P2377
Turbocharger/Supercharger Inlet Pressure Sensor B Circuit High
P2377 is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger Inlet Pressure Sensor B Circuit High. Common causes: boost pressure sensor b malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $33–167.
Symptoms
- Loss of engine power
- Check Engine Light Illuminates
- Engine transition to emergency mode
- Unstable engine operation
- Increased fuel consumption
Causes
- Boost pressure sensor B malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Wiring harness damage
- Engine ECU malfunction
How to Fix
- Check the condition of the boost pressure sensor B
- Check the integrity of wiring and connectors
- Measure resistance and sensor signal
- Check the power and ground of the sensor circuit
- If necessary, replace the sensor or repair the wiring
Related codes
Error P2377 by Vehicle Brand
FAQ
What does the P2377 code mean?
P2377 is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger Inlet Pressure Sensor B Circuit High
What causes a P2377 error code?
The most common causes of P2377 include: Boost pressure sensor B malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.
How do I fix a P2377 diagnostic trouble code?
To fix P2377: Check the condition of the boost pressure sensor B. Check the integrity of wiring and connectors. Measure resistance and sensor signal. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2377?
Limited driving only, diagnose soon
How much does it cost to fix P2377?
The estimated repair cost for P2377 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat