7 documented codes across 19 real diagnostics.
The standardised chassis block: wheel speed sensing, ABS/ESP hydraulics and brake switches.
Ranked by how often we actually see them
- C0037, Left rear wheel speed sensor circuit
- C0034, Right front wheel speed sensor circuit
- C0050, not individually documented
- C0061, not individually documented
- C0031, Left front wheel speed sensor circuit
- C003A, not individually documented
- C0040, Right rear wheel speed sensor circuit