BCM-0138

BCM-0138: Power Supply For The Active Yaw Control Sensor, Faulty Voltage
Condition





Note! This Diagnostic Trouble Code (DTC) applies only to brake systems with Dynamic Stability And Traction Control (DSTC).

The active yaw control sensor is supplied with 12 Volt. Diagnostic Trouble Code (DTC) BCM-0138 is stored if the Brake Control Module (BCM) registers that the supply voltage to the active yaw control sensor is too high or too low.

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

Hint: For information about abbreviations, Refer to Description and Operation.

Possible source
- Contact resistance or oxidation in the terminals or connections
- Short-circuit to ground or to supply voltage in the power supply wiring for the active yaw control sensor
- Open-circuit in the power supply cable for the active yaw control sensor
- Internal fault in the active yaw control sensor
- Internal fault in the control module.

Fault symptom[s]
- The anti-spin warning lamp is lit (up to and including 2002 model year)
- General yellow warning lamp lit (from model year 2003 inclusive)
- Anti-spin does not function
- The stability control system does not function
- The traction control system does not function.