how to diagnose electric power steering issues in my Ford F-150 13th Generation (2015-2020)

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

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

587 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 electric power steering issues in Ford F-150 (2015-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Steering

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shorts
•Allow the engine to cool before working on any engine components

Symptoms

•Steering feels heavy or unresponsive
•Intermittent loss of power steering assist
•Steering warning light illuminated on the dashboard
•Unusual noises when turning the steering wheel
•Difficulty returning the steering wheel to center
•Fluid leaks near the power steering components

Diagnostic Steps

1
Scan for error codes using OBD-II scanner
2
Inspect power steering fluid level
3
Examine wiring and connectors for damage or corrosion
4
Test battery voltage with a multimeter
5
Check steering angle sensor operation
6
Perform a power steering assist test

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
•Basic hand tools

Parts Required

•Power steering fluid
•Power steering control module (if replacement is needed)

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Solution

1. Preparation

Tools Required: OBD-II scanner, multimeter, basic hand tools.
Disconnect the negative battery terminal to prevent electrical shorts during diagnostics.

2. Power Steering Fluid Replacement

Sub-steps:
1. Remove the power steering fluid reservoir cap.
2. Use a turkey baster or fluid siphon to remove old fluid from the reservoir.
3. Refill with the recommended power steering fluid (check owner's manual for specifications).
4. Replace the reservoir cap securely.

3. Repair Wiring and Connectors

Sub-steps:
1. Remove any protective covers or panels to access wiring near the power steering unit.
2. Inspect for frayed wires or loose connections.
3. Repair or replace damaged wiring and secure all connectors firmly.

4. Replace Power Steering Control Module (if necessary)

Sub-steps:
1. Disconnect the battery to ensure safety.
2. Locate the power steering control module (usually near the steering column).
3. Remove the module by unscrewing it from its bracket.
4. Disconnect all electrical connectors from the module.
5. Install the new module by reversing the removal steps and reconnecting all wiring securely.

5. Reconnect Battery and Check Functionality

Reconnect the negative battery terminal and ensure all tools are removed from the engine bay.
Start the vehicle and perform a power steering assist test to confirm proper operation.