Home › Fault codes › B197804
B197804 — Crash sensor in A-pillar on driverʼs side faulty
Crash sensor in A-pillar on driverʼs side 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 B197804
How to read and clear B197804
- 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 B197804 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 Airbag
| B197311 | Igniter 2 f. seat belt tensioner, 2nd row, front passenger side, Short circuit to ground |
| B197312 | Igniter 2 f. seat belt tensioner, 2nd row, front passenger side, Short circuit to B+ |
| B19731A | Igniter 2 f. seat belt tensioner, 2nd row, front passenger side, Resistance too low |
| B19731B | Igniter 2 f. seat belt tensioner, 2nd row, front passenger side, Resistance too high |
| B197800 | Crash sensor in A-pillar on driver’s side - equipment fault |
| B197801 | Crash sensor in A-pillar on driverʼs side - electrical fault |
| B197811 | Crash sensor in A-pillar on driverʼs side - short circuit to ground |
| B197812 | Crash sensor in A-pillar on driver’s side - short circuit to B+ |
| B197813 | Crash sensor in A-pillar on driver’s side - open circuit |
| B197829 | Crash sensor in A-pillar on driver’s side - signal implausible |
| B19784A | Crash sensor in A-pillar on driver’s side - part number implausible |
| B197900 | Crash sensor in A-pillar on passenger’s side - equipment fault |
All 723 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.