P25F4
Turbocharger/Supercharger Boost Sensor C Circuit Low
P25F4 is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger Boost Sensor C Circuit Low. Common causes: boost pressure sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.
Symptoms
- Reduced engine power
- Deterioration in acceleration dynamics
- Check Engine Light Illuminates
- Unstable idling
- Increased fuel consumption
Causes
- Boost pressure sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Wiring Harness Problems
- Engine control unit malfunction
How to Fix
- Check the continuity of the boost pressure sensor circuit
- Inspect the connectors and contacts of the sensor
- Check the performance of the boost pressure sensor
- Replace sensor if necessary
- Check and update the ECU firmware if updates are available
Related codes
Error P25F4 by Vehicle Brand
FAQ
What does the P25F4 code mean?
P25F4 is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger Boost Sensor C Circuit Low
What causes a P25F4 error code?
The most common causes of P25F4 include: Boost pressure sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring Harness Problems.
How do I fix a P25F4 diagnostic trouble code?
To fix P25F4: Check the continuity of the boost pressure sensor circuit. Inspect the connectors and contacts of the sensor. Check the performance of the boost pressure sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P25F4?
Limited driving only, diagnose soon
How much does it cost to fix P25F4?
The estimated repair cost for P25F4 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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