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Code C0016

Symptoms

• ABS warning light on the dashboard

• Unusual braking behavior

• Inconsistent speedometer readings

Common Causes

• Faulty wheel speed sensor

• Damaged wiring or connectors

• Malfunctioning ABS module

Glossary

ABS: Anti-lock Braking System

OBD-II: On-Board Diagnostics, Second Generation

Related Codes

• C0017

• C0020

Laymans terms

This code means that there's a problem with one of the wheels on your car. It's like when you're riding a bike and one of the wheels doesn't spin right.

Explanation

C0016 is a chassis code indicating an issue with the wheel speed sensor or related components.

Technical description

The C0016 code is triggered when the Anti-lock Braking System (ABS) module detects a malfunction in one of the wheel speed sensors. This sensor is responsible for monitoring the speed of each wheel and sending this information to the ABS module to ensure proper braking performance.

Diagnosis steps

• Check the ABS warning light and retrieve the code using an OBD-II scanner.

• Inspect the wheel speed sensor and wiring for damage.

• Test the ABS module for proper operation.

Repair procedures

• Replace the faulty wheel speed sensor.

• Repair or replace damaged wiring or connectors.

• Replace the ABS module if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Socket set

Estimated repair cost

$150 - $400

Difficulty level

Moderate

Commonly affected vehicles

• Toyota Camry

• Ford F-150

• Honda Accord

Preventive measures

• Regularly inspect wheel speed sensors.

• Keep ABS components clean and free of debris.

• Check wiring and connectors for corrosion.

Error code type

Sensor Issue

User experience recommendations

• If the ABS light is on, drive cautiously and avoid hard braking.

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

Warranty information

Check with your vehicle manufacturer for specific warranty coverage on ABS components.

Historical data

The C0016 code has been associated with various ABS issues since the introduction of OBD-II systems in vehicles.

Urgency level

Moderate – This issue affects braking performance and should be addressed promptly.

Legal and safety notice

Ignoring ABS warning lights can lead to decreased braking performance and increased risk of accidents.

Testing conditions

• Vehicle must be driven at a moderate speed.

• ABS system must be engaged during braking.

Component location

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

FAQs

Q: Can I drive my car with the C0016 code?
A: While you can drive with this code, it's not recommended as it affects your braking system.

Q: How do I reset the ABS light?
A: Fix the underlying issue first, then use an OBD-II scanner to clear the code.

Last updated: Jan 15, 2026 • Source: internal database
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