how to fix the cruise control not working on my Ford Explorer Fifth Generation (2011-2019)?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

631 words

Problem Statement

Learn how to diagnose and fix cruise control issues in Ford Explorer (2011-2019). 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 systems to prevent short circuits.
•Allow the vehicle to cool down before working on the engine or components near the throttle body.

Symptoms

•Cruise control indicator light not illuminating on the dashboard
•Inability to set or maintain cruising speed
•Cruise control disengages unexpectedly
•Acceleration or deceleration occurs even when cruise control is engaged
•Error codes related to cruise control present in the OBD-II system

Diagnostic Steps

1
Scan the vehicle's OBD-II system for any error codes related to the cruise control system.
2
Inspect the cruise control switch on the steering wheel for physical damage or malfunction.
3
Check the vehicle's brake switch for proper operation, as a faulty brake switch can disengage cruise control.
4
Verify the functionality of the throttle position sensor (TPS) and ensure it provides the correct input to the cruise control module.
5
Inspect the wiring and connectors associated with the cruise control system for any signs of wear, damage, or corrosion.
6
Check the vehicle’s fuses related to the cruise control system for any blown fuses.

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
•Screwdrivers
•Electrical contact cleaner

Parts Required

•Brake switch (if faulty)
•Cruise control switch (if faulty)
•Throttle position sensor (if faulty)

Related Faults

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Diagnostic Steps

1
Scan the vehicle's OBD-II system for any error codes related to the cruise control system.
2
Inspect the cruise control switch on the steering wheel for physical damage or malfunction.
3
Check the vehicle's brake switch for proper operation, as a faulty brake switch can disengage cruise control.
4
Verify the functionality of the throttle position sensor (TPS) and ensure it provides the correct input to the cruise control module.
5
Inspect the wiring and connectors associated with the cruise control system for any signs of wear, damage, or corrosion.
6
Check the vehicle’s fuses related to the cruise control system for any blown fuses.

Solution

1. Preparation

Gather tools and parts: OBD-II scanner, multimeter, socket set, screwdrivers, and replacement components as necessary.
Ensure the vehicle is parked on a level surface and the engine is turned off before starting repairs.

2. Inspect and Replace the Brake Switch

Locate the brake switch, usually mounted near the brake pedal.
Disconnect the wiring harness from the brake switch.
Use a multimeter to test the switch for continuity. If the switch is faulty, proceed to the next step.
Remove the brake switch by unscrewing it from its mounting position.
Install the new brake switch, ensuring it is securely fastened.
Reconnect the wiring harness to the new brake switch.

3. Check and Replace the Cruise Control Switch

Remove the airbag/steering wheel cover if necessary (refer to service manual for airbag disarming procedures).
Disconnect the cruise control switch from its connector.
Inspect the switch for any signs of damage or wear. If faulty, replace the switch with a new one.
Reconnect the new cruise control switch and reassemble the steering wheel components.

4. Inspect Wiring and Connectors

Visually inspect the wiring harness and connectors leading to the cruise control module for damage or corrosion.
Clean any corroded connectors with electrical contact cleaner.
Repair any damaged wires using appropriate electrical tape or heat-shrink tubing.

5. Test Throttle Position Sensor (TPS)

Locate the throttle position sensor on the throttle body.
Connect a multimeter to the TPS terminals and check for proper voltage readings as per the vehicle’s specifications.
If readings are outside the specified range, replace the throttle position sensor.