Brakes / ABS · Severity: High
C0035 — Left Front Wheel Speed Sensor Circuit
The ABS module sees an implausible or missing signal from the left front wheel speed sensor.
Common symptoms
- ABS and traction control lights on
- ABS disabled
- Speedometer erratic on some models
Likely causes
- Damaged sensor wiring near the hub
- Dirty or cracked tone ring
- Excessive wheel bearing play
- Failed sensor
First test to run
Compare live wheel speed of all four wheels while driving slowly; then inspect wiring and tone ring at the left front hub.
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