how to troubleshoot EPS issues on Ford F-150 14th Generation (2021-2024)

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Disconnect the vehicle battery to ensure safety while working on electrical components.

2. Fuse Replacement

• Tools Required: Fuse puller or needle-nose pliers.
• Locate the fuse box under the dashboard or hood.
• Identify the EPS fuse using the fuse diagram.
• Pull the fuse out and inspect it; replace with the correct amperage fuse if blown.

3. Wiring Inspection

• Tools Required: Multimeter, wire connectors (if needed).
• Reconnect the battery and visually inspect wiring harnesses for damage or corrosion.
• Use a multimeter to check for continuity in the wiring and connections.
• Repair or replace any damaged wires or connectors.

4. EPS Motor Testing

• Tools Required: Multimeter and basic hand tools.
• Disconnect the electrical connector from the EPS motor.
• Test the motor terminals for voltage while turning the ignition on (do not start the engine).
• If no voltage is present, trace back to the EPS control unit for further testing.
• If voltage is present but the motor is unresponsive, replace the EPS motor.

5. Steering Component Replacement (if necessary)

• Tools Required: Socket set, torque wrench, and tie rod puller.
• If steering components are worn, remove the affected components (e.g., rack and pinion, tie rods).
• Install new components, ensuring to torque to manufacturer specifications.
• Align the steering system after replacement.