Code result

B0233

Rear Tail Lamp Circuit

Moderate severity

What it means

The body control module has detected a fault in the rear tail lamp circuit. The lamp does not match the commanded state.

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

  • Bulb burned out

    high

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

  • Wiring open or socket corroded

    medium

    A plausible cause — test and verify before replacing parts.

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