Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information BCM-0109

Condition





Note! The diagnostic trouble code (DTC) applies only to cars with dynamic stability and traction control (DSTC).

The steering wheel module (SWM) transmits a status signal to the brake control module (BCM).
The diagnostic trouble code (DTC) is stored if the brake control module (BCM) receives a message from the steering wheel module (SWM) indicating an internal fault.

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

Hint: Brake system, abbreviations Brake System, Abbreviations

Possible source
- Internal fault in the steering wheel module (SWM).

Note! This diagnostic trouble code (DTC) is not due to an internal hardware fault in the Brake control module (BCM) and must not be remedied by replacing the control module.

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