Code result

P25F2

Turbocharger/Supercharger Boost Sensor C Circuit

Moderate severity

What it means

A third boost pressure sensor (C) used on twin-stage or sequential boost systems returns no usable signal. Without it, boost control of the third stage runs open-loop or is disabled.

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 sensor element or broken signal wire

    high

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

  • Corroded connector at sensor pigtail

    medium

    A plausible cause — test and verify before replacing parts.

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