Code result
C0030
Left Front Wheel Speed Sensor Circuit Range/Performance
Moderate severity
What it means
The signal from the left front wheel speed sensor is implausible relative to the other wheels. Typical causes are excessive air gap, contaminated tone ring or partial sensor failure.
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
Metal debris on tone ring (magnetic encoder)
highOne of the most commonly reported causes for this code — check this first.
Sensor air gap too large
mediumA plausible cause — test and verify before replacing parts.
Sensor intermittent at temperature
mediumA plausible cause — test and verify before replacing parts.
Related help
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