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C054200 — Brake pressure sensor 2 - short circuit to ground
Brake pressure sensor 2 - short circuit to ground. 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 C054200
How to read and clear C054200
- Plug a standard ENET (Ethernet-to-OBD) cable into your Porsche's OBD port and your Mac or Windows PC.
- Open STEUER14, pick your car and run a fault scan: every control unit is read, and C054200 shows with its status, its full description and the freeze frame when the unit stores one.
- 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 readingOther codes of the Brake Electronics
| C052A00 | Steering-angle sensor, deviation |
| C052F00 | ABS Pump Motor Supply Voltage Circuit/Open |
| C053B00 | ABS Valves Supply Voltage Circuit/Open |
| C053C00 | ABS speed sensor – signal implausible |
| C053D00 | Brake pressure sensor 1 - signal implausible |
| C054100 | Brake pressure sensor 2 - signal implausible |
| C054300 | Brake pressure sensor 2 - short circuit to B+ |
| C054500 | VIN Not Programmed or Incompatible - BSCM |
| C054700 | Vacuum Sensor Supply Voltage Circuit/Open |
| C054800 | Vacuum Sensor Supply Voltage Low |
| C054A00 | Pressure sensor for brake booster - implausible signal |
| C054B00 | Pressure sensor for brake booster - short circuit to ground |
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.