Home › Fault codes › B1872F0
B1872F0 — Control unit, internal supply voltage
Control unit, internal supply voltage. 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 B1872F0
How to read and clear B1872F0
- 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 B1872F0 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 Rear View Camera
| B186401 | Side camera (right) - electrical fault |
| B1864F0 | Side camera (right), supply voltage |
| B186596 | Reversing camera - internal fault |
| B186696 | Front camera - internal fault |
| B186796 | Side camera (left) - internal fault |
| B186896 | Side camera (right) - internal fault |
| B187501 | Wire for additional camera, Electrical error |
| B200043 | Control unit – function restriction |
| B200044 | Control unit – function restriction |
| B200045 | Control unit – function restriction |
| B200046 | Control unit – function restriction |
| B2000F1 | Control unit – function restriction |
All 74 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.