how to troubleshoot the cruise control not engaging in 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

613 words

Problem Statement

Learn how to troubleshoot and fix cruise control issues in Ford Explorer (2011-2019). Step-by-step guide with 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.
•Allow the engine to cool down before inspecting or replacing components near the engine.

Symptoms

•Cruise control indicator light not illuminated
•Inability to set cruise control speed
•Cruise control disengages unexpectedly
•Check engine light illuminated
•Speedometer malfunctioning or erratic readings

Diagnostic Steps

1
Scan the vehicle’s onboard computer for error codes using an OBD-II scanner.
2
Inspect the brake pedal switch for proper operation and adjustment.
3
Check the cruise control fuse for continuity and replace if blown.
4
Verify the functionality of the vehicle speed sensor (VSS).
5
Examine the throttle position sensor (TPS) for proper readings.
6
Inspect wiring and connectors associated with the cruise control system for damage or corrosion.

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
•Torque wrench

Parts Required

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

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 brake pedal switch for proper operation and adjustment.
3
Check the cruise control fuse for continuity and replace if blown.
4
Verify the functionality of the vehicle speed sensor (VSS).
5
Examine the throttle position sensor (TPS) for proper readings.
6
Inspect wiring and connectors associated with the cruise control system for damage or corrosion.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked safely on a level surface and the engine is off.
Disconnect the battery to avoid electrical shorts.

2. Inspect and Replace Brake Pedal Switch

Locate the brake pedal switch, typically mounted above the brake pedal.
Disconnect the electrical connector from the switch.
Use a multimeter to test the switch for continuity when the pedal is pressed.
If faulty, replace the switch:
1. Remove the old switch by unscrewing or unclipping it from its mount.
2. Install the new switch and reconnect the electrical connector.

3. Check and Replace Cruise Control Fuse

Locate the fuse box, usually found under the dashboard or under the hood.
Identify the fuse related to the cruise control system (refer to the owner’s manual).
Remove the fuse and check for continuity using a multimeter.
If the fuse is blown, replace it with the same amperage rating.

4. Examine Vehicle Speed Sensor (VSS)

Locate the VSS, which is typically on the transmission.
Disconnect the electrical connector from the VSS.
Use a multimeter to check for proper voltage output while the vehicle is in motion.
If the readings are outside the specified range, replace the VSS:
1. Remove the mounting bolts and pull the sensor out of the transmission.
2. Install the new VSS and secure it with bolts.

5. Test Throttle Position Sensor (TPS)

Locate the TPS, which is usually mounted on the throttle body.
Disconnect the TPS connector.
Use a multimeter to check the resistance values as the throttle is opened and closed.
If the TPS is faulty, replace it:
1. Remove the TPS by unscrewing it from its mount.
2. Install the new TPS and reconnect the electrical connector.

6. Reconnect Battery and Test System

Reconnect the battery terminals securely.
Start the engine and check if the cruise control system engages correctly.