Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
The car's computer is having trouble getting a steady signal from the sensor that tells it how fast the right front wheel is spinning. It's like when your video game controller keeps disconnecting.
The code indicates that the signal from the right front wheel speed sensor is not consistent, causing intermittent or erratic readings.
The wheel speed sensor is responsible for sending data about the wheel's speed to the vehicle's computer. An intermittent or erratic signal could be due to a faulty sensor, wiring issues, or a problem with the sensor's connection. This can affect systems like ABS and traction control that rely on accurate wheel speed data.
• ABS warning light on
• Traction control warning light on
• Inconsistent braking performance
• Faulty wheel speed sensor
• Damaged or corroded wiring
• Poor connection at the sensor or control module
ABS: Anti-lock Braking System
OBD-II: On-Board Diagnostics, Second Generation
• Inspect the wheel speed sensor and its wiring for damage.
• Check the sensor's connection to the vehicle's control module.
• Use an OBD-II scanner to monitor the sensor's signal for erratic behavior.
• Replace the faulty wheel speed sensor.
• Repair or replace damaged wiring.
• Ensure all connections are secure and free of corrosion.
• OBD-II scanner
• Multimeter
• Socket set
$100 - $300
Moderate
• Chevrolet Silverado
• GMC Sierra
• Cadillac Escalade
• Regularly inspect wheel speed sensors and wiring.
• Avoid driving through deep water that can damage sensors.
• Keep the wheel area clean to prevent debris buildup.
Sensor Issue
• Have the vehicle inspected by a professional if the ABS light comes on.
• Avoid harsh braking until the issue is resolved.
• Monitor for any changes in braking performance.
Check with the vehicle manufacturer for sensor coverage under warranty.
Wheel speed sensor issues have been common in vehicles with advanced braking systems due to their reliance on precise sensor data.
Moderate – While the vehicle can still be driven, braking performance may be compromised.
Driving with a malfunctioning wheel speed sensor can affect braking performance and may not comply with vehicle safety standards.
• Vehicle stationary
• Vehicle in motion at various speeds
The right front wheel speed sensor is located near the brake rotor of the right front wheel.
Q: Can I drive with a C050A code?
A: While you can drive, it's not recommended due to potential braking performance issues.
Q: How long does it take to fix a wheel speed sensor?
A: Typically, it takes about 1-2 hours to diagnose and replace a faulty sensor.
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.
View on AmazonThese are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.