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C12ABF2 — Rear radar, right – faulty

Rear radar, right – faulty. 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 C12ABF2

Porsche Taycan

Porsche 911 (992)

Porsche Panamera (971, 2017–2023)

Porsche Panamera (972, 2024–)

Porsche Cayenne (9YA)

How to read and clear C12ABF2

  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 C12ABF2 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

C10F2F0Control limit, exceeded
C113E00Software error detected
C115C54Active steering control module, No basic setting
C11DF29Rack position implausible
C11EEF1Time delay function, unexpected values from ctrl. module for distance control
C12ABF1Rear radar, left – faulty
C12ABF3Front corner radar, left – faulty
C12D3F0Driver assistance, regulatory requirement, rejected
C12EF00New installation detected
C12F000Steering assistance failed while in use
C135DF0Power steering control module, Insufficient steering assistance detected
C135DF1Steuergerät für Servolenkung, setzt Anforderung nicht um

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.