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

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

494 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix cruise control issues in Ford Explorer. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components.
•Allow the engine to cool before working near the throttle body or sensor.

Symptoms

•Cruise control disengages while driving
•Cruise indicator light on the dashboard turns off
•Intermittent loss of acceleration while cruise is engaged
•Difficulty re-engaging cruise control after it shuts off
•Possible illumination of the check engine light

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related faults.
2
Inspect the cruise control switch for wear or damage.
3
Check the brake pedal position switch for proper operation.
4
Examine the vehicle’s speed sensor for faults or irregular readings.
5
Inspect wiring and connections between the cruise control module and other components for corrosion or damage.
6
Test the throttle position sensor for proper function.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Multimeter
•Socket set
•Screwdriver set
•Wiring diagram

Parts Required

•Brake pedal position switch
•Throttle position sensor
•Speed sensor (if faulty)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related faults.
2
Inspect the cruise control switch for wear or damage.
3
Check the brake pedal position switch for proper operation.
4
Examine the vehicle’s speed sensor for faults or irregular readings.
5
Inspect wiring and connections between the cruise control module and other components for corrosion or damage.
6
Test the throttle position sensor for proper function.

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.