Code result

C003E

Rear Wheel Speed Sensor Supply

High severity

What it means

Fault on 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

    high

    One of the most commonly reported causes for this code — check this first.

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