what does it mean if my Volvo XC60 has a C0035 code

Volvo XC60 Second Generation (2018-2024)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

Error Code: C0035

3 min read

562 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 to diagnose and fix C0035 wheel speed sensor issues in Volvo XC60. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Error Code

C0035

Affected Component

Brakes

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Use jack stands whenever working under a vehicle.

Symptoms

•ABS warning light illuminated on the dashboard
•Traction control warning light activated
•Erratic or non-functional speedometer
•Increased stopping distance or braking performance issues
•Unusual noises during braking, particularly at low speeds

Diagnostic Steps

1
Use an OBD-II scanner to confirm the C0035 error code and check for any additional codes.
2
Inspect the left rear wheel speed sensor wiring harness for any visible damage, fraying, or corrosion.
3
Test the resistance of the left rear wheel speed sensor using a multimeter.
4
Check the connector for the wheel speed sensor for corrosion or poor connections.
5
Inspect the ABS control module for any fault codes or issues.
6
Test the operation of the ABS system during a low-speed drive to observe any irregularities.

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
•Torque wrench
•Wire brush
•Dielectric grease

Parts Required

•Left rear wheel speed sensor (if faulty)

Related Faults

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Diagnostic Steps

1
Use an OBD-II scanner to confirm the C0035 error code and check for any additional codes.
2
Inspect the left rear wheel speed sensor wiring harness for any visible damage, fraying, or corrosion.
3
Test the resistance of the left rear wheel speed sensor using a multimeter.
4
Check the connector for the wheel speed sensor for corrosion or poor connections.
5
Inspect the ABS control module for any fault codes or issues.
6
Test the operation of the ABS system during a low-speed drive to observe any irregularities.

Solution

1. Preparation

Gather the following tools: OBD-II scanner, multimeter, socket set, torque wrench, wire brush, and dielectric grease.
Disconnect the negative battery terminal to avoid any electrical shorts.

2. Inspect and Replace Wheel Speed Sensor

Remove Wheel
- Loosen lug nuts while the vehicle is on the ground.
- Raise the vehicle using a jack and secure it with jack stands.
- Remove the wheel.
Remove Old Wheel Speed Sensor
- Locate the left rear wheel speed sensor mounted at the wheel hub.
- Disconnect the electrical connector from the sensor.
- Remove the retaining bolt using the socket set and carefully pull the sensor from the hub.
Install New Wheel Speed Sensor
- Apply dielectric grease to the new sensor’s connector to prevent corrosion.
- Insert the new sensor into the hub and secure it with the retaining bolt, torqueing it to manufacturer specifications (typically around 8-10 Nm).
- Reconnect the electrical connector.

3. Reassemble and Test

Reinstall Wheel
- Place the wheel back onto the hub and hand-tighten the lug nuts.
- Lower the vehicle from the jack stands and torque the lug nuts to the manufacturer’s specifications (usually around 100-120 Nm).
Reconnect Battery and Clear Codes
- Reconnect the negative battery terminal.
- Use the OBD-II scanner to clear the C0035 code and any other related codes.
Test Drive
- Conduct a test drive to ensure the ABS and traction control systems are functioning properly and that the warning lights are not illuminated.