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C051200 — Rear right wheel speed sensor - open circuit

Rear right wheel speed sensor - open circuit. 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 C051200

Porsche Taycan

Porsche 911 (992)

Porsche Panamera (971, 2017–2023)

Porsche Panamera (972, 2024–)

Porsche Cayenne (9YA)

How to read and clear C051200

  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 C051200 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 Brake Electronics

C050800Front right speed sensor - short circuit to ground
C050900Front right speed sensor - short circuit to B+
C050C00Rear left wheel speed sensor - open circuit
C050D00Rear left wheel speed sensor - implausible signal
C050E00Rear left speed sensor - short circuit to ground
C050F00Rear left speed sensor - short circuit to B+
C051300Rear right wheel speed sensor, implausible signal
C051400Rear right speed sensor - short circuit to ground
C051500Rear right speed sensor - short circuit to B+
C051800Front left speed sensor, mechanical fault
C051900Front right speed sensor, mechanical fault
C051A00Rear left speed sensor, mechanical fault

All 317 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.