Code result
C003B
Right Rear Wheel Speed Sensor Supply
High severity
What it means
Fault on right rear wheel speed sensor supply circuit. Wheel-speed signals feed ABS, ESC, traction control, transmission and odometer — a single dropped signal disables all of these safety functions until repaired.
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
Supply wiring fault
highOne of the most commonly reported causes for this code — check this first.
Related help
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