Code result
C003C
Rear Tone Wheel
High severity
What it means
Fault on shared rear tone wheel (single rear sensor on solid axle).
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Tone ring damaged or contaminated
highOne of the most commonly reported causes for this code — check this first.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose C003C freeNo credit card required