DTC P0575-81: Cruise Control Input Circuit - Invalid serial data received: Action
- Check anti-lock brake system control module for vehicle speed related DTCs and refer to relevant DTC index
- Check brake vacuum system for mechanical integrity
- Check brake pedal switch for correct adjustment
- Refer to the appropriate System Wiring Diagram(s) and check the brake pedal switch circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Check and install a new brake pedal switch as required
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest