front camera, Self-test failed
C12FAF2Driver assistance systems front camera, System limits exceeded
C12FAF3Driver assistance systems front camera, Initialization error
C1331F0Digital matrix light, Active fog mode
C1331F1HD-Matrix Licht rechts, nicht angelernt
C1331F2HD-Matrix Licht links, nicht angelernt
C1331F3Digital matrix light, Ethernet connection cannot be established
C1331F4Digital matrix light, Cannot send via Ethernet
C1331F5Digital matrix light, H.264 coding not possible

All 336 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.