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

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

573 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 the battery before working on electrical components to prevent shorts.
•Allow the vehicle to cool down before inspecting components near the engine.

Symptoms

•Cruise control light does not illuminate on the dashboard
•Inability to set or maintain a desired speed
•Unresponsive cruise control buttons on the steering wheel
•Sudden disengagement of cruise control while driving
•Check engine light illuminated

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related trouble codes.
2
Check the cruise control fuse in the fuse box for continuity.
3
Inspect the cruise control switch on the steering wheel for proper operation.
4
Test the brake light switch, as a malfunction can disengage cruise control.
5
Check the throttle position sensor for proper readings and functionality.
6
Examine the speed sensor, as incorrect readings can affect cruise control performance.

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
•Torque wrench

Parts Required

•Cruise control switch (if faulty)
•Brake light switch (if faulty)
•Throttle position sensor (if faulty)
•Speed sensor (if faulty)
•Fuses (as needed)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related trouble codes.
2
Check the cruise control fuse in the fuse box for continuity.
3
Inspect the cruise control switch on the steering wheel for proper operation.
4
Test the brake light switch, as a malfunction can disengage cruise control.
5
Check the throttle position sensor for proper readings and functionality.
6
Examine the speed sensor, as incorrect readings can affect cruise control performance.

Solution

1. Preparation

Gather tools: OBD-II scanner, multimeter, socket set, and a torque wrench.
Disconnect the negative battery terminal to ensure safety while working on the vehicle.

2. Check and Replace the Fuse

Locate the fuse box; refer to the owner’s manual for the specific location and fuse diagram.
Remove the cruise control fuse and inspect for any signs of damage.
If blown, replace with a fuse of the same amperage.

3. Inspect the Cruise Control Switch

Remove the steering wheel cover to access the cruise control switch.
Disconnect the electrical connector from the switch and test for continuity using a multimeter.
If the switch is faulty, replace it with a new one and reassemble the steering wheel.

4. Test and Adjust the Brake Light Switch

Locate the brake light switch, usually mounted near the brake pedal.
Check for proper operation—ensure it is not constantly engaged.
Adjust or replace the switch if it doesn’t function correctly.

5. Inspect the Throttle Position Sensor

Locate the throttle body and disconnect the electrical connector from the throttle position sensor.
Use a multimeter to check the sensor's output voltage as you manually operate the throttle.
Replace the sensor if the readings are outside the manufacturer's specifications.

6. Examine the Speed Sensor

Locate the vehicle speed sensor (VSS) on the transmission.
Disconnect the harness and test the sensor with a multimeter for correct voltage output.
If faulty, replace the speed sensor and reconnect the wiring.