Home › Fault codes › B1AB311
B1AB311 — Lighting in front door, pin C1/B3 - short circuit to ground
Lighting in front door, pin C1/B3 - 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 B1AB311
How to read and clear B1AB311
- 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 B1AB311 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 Door Module, Driver
| B18B529 | Exterior door handle, end position, Implausible signal |
| B1908F0 | Crash response, active |
| B1AAE11 | Lighting in front door, pin D8 - short circuit to ground |
| B1AAE13 | Lighting in front door, pin D8 - open circuit |
| B1AB111 | Lighting in front door, pin D3 - short circuit to ground |
| B1AB113 | Lighting in front door, pin D3 - open circuit |
| B1AB313 | Lighting in front door, pin C1/B3 - open circuit |
| B1AB511 | Lighting in front door, pin D16 - short circuit to ground |
| B1AB513 | Lighting in front door, pin D16 - open circuit |
| B1B9600 | Undervoltage due to short drop strategy - active |
| B200042 | Control unit – function restriction |
| B200500 | Coding |
All 107 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.