why does my Ford Explorer's cruise control keep shutting off unexpectedly

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, socket set, screwdriver set, wiring diagram.
• Disconnect the negative terminal of the battery to ensure safety during repair.

2. Inspect and Replace the Brake Pedal Position Switch

• Sub-steps:
  1. Locate the brake pedal position switch under the dashboard.
  2. Disconnect the electrical connector from the switch.
  3. Remove the switch using the appropriate socket.
  4. Install the new brake pedal position switch and reconnect the electrical connector.
  5. Test the functionality of the switch before reassembling any components.

3. Check and Replace the Throttle Position Sensor

• Sub-steps:
  1. Locate the throttle position sensor on the throttle body.
  2. Disconnect the electrical connector from the sensor.
  3. Remove the sensor with a socket set and inspect for damage or wear.
  4. Install the new throttle position sensor and reconnect the electrical connector.
  5. Use a multimeter to test the sensor’s output voltage to ensure it meets specifications.

4. Verify Speed Sensor Operation

• Sub-steps:
  1. Locate the vehicle’s speed sensor, typically found on the transmission.
  2. Disconnect the wiring harness from the speed sensor.
  3. Use a multimeter to test the output voltage while the vehicle is in motion.
  4. Replace the speed sensor if it does not produce the correct voltage.