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Code C0657

Symptoms

• ABS warning light on

• Traction control system not functioning

• Possible speedometer issues

Common Causes

• Incorrect wheel speed sensor installed

• Misconfigured sensor settings

• Faulty or incompatible sensor

Glossary

OBD-II: On-Board Diagnostics, a standardized system in vehicles for self-diagnostics and reporting.

ABS: Anti-lock Braking System, a safety system that prevents wheels from locking up during braking.

Related Codes

• C0658

• C0659

Laymans terms

The car's computer is saying that the part that measures how fast the front left wheel is spinning isn't the right one for the car.

Explanation

The vehicle's control module has detected that the wrong type of wheel speed sensor is installed on the left front wheel.

Technical description

The C0657 code indicates that the vehicle's control module has identified a mismatch in the expected versus actual wheel speed sensor component on the left front wheel. This could be due to an incorrect sensor being installed or a misconfiguration in the system.

Diagnosis steps

• Verify part number of the installed sensor

• Check sensor compatibility with vehicle specifications

• Inspect wiring and connections for the sensor

Repair procedures

• Replace with correct wheel speed sensor

• Reconfigure sensor settings in the vehicle's control module

• Ensure proper connection and wiring of the sensor

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

• Ensure correct part number when replacing sensors

• Regularly check sensor connections

• Use OEM parts for replacements

Error code type

Sensor Issue

User experience recommendations

• Have a professional verify the correct sensor is installed

• Avoid driving in conditions where traction control is necessary until fixed

Warranty information

Check with the vehicle manufacturer for warranty coverage on sensor replacements.

Historical data

This code has been associated with incorrect aftermarket sensor installations.

Urgency level

Moderate – The vehicle can still be driven, but safety systems like ABS and traction control may not work properly.

Legal and safety notice

Operating a vehicle with impaired safety systems can increase the risk of accidents.

Testing conditions

• Vehicle must be on a level surface

• Ensure ignition is in the 'on' position without starting the engine

Component location

The left front wheel speed sensor is located near the brake assembly of the front left wheel.

FAQs

Q: Can I drive my car with this code?
A: Yes, but be aware that safety systems like ABS and traction control may not function properly.

Q: How can I prevent this issue?
A: Always use the correct, manufacturer-recommended parts when replacing sensors.

Last updated: Jun 8, 2026 • Source: internal database
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