how to fix C0035 code in Tesla Outback 4th Generation (2010-2014)

Subaru Outback 4th Generation (2010-2014)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

Error Code: C0035

3 min read

548 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 C0035 code related to the left front wheel speed sensor in a 2010-2014 Subaru Outback. Step-by-step guide included.

Error Code

C0035

Affected Component

Brakes

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Always use jack stands when lifting the vehicle to prevent accidents.

Symptoms

•Check engine light illuminated
•ABS warning light activated
•Traction control system malfunction light on
•Erratic speedometer readings
•Poor handling or traction issues

Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to confirm the C0035 code and check for additional codes.
2
Inspect the left front wheel speed sensor visually for physical damage or disconnections.
3
Check the wiring harness and connectors leading to the wheel speed sensor for signs of wear or corrosion.
4
Measure the resistance of the left front wheel speed sensor using a multimeter to ensure it falls within the manufacturer's specifications.
5
Test the voltage at the wheel speed sensor connector while the vehicle is moving to verify signal output.
6
If applicable, check the ABS control module for fault codes related to the wheel speed sensor.

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
•Socket set
•Torque wrench
•Multimeter
•Jack and jack stands

Parts Required

•Left front wheel speed sensor (if faulty)

Related Faults

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Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to confirm the C0035 code and check for additional codes.
2
Inspect the left front wheel speed sensor visually for physical damage or disconnections.
3
Check the wiring harness and connectors leading to the wheel speed sensor for signs of wear or corrosion.
4
Measure the resistance of the left front wheel speed sensor using a multimeter to ensure it falls within the manufacturer's specifications.
5
Test the voltage at the wheel speed sensor connector while the vehicle is moving to verify signal output.
6
If applicable, check the ABS control module for fault codes related to the wheel speed sensor.

Solution

1. Preparation

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

2. Remove the Left Front Wheel

Sub-steps:
- Loosen the lug nuts using a socket set.
- Lift the vehicle with a jack and secure it on jack stands.
- Remove the lug nuts and take off the left front wheel.

3. Remove and Inspect the Wheel Speed Sensor

Sub-steps:
- Locate the left front wheel speed sensor mounted on the wheel hub.
- Disconnect the electrical connector carefully.
- Remove the sensor from its mounting point (usually held by a bolt).
- Inspect the sensor for dirt, damage, or wear.

4. Replace the Wheel Speed Sensor (if necessary)

Sub-steps:
- If the sensor is faulty, install the new wheel speed sensor in the same position.
- Secure it with the appropriate torque (typically around 10-15 ft-lbs, but refer to the specific service manual).
- Reconnect the electrical connector ensuring a snug fit.

5. Reassemble and Reinstall the Wheel

Sub-steps:
- Place the wheel back on the hub and hand-tighten the lug nuts.
- Lower the vehicle from the jack stands and then tighten the lug nuts to the specified torque (usually 65-80 ft-lbs).
- Reconnect the battery.