Code result

U068F

Lost Communication With EGR Temperature Sensor C

Moderate severity

What it means

The vehicle bus reports loss of communication with smart EGR temperature sensor C. EGR cooling diagnostic switches to model-based estimation.

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

  • Bus wiring open or shorted

    high

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

  • Module without power or ground

    medium

    A plausible cause — test and verify before replacing parts.

  • Module failed

    medium

    A plausible cause — test and verify before replacing parts.

Get the full diagnosis

Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.

Diagnose U068F free

No credit card required