DTC C1127-31: Position Sensor - No Signal: Action
- Inspect mechanical linkages for faults/damage. Repair as required
- Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check electric park brake actuator hall sensor circuits for short circuit to ground, short circuit to power, open circuit, high resistance. Repair circuit as required. Clear DTC and retest
- If fault persists, check and install a new electric park brake actuator hall sensor as required