Code result

P00B1

Radiator Coolant Temperature Sensor Circuit

Moderate severity

What it means

Generic electrical fault at the radiator coolant temperature sensor (downstream of radiator, used for thermostat diagnosis).

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 failed

    high

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

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