Volvo XC60 536 (2017-Present) electric power steering failure symptoms

Volvo XC60 536 (2017-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

critical

Severity

3 min read

546 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

Discover the symptoms of electric power steering failure in Volvo XC60 (2017-Present) and learn how to diagnose and fix the issue with our step-by-step guide.

Affected Component

Steering

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 inspections.

Symptoms

•Steering wheel feels heavy or stiff
•Difficulty turning the steering wheel, especially at low speeds
•Unusual noises when steering, such as grinding or whining
•EPS warning light illuminated on the dashboard
•Intermittent steering assist, where power steering may work occasionally
•Loss of power steering entirely

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any faults related to the power steering system.
2
Inspect the EPS fuse for any signs of failure or blown fuses; replace if necessary.
3
Check the electrical connections to the EPS motor for corrosion or loose connections.
4
Measure the voltage and ground at the EPS motor connector using a multimeter to ensure proper power supply.
5
Inspect the steering column for any physical damage or binding that may affect EPS operation.
6
Test the EPS motor by applying direct voltage to see if it functions outside of the vehicle's control system.

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
•Screwdriver set
•Electrical contact cleaner

Parts Required

•EPS fuse (if blown)
•EPS motor (if determined faulty)

Related Faults

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Symptoms

•Steering wheel feels heavy or stiff

•Difficulty turning the steering wheel, especially at low speeds

•Unusual noises when steering, such as grinding or whining

•EPS warning light illuminated on the dashboard

•Intermittent steering assist, where power steering may work occasionally

•Loss of power steering entirely

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any faults related to the power steering system.
2
Inspect the EPS fuse for any signs of failure or blown fuses; replace if necessary.
3
Check the electrical connections to the EPS motor for corrosion or loose connections.
4
Measure the voltage and ground at the EPS motor connector using a multimeter to ensure proper power supply.
5
Inspect the steering column for any physical damage or binding that may affect EPS operation.
6
Test the EPS motor by applying direct voltage to see if it functions outside of the vehicle's control system.

Solution

1. Preparation

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

2. Inspect and Replace EPS Fuse

Locate the fuse box (usually under the dashboard or in the engine compartment).
Remove the cover and identify the EPS fuse using the fuse diagram.
Use a socket set to remove the faulty fuse and replace it with a new one of the same amperage.

3. Check Electrical Connections

Reconnect the battery after replacing the fuse.
Inspect the EPS motor connector; disconnect it to check for corrosion.
Clean any corrosion with electrical contact cleaner and reconnect securely.

4. Test and Replace EPS Motor (if necessary)

If voltage is not present at the EPS motor connector, trace back to the EPS control module for further testing.
If the motor is faulty, remove the steering column cover using a screwdriver.
Disconnect the EPS motor connector and use a socket set to remove the motor from the steering rack.
Install the new EPS motor by reversing the removal steps, ensuring all connections are secure.

5. System Calibration

After installation, connect a diagnostic tool to the OBD-II port.
Follow the manufacturer’s instructions to perform a steering angle sensor calibration.