Code result

P2183

Engine Coolant Temperature Sensor 2 Circuit Range/Performance

Moderate severity

What it means

ECT sensor 2 reads in range but plausibility check fails — slow response, stuck reading, or value does not track ECT 1 across a warm-up.

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

  • Sensor drifts over service life

    high

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

  • Sensor element aged beyond calibration window

    low

    Less common, but worth ruling out after the more likely causes.

  • Sensor mounting loose - signal damping

    low

    Less common, but worth ruling out after the more likely causes.

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