DTC B13BD-87: Steering Wheel Heater Module - Missing message: Action
- Check steering wheel harness for correct routing, damage, poor connection/backed out pins. Repair circuit as required, clear DTC and retest
- Refer to the applicable SYSTEM WIRING DIAGRAMS and check the steering wheel heater control module power and ground circuits for open circuit, high resistance
- Refer to the applicable SYSTEM WIRING DIAGRAMS and check the LIN bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new steering wheel heater control module