Code result

P0198

Engine Oil Temperature Sensor High

Moderate severity

What it means

Engine oil temperature sensor signal exceeds maximum. Shorted to voltage, open ground or open sensor.

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

  • Signal wire shorted to voltage

    high

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

  • Sensor open-circuit

    medium

    A plausible cause — test and verify before replacing parts.

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