DTC B1111-86: Electric Park Brake Enable - Signal invalid: Action
- Refer to the appropriate system wiring diagrams and check the electric park brake switch circuits for short circuit to ground, short circuit to power, open circuit, high resistance. Repair circuit as required
- Refer to the appropriate system wiring diagrams and check the electric park brake left and right actuator circuits for short circuit to ground, short circuit to power, open circuit, high resistance. Repair circuit as required
- Test the operation of the left and right electric park brake actuators. Rectify as required
- Test the operation of the rear left and rear right brake calipers. Rectify as required
- Using the Jaguar Land Rover Approved Diagnostic Equipment, clear the DTCs and retest. If the fault persists, check and install a new anti-lock brake system control module as required