OBD Guide

P25F5

Turbocharger/Supercharger Boost Sensor C Circuit High

P25F5 is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger Boost Sensor C Circuit High. Common causes: boost sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Reduced engine power
  • Engine transition to emergency mode
  • Increased fuel consumption
  • Unstable engine operation
  • Check Engine Light Illuminates

Causes

  • Boost sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Wiring Harness Problems
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Check the resistance and voltage of the boost sensor
  3. Replace faulty boost sensor if necessary
  4. Check and repair damaged wiring
  5. If necessary, diagnose and repair the ECU

Related codes

Error P25F5 by Vehicle Brand

FAQ

What does the P25F5 code mean?

P25F5 is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger Boost Sensor C Circuit High

What causes a P25F5 error code?

The most common causes of P25F5 include: Boost sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Wiring Harness Problems.

How do I fix a P25F5 diagnostic trouble code?

To fix P25F5: Check the integrity of the sensor wiring and connectors. Check the resistance and voltage of the boost sensor. Replace faulty boost sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P25F5?

Limited driving only, diagnose soon

How much does it cost to fix P25F5?

The estimated repair cost for P25F5 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

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