how to fix the cruise control not working on Ford F-150 13th Generation (2015-2020)

Ford F-150 13th Generation (2015-2020)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

511 words

Problem Statement

Learn how to diagnose and fix cruise control issues in Ford F-150 (2015-2020). 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.
•Allow the vehicle to cool before performing any repairs on hot components.

Symptoms

•Cruise control indicator light not illuminated on the dashboard
•Inability to set or maintain speed
•Sudden disengagement of cruise control
•Unresponsive cruise control buttons on the steering wheel
•Error codes related to cruise control functionality when scanned

Diagnostic Steps

1
Scan the vehicle’s OBD-II system for error codes related to the cruise control system.
2
Inspect the cruise control switch on the steering wheel for damage or wear.
3
Check the vehicle’s brake light switch operation; a malfunctioning switch can disengage cruise control.
4
Examine the vehicle’s fuses related to the cruise control system for any blown fuses.
5
Verify the throttle position sensor (TPS) function and calibration.
6
Check for any issues with the vehicle's speed sensor or wiring harness.

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
•Torx screwdriver
•Fuse puller or pliers

Parts Required

•Cruise control switch (if faulty)
•Brake light 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 error codes related to the cruise control system.
2
Inspect the cruise control switch on the steering wheel for damage or wear.
3
Check the vehicle’s brake light switch operation; a malfunctioning switch can disengage cruise control.
4
Examine the vehicle’s fuses related to the cruise control system for any blown fuses.
5
Verify the throttle position sensor (TPS) function and calibration.
6
Check for any issues with the vehicle's speed sensor or wiring harness.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the negative battery terminal to ensure safety during repairs.

2. Inspect Cruise Control Switch

Remove the airbag module and steering wheel cover to gain access to the cruise control switch.
- Tools Required: Socket set, Torx screwdriver, steering wheel puller (if needed).
Inspect the cruise control switch for any visible damage or disconnection.
If faulty, replace the cruise control switch with a new one.

3. Check Brake Light Switch

Locate the brake light switch, usually mounted near the brake pedal.
Test the switch operation by manually actuating it and observing brake light functionality.
If defective, adjust or replace the brake light switch as necessary.

4. Inspect Fuses

Open the fuse box and locate the fuses related to the cruise control system (refer to the owner's manual for specifics).
Visually inspect the fuses and replace any that are blown.
- Tools Required: Fuse puller or pliers.

5. Verify Throttle Position Sensor

Using a multimeter, check the voltage output of the throttle position sensor.
If readings are outside the specified range, replace the TPS.
- Tools Required: Multimeter, socket set.

6. Reassemble and Reconnect

Reinstall any components removed during the inspection.
Reconnect the negative battery terminal.