my Ford Explorer's cruise control is not working what should I check

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

554 words

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 battery before working on electrical systems to prevent shorts.
•Ensure the vehicle is securely parked and on a flat surface during repairs.

Symptoms

•Cruise control indicator light not illuminating
•Inability to set cruise control speed
•Cruise control disengaging unexpectedly
•Lack of throttle response when cruise control is engaged
•Check engine light illuminated (potentially related)

Diagnostic Steps

1
Inspect the cruise control switch for damage or malfunction.
2
Scan for error codes using an OBD-II scanner to identify any related faults.
3
Check the brake pedal switch to ensure it is functioning properly and not stuck.
4
Inspect the vehicle's speed sensor for proper operation and connectivity.
5
Verify the condition of the cruise control module and its connections.
6
Test the throttle position sensor for accurate readings.

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
•Screwdriver set
•Socket set
•Pliers

Parts Required

•Cruise control switch (if faulty)
•Brake pedal switch (if faulty)
•Vehicle speed sensor (if faulty)
•Cruise control module (if faulty)

Related Faults

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Diagnostic Steps

1
Inspect the cruise control switch for damage or malfunction.
2
Scan for error codes using an OBD-II scanner to identify any related faults.
3
Check the brake pedal switch to ensure it is functioning properly and not stuck.
4
Inspect the vehicle's speed sensor for proper operation and connectivity.
5
Verify the condition of the cruise control module and its connections.
6
Test the throttle position sensor for accurate readings.

Solution

1. Preparation

Gather tools and ensure the vehicle is parked on a flat surface.
Disconnect the battery to prevent electrical shorts during repair.

2. Inspect and Replace Cruise Control Switch

Tools Required: Screwdriver set, socket set.
Sub-steps:
1. Remove the steering wheel cover to access the cruise control switch.
2. Disconnect the electrical connector from the switch.
3. Inspect the switch for wear or damage, and replace if necessary.
4. Reconnect the switch and reassemble the steering wheel cover.

3. Check and Replace Brake Pedal Switch

Tools Required: Screwdriver, pliers.
Sub-steps:
1. Locate the brake pedal switch under the dashboard.
2. Disconnect the wiring harness from the switch.
3. Use a multimeter to test for continuity when the pedal is pressed.
4. Replace the switch if it does not function correctly.
5. Reconnect the wiring harness and ensure it is securely mounted.

4. Inspect Vehicle Speed Sensor

Tools Required: Socket set, multimeter.
Sub-steps:
1. Locate the vehicle speed sensor, usually found on the transmission.
2. Disconnect the electrical connector and inspect for corrosion.
3. Use a multimeter to check the sensor's output; replace if readings are outside specifications.
4. Reconnect the sensor and ensure it is secure.

5. Test Cruise Control Module

Tools Required: OBD-II scanner, socket set.
Sub-steps:
1. Locate the cruise control module, typically found near the engine bay or under the dashboard.
2. Inspect all connections for corrosion or damage.
3. Use an OBD-II scanner to check for module-specific error codes.
4. Replace the module if it is not functioning properly.