- No brake pressure at one of the wheels
- Locking up of one or multiple wheels
- Malfunction on pump motors
- No communication with ABS possible
Common Fault Codes
- 01276 – ABS hydraulic pump (V64) malfunction
- 01130 – ABS operation implausible signal
- 5DF0 – Hydraulic unit pump motor
- 5DF1 – Hydraulic unit pump motor connector
- C0110 – Return pump circuit malfunction
- C2116 – ABS pump motor supply / recirculation pump
- 52-1 – ABS motor circuit
- C0020 – ABS pump motor control