Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition




The brake pedal position sensor transmits a signal to the brake control module about the position of the brake pedal and the speed at which it is pressed. The brake control module uses the signal to activate the brake assistance function during emergency braking.
Diagnostic trouble code (DTC) BCM-0103 is stored if the control module registers a faulty signal from the pedal position sensor.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switch on and if the signal from the pedal position sensor is more than 4.85 V or less than 0.15 V for too long.

Substitute value
- Brake assistance is blocked.

Hint: For information about abbreviations, see Brake system, abbreviations Brake System, Abbreviations.

Possible source
- Open-circuit in the signal cable
- Short-circuit to ground or supply voltage in the wiring
- Incorrectly installed sensor
- Defective sensor
- Internal fault in the control module.

Fault symptom[s]
- General warning lamp lit.