Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information BCM-0071

Condition




The diagnostic trouble code (DTC) is stored if the brake control module (BCM) registers that the pump motor does not start or that the signal from the pump motor is missing.
The diagnostic trouble code (DTC) can be diagnosed at speeds above 20 km/h.

Substitute value
- ABS is blocked
- Traction Control is blocked
- Stability Control is blocked
- Active yaw control is blocked.

Hint: Brake system, abbreviations Brake System, Abbreviations

Possible source
- Contact resistance in the terminals
- The fuse for the pump motor is damaged
- Open-circuit in the power supply to the pump motor
- Open-circuit in the ground lead for the pump motor
- The pump motor is not functioning
- The transmission control module (TCM) is not functioning.

Fault symptom[s]
- The information lamp is lit
- The ABS warning lamp is lit
- The ABS system does not function
- Traction control does not function
- The stability control system does not function.

Note! If the fault becomes intermittent, the ABS warning lamp will not go out until the vehicle speed exceeds 10 km/h in the next operating cycle.