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Code C0065

Symptoms

• ABS warning light on

• Traction control light on

• Unstable vehicle handling

Common Causes

• Faulty wheel speed sensor

• Damaged wiring or connectors

• Malfunctioning ABS control module

Glossary

ABS: Anti-lock Braking System

ESC: Electronic Stability Control

Related Codes

• C0035

• C0040

Laymans terms

This code means there's a problem with one of the car's sensors that helps it stay stable and not slip on the road. It's like when you try to walk on ice and your feet slide; the car has sensors to help prevent that, and one of them isn't working right.

Explanation

C0065 indicates an issue with the vehicle's stability control sensor.

Technical description

The C0065 code is associated with a malfunction in the wheel speed sensor, which is part of the vehicle's anti-lock braking system (ABS) and electronic stability control (ESC). This sensor monitors the speed of each wheel to help the car maintain control during various driving conditions.

Diagnosis steps

• Use an OBD-II scanner to confirm the code.

• Inspect the wheel speed sensor and wiring for damage.

• Test the ABS control module functionality.

Repair procedures

• Replace the faulty wheel speed sensor.

• Repair or replace damaged wiring or connectors.

• Replace the ABS control module if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Socket set

Estimated repair cost

$100 - $300

Difficulty level

Moderate

Commonly affected vehicles

• Toyota Camry

• Ford F-150

• Honda Accord

Preventive measures

• Regularly inspect and clean wheel speed sensors.

• Check and maintain proper tire pressure.

• Avoid harsh driving conditions that may damage sensors.

Error code type

Sensor Issue

User experience recommendations

• Drive cautiously if the ABS light is on.

• Have the vehicle inspected by a professional as soon as possible.

Warranty information

Check with the vehicle manufacturer for coverage on ABS components.

Historical data

This code has been commonly reported in vehicles with high mileage or those frequently driven in harsh conditions.

Urgency level

Moderate – It affects vehicle safety systems, so it should be addressed soon.

Legal and safety notice

Driving with a malfunctioning ABS can be dangerous, especially in slippery conditions. It is important to have this issue resolved promptly.

Testing conditions

• Drive the vehicle at various speeds to test sensor readings.

• Perform tests on a dry and flat surface for accurate results.

Component location

The wheel speed sensor is located near the brake rotor of each wheel.

FAQs

Q: Can I drive with the C0065 code?
A: While the vehicle may still be drivable, it is not recommended to drive with a faulty ABS sensor as it can affect braking performance.

Q: How can I reset the ABS light?
A: The ABS light can be reset by fixing the underlying issue and using an OBD-II scanner to clear the code.

Last updated: Oct 28, 2025 • Source: internal database
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