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Home/Cars/Ford/F-150/12th Generation (2009-2014)/my Ford F-150 EPS warning light is on what does it mean

my Ford F-150 EPS warning light is on what does it mean

Ford F-150 12th Generation (2009-2014)

Severity: highDifficulty: medium2-4 hours
3 min read
522 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix EPS warning light issues in Ford F-150. Step-by-step guide with diagnostic procedures and repair instructions.

Component
Steering
Repair Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems.
  • ⚠Allow engine to cool before performing any work on the power steering system.

Symptoms

  • •EPS warning light illuminated on the dashboard
  • •Difficulty in steering the vehicle
  • •Steering feels heavy or unresponsive
  • •Noises coming from the steering column when turning
  • •Increased effort required to turn the steering wheel

Diagnostic Steps

  1. 1Scan the vehicle’s onboard computer using an OBD-II scanner to check for any stored trouble codes.
  2. 2Inspect the power steering fluid level and condition, ensuring it is at the recommended level.
  3. 3Check the electrical connections to the power steering motor for any loose or damaged wires.
  4. 4Test the power steering motor operation by applying direct battery voltage to see if it responds.
  5. 5Inspect the steering rack and pinion assembly for any signs of physical damage or leaks.
  6. 6Verify the function of the steering angle sensor using a multimeter or diagnostic tool.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a level surface and the ignition is off.
  • Disconnect the battery to prevent electrical shorts.

Tools Required:

  • OBD-II scanner
  • Socket set
  • Multimeter
  • Torque wrench

2. Inspect and Replace Power Steering Fluid

  • Sub-step 1: Locate the power steering fluid reservoir and remove the cap.
  • Sub-step 2: Check the fluid level; if low, add the manufacturer-recommended power steering fluid.
  • Sub-step 3: If the fluid is dirty or dark, drain the old fluid and replace it with fresh fluid.

3. Repair or Replace Power Steering Motor

  • Sub-step 1: If the power steering motor is not functioning, disconnect the wiring harness and remove the motor from its mount.
  • Sub-step 2: Install a new power steering motor, ensuring proper alignment.
  • Sub-step 3: Reconnect the wiring harness and secure all connections.

4. Inspect and Replace Steering Angle Sensor

  • Sub-step 1: Locate the steering angle sensor, usually mounted on the steering column.
  • Sub-step 2: Disconnect the sensor’s electrical connector and remove it from the steering column.
  • Sub-step 3: Install the new sensor, reconnect the electrical connector, and ensure it is properly calibrated.

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
  • Socket set
  • Multimeter
  • Torque wrench

Parts Required

  • Power steering fluid
  • Power steering motor (if needed)
  • Steering angle sensor (if needed)

Additional Information

Component

Steering

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

4 items

Parts

3 items

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