Code result

P042A

Catalyst Temperature Sensor Circuit

Moderate severity

What it means

A general electrical fault on the catalyst temperature sensor at bank 1 sensor 2.

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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