Code result

P213C

EGR Throttle Control Circuit B Low

Moderate severity

What it means

EGR throttle B drive line stuck low — short to ground. EGR mixes inert exhaust into intake to lower combustion peak temperature — too little raises NOx, too much causes misfires and rough running.

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

  • Short to ground

    high

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

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