C1234
Right Front Wheel Speed Sensor Input Signal Missing
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–89 (est.)
Symptoms
- ABS light is on
- Disabling the stabilization system
- Incorrect speedometer readings (on some models)
Causes
- Wheel speed sensor malfunction
- Open or shorted wiring harness
- Poor contact in the sensor connector
- Damage to the ring gear on the hub
How to Fix
- Check the integrity of the sensor wiring harness
- Clean sensor connector contacts
- Check the sensor resistance (compare with the norm)
- Inspect the ring gear on the hub
- If necessary, replace the sensor or wiring harness