C0035: Left Front Wheel Speed Sensor Supply/Circuit
ABS/ESC module detects an open circuit, short, or missing pulse signal from the front-left wheel speed sensor.
| Trouble Code (DTC) | C0035 |
|---|---|
| Official SAE Definition | Left Front Wheel Speed Sensor Supply/Circuit |
| Vehicle Subsystem | chassis |
| Driving Severity | MEDIUM |
Observable Symptoms
- ABS, ESC/ESP, and traction control warning lights illuminated
- ABS pulsating deactivated during hard braking
Most Probable Root Causes
- Broken wheel speed sensor cable in front wheel arch
- Metallic debris or rust scale on magnetic encoder ring
- Faulty Hall-effect wheel speed sensor
Step-by-Step Diagnostic Procedure
- Read all 4 wheel speeds in live ABS data while rolling at 10 km/h
- Inspect front-left sensor harness and wheel bearing magnetic tone ring