why does my Ford Explorer cruise control not work

Ford Explorer Fifth Generation (2011-2019)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

549 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

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Ensure the vehicle is secured and on a level surface during repairs.

Symptoms

•Cruise control indicator light does not illuminate
•Inability to set or resume cruise speed
•Sudden disengagement of cruise control while driving
•No response from the cruise control buttons on the steering wheel
•Possible check engine light illuminated

Diagnostic Steps

1
Scan the vehicle's OBD-II system for any error codes that may indicate a malfunction.
2
Inspect the cruise control fuses for continuity and ensure they are not blown.
3
Check the brake pedal switch for proper operation; a faulty switch can disengage cruise control.
4
Verify the functionality of the cruise control module and associated wiring for any damage or corrosion.
5
Test the speed sensor to ensure it is providing accurate vehicle speed data to the cruise control system.

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
•Fuse puller
•Screwdrivers
•Basic hand tools (wrenches, pliers)

Parts Required

•Cruise control fuse (if blown)
•Brake pedal switch (if faulty)
•Vehicle speed sensor (if defective)

Related Faults

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Diagnostic Steps

1
Scan the vehicle's OBD-II system for any error codes that may indicate a malfunction.
2
Inspect the cruise control fuses for continuity and ensure they are not blown.
3
Check the brake pedal switch for proper operation; a faulty switch can disengage cruise control.
4
Verify the functionality of the cruise control module and associated wiring for any damage or corrosion.
5
Test the speed sensor to ensure it is providing accurate vehicle speed data to the cruise control system.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect and Replace Fuses

Locate the fuse box; refer to the owner’s manual for the specific location.
Use a fuse puller or tweezers to remove the cruise control fuse.
Inspect the fuse for any signs of damage; replace it if necessary with the same amperage fuse.

3. Check Brake Pedal Switch

Locate the brake pedal switch, usually mounted near the top of the brake pedal.
Disconnect the wiring harness from the switch.
Use a multimeter to test for continuity when the brake pedal is pressed and released; replace the switch if it fails the test.

4. Examine Cruise Control Module

Locate the cruise control module, which is typically found near the engine compartment or under the dashboard.
Inspect for loose connections, damaged wiring, or corrosion.
If issues are found, repair or replace the wiring and connectors as necessary.

5. Test Speed Sensor

Locate the vehicle speed sensor (VSS), which is usually mounted on the transmission.
Disconnect the electrical connector and use a multimeter to test the voltage output.
If the output is outside of manufacturer specifications, replace the speed sensor.