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Code C0659

Quick reference

C0659 at a glance

Plain-language meaning
This means there's a problem with a sensor on the right front wheel of the car. The sensor helps the car know how fast that wheel is spinning, and it's not working right.
Urgency
Moderate – While the vehicle may still be drivable, the ABS and traction control systems may not function properly, increasing the risk of skidding or loss of control.
Difficulty
Moderate
System
Sensor Issue
Tools mentioned
OBD-II scanner, Multimeter, Socket set

This summary uses the existing diagnostic information shown in full below.

Laymans terms

This means there's a problem with a sensor on the right front wheel of the car. The sensor helps the car know how fast that wheel is spinning, and it's not working right.

Explanation

The wheel speed sensor measures the speed of the wheel and sends this information to the car's computer. This code indicates that the sensor on the right front wheel is not performing within the expected range.

Technical description

The C0659 code is triggered when the vehicle's control module detects a performance issue with the right front wheel speed sensor. This sensor is crucial for systems like ABS and traction control, as it provides real-time data on wheel speed. A range/performance issue means the sensor is not providing data within the expected parameters, which could be due to a malfunctioning sensor, wiring issues, or other related faults.

Symptoms

• ABS warning light on

• Traction control light on

• Inconsistent speedometer readings

Common Causes

• Faulty right front wheel speed sensor

• Damaged or corroded wiring or connectors

• Malfunctioning ABS module

Glossary

ABS: Anti-lock Braking System

OBD-II: On-Board Diagnostics, Second Generation

Diagnosis steps

• Inspect the right front wheel speed sensor for damage.

• Check the wiring and connectors for corrosion or damage.

• Use a multimeter to test the sensor's resistance and output.

Repair procedures

• Replace the right front wheel speed sensor if faulty.

• Repair or replace damaged wiring or connectors.

• Reset the ABS system and clear the code.

Tools required

• OBD-II scanner

• Multimeter

• Socket set

Estimated repair cost

$100 - $300

Difficulty level

Moderate

Commonly affected vehicles

• Chevrolet Silverado

• GMC Sierra

• Cadillac Escalade

Preventive measures

• Regularly inspect wheel speed sensors for damage.

• Keep sensor areas clean and free of debris.

• Perform routine maintenance checks.

Error code type

Sensor Issue

User experience recommendations

• Avoid driving at high speeds until the issue is resolved.

• Have the vehicle inspected by a professional mechanic.

• Do not ignore the ABS warning light.

Warranty information

Wheel speed sensors may be covered under powertrain or emissions warranty, depending on the vehicle and manufacturer.

Historical data

Wheel speed sensor issues have historically been common in vehicles with high mileage or those exposed to harsh conditions.

Urgency level

Moderate – While the vehicle may still be drivable, the ABS and traction control systems may not function properly, increasing the risk of skidding or loss of control.

Testing conditions

• Vehicle stationary with ignition on

• Vehicle moving at low speed

Component location

The right front wheel speed sensor is located near the wheel hub assembly on the right front wheel of the vehicle.

FAQs

Q: Can I drive with a C0659 code?
A: While you can drive, it's not recommended as the ABS and traction control systems may not work properly.

Q: How do I reset the ABS light?
A: After repairs, use an OBD-II scanner to clear the code and reset the light.

Optional diagnostic gear

Tools that may help diagnose C0659

FOXWELL Multi-System Scanner diagnostic tool illustration

Pro · Four-system diagnostics

FOXWELL Multi-System Scanner

A handheld scanner aimed at engine, transmission, ABS, and airbag diagnostic work.

Chassis and ABS faults usually need a scanner that can read brake-system data directly.

View on Amazon
EPAuto 1/2" Torque Wrench diagnostic tool illustration

Universal · Torque wrench

EPAuto 1/2" Torque Wrench

Useful when reassembly torque matters for wheel, suspension, and under-hood fasteners.

Useful when wheel, hub, or suspension hardware needs correct reassembly torque.

View on Amazon
MaxxHaul Vehicle Ramps diagnostic tool illustration

Universal · Drive-on ramps

MaxxHaul Vehicle Ramps

Helpful for safer access underneath the vehicle during exhaust, EVAP, and underbody inspection work.

Helpful for safer access during underbody inspection work.

View on Amazon

These are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.

Source: ezOBD2 diagnostic database
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