Code result

P0062

HO2S Heater Control Circuit

Moderate severity

What it means

Generic electrical fault in the heater control of bank 2 sensor 3. The sensor heater warms the element to operating temperature (~600 °C); without it the lambda sensor stays inactive in closed loop and the ECM cannot trim mixture.

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

  • Heater element open

    high

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

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