how to diagnose EPS problems on Ford F-150 13th Generation (2015-2020)

Solution

1. Preparation

• Gather necessary tools and parts.
• Park the vehicle on a level surface and engage the parking brake.
• Disconnect the negative battery terminal to ensure safety while working on electrical components.

2. Fluid Check and Replacement

• Remove the power steering fluid reservoir cap.
• Check fluid level; if low, top off with recommended power steering fluid (consult owner’s manual for specifications).
• If fluid is contaminated, drain and replace it:
  • Locate the return line from the EPS pump and disconnect it.
  • Use a clean container to catch old fluid and replace it with new fluid.
  • Reconnect the return line and ensure it is secure.

3. Inspect and Clean Connections

• Remove the EPS motor connector by pressing the release tab and pulling it off.
• Inspect the terminals for corrosion or damage; clean with electrical contact cleaner if necessary.
• Reconnect the EPS motor connector securely.

4. Steering Angle Sensor Calibration

• Use a scan tool capable of performing steering angle sensor calibration.
• Follow the tool’s prompts to recalibrate the sensor.
• Clear any codes and test the steering system afterward.

5. Replace EPS Motor (if necessary)

• If diagnostics indicate a faulty EPS motor:
  • Remove the steering column covers to access the EPS motor.
  • Disconnect the electrical connector and any mounting bolts securing the motor.
  • Carefully remove the motor from its housing.
  • Install the new EPS motor by reversing the removal steps.
  • Reconnect the electrical connections and secure all components.