Powertrain Definition only Lights the check engine lamp

P2D25: Turbocharger Interstage Pressure Sensor A Circuit Intermittent/Erratic

Standardized SAE J2012 code · P2Dxx codes

What does P2D25 mean?

The ECM detects a circuit intermittent/erratic fault on the turbocharger interstage pressure sensor a circuit. Reading cannot be used reliably for control.

The code tells you which monitor failed, not which part is broken. Test before replacing parts.

Symptoms

  • Check engine light on
  • Significant power loss / limp mode
  • Possible blue or black smoke from exhaust
  • Whistling or hissing sound from intake

Common causes

  • High Sensor connector not seated
  • Medium Noisy ground reference
  • Low Connector with intermittent contact under vibration

Likelihood is a general estimate across vehicles; your make and model may differ.

Add your car to see reports of P2D25 on the same make and model first.

P2D25 in the community

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