Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer is having trouble reading the speed of the left front wheel. It's like if your bike's speedometer wasn't working properly.
The code indicates a problem with the performance or range of the signal from the left front wheel speed sensor.
C0652 is a chassis code related to the wheel speed sensor on the left front wheel. This sensor is part of the Anti-lock Braking System (ABS) and provides data on the wheel's speed to the vehicle's computer. If the sensor's signal is out of the expected range or performance, the ABS may not function correctly.
• ABS warning light on the dashboard
• Inoperative ABS system
• Inconsistent braking performance
• Faulty wheel speed sensor
• Damaged wiring or connectors
• Faulty ABS module
ABS: Anti-lock Braking System
OBD-II: On-Board Diagnostics, Second Generation
• Check for any visible damage to the wheel speed sensor and wiring.
• Use a multimeter to test the sensor's resistance and signal output.
• Inspect the ABS module for any faults.
• Replace the faulty wheel speed sensor.
• Repair or replace damaged wiring or connectors.
• Replace the ABS module if necessary.
• Multimeter
• OBD-II scanner
• Basic hand tools
$150 - $400
Moderate
• Chevrolet Silverado
• GMC Sierra
• Cadillac Escalade
• Regularly inspect the wheel speed sensors and wiring.
• Keep the ABS system clean and free of debris.
• Perform regular maintenance checks.
Sensor Issue
• Do not ignore the ABS warning light.
• Get the issue diagnosed and repaired promptly to ensure safe braking.
• Consider consulting a professional mechanic if unsure.
Check your vehicle's warranty for coverage on ABS components.
This code has been commonly reported in vehicles with aging ABS systems or after exposure to harsh driving conditions.
Moderate – While the vehicle can still be driven, the ABS may not function correctly, which can affect braking safety.
Driving with a malfunctioning ABS can increase the risk of accidents. It is advisable to have the issue addressed promptly.
• Vehicle stationary and ignition on
• Use of diagnostic tools to read sensor data
The left front wheel speed sensor is located near the brake rotor on the left front wheel.
Q: What does a wheel speed sensor do?
A: A wheel speed sensor measures the speed of the wheel and sends this information to the vehicle's computer to help control the ABS.
Q: Can I drive with a C0652 code?
A: While you can drive, it's not recommended as the ABS may not work properly, affecting braking safety.
Pro · Four-system diagnostics
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.
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Universal · 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.
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Universal · Drive-on ramps
Helpful for safer access underneath the vehicle during exhaust, EVAP, and underbody inspection work.
Helpful for safer access during underbody inspection work.
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