DTC B1B50-12: Rear Left Inner Sensor - Circuit short to battery: Action
- Refer to the appropriate system wiring diagrams and check the rear bumper harness for damage. Check sensor circuit for short circuit to power. Repair or replace any wiring harness as required
- Check the connector for integrity and damage, then re-connect sensor to confirm connection
- Using the manufacturers approved diagnostic system clear the DTC and run the on demand self-test