Code result
C0235
Wheel Speed Sensor Signal Erratic
Moderate severity
What it means
The ABS control module has detected an erratic wheel speed sensor signal — sudden jumps or dropouts compared to the other wheels. Typical causes are a damaged tone ring or a loose sensor.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Tone ring damaged or contaminated with metal debris
highOne of the most commonly reported causes for this code — check this first.
Wheel speed sensor loose in housing
mediumA plausible cause — test and verify before replacing parts.
Excessive hub bearing play
lowLess common, but worth ruling out after the more likely causes.
Related help
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