Code result

P2206

NOx Sensor Circuit

High severity

What it means

A general electrical fault on the bank 2 NOx sensor circuit. NOx sensors are smart sensors with a CAN/LIN interface; this code typically indicates that the sensor module no longer responds.

Is it safe to drive?

No — stop driving

This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.

Most likely causes

  • NOx sensor module failed

    high

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

  • Wiring open or connector loose

    medium

    A plausible cause — test and verify before replacing parts.

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