my Ford Explorer's cruise control stopped working what could be wrong

Ford Explorer Fifth Generation (2011-2019)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

552 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 the battery before working on electrical components.
•Ensure the vehicle is in park or neutral with the parking brake engaged before starting repairs.

Symptoms

•Cruise control indicator light does not illuminate
•Inability to set or maintain a speed using cruise control
•Unresponsive cruise control buttons on the steering wheel
•Check engine light illuminated
•Erratic acceleration or deceleration when attempting to use cruise control

Diagnostic Steps

1
Scan the vehicle's onboard computer for error codes using an OBD-II scanner.
2
Inspect the cruise control fuse for continuity and replace if blown.
3
Check the brake pedal switch for proper operation, ensuring it is not stuck or malfunctioning.
4
Test the cruise control switch on the steering wheel for functionality.
5
Inspect the throttle position sensor (TPS) for proper readings and operation.
6
Verify the connection and condition of the cruise control module wiring.

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

Parts Required

•Cruise control fuse (if blown)
•Brake pedal switch (if faulty)
•Cruise control switch (if defective)
•Throttle position sensor (if malfunctioning)

Related Faults

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Diagnostic Steps

1
Scan the vehicle's onboard computer for error codes using an OBD-II scanner.
2
Inspect the cruise control fuse for continuity and replace if blown.
3
Check the brake pedal switch for proper operation, ensuring it is not stuck or malfunctioning.
4
Test the cruise control switch on the steering wheel for functionality.
5
Inspect the throttle position sensor (TPS) for proper readings and operation.
6
Verify the connection and condition of the cruise control module wiring.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the engine is turned off.
Disconnect the negative battery cable to prevent electrical shorts.

2. Inspect and Replace Fuse

Locate the fuse box (typically under the dashboard or in the engine compartment).
Remove the cruise control fuse and inspect it for damage.
If the fuse is blown, replace it with a new fuse of the same amperage.

3. Check Brake Pedal Switch

Locate the brake pedal switch, usually mounted above the brake pedal.
Disconnect the wiring harness and use a multimeter to test for continuity when the brake pedal is pressed.
If the switch is faulty, replace it with a new switch.

4. Test Cruise Control Switch

Remove the steering wheel cover to access the cruise control switch.
Disconnect the wiring harness and test the switch with a multimeter to ensure it generates continuity when pressed.
If defective, install a new cruise control switch.

5. Inspect Throttle Position Sensor

Locate the throttle position sensor on the throttle body.
Disconnect the sensor’s electrical connector.
Use a multimeter to measure the voltage output while manually moving the throttle plate.
If readings are outside specifications, replace the throttle position sensor.

6. Reconnect Battery and Test

Reconnect the negative battery cable.
Start the vehicle and test the cruise control operation on a safe stretch of road.