Code result

P262C

Sensor Reference Voltage G Circuit / Open

Moderate severity

What it means

The 5 V reference G output that the engine controller supplies to a group of sensors is open. All sensors fed from this rail will report invalid readings.

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

  • Open wire on the reference rail

    high

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

  • Open inside the ECU reference output

    medium

    A plausible cause — test and verify before replacing parts.

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