P2B90
Turbocharger/Supercharger B Temperature Sensor Circuit Low
P2B90 is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger B Temperature Sensor Circuit Low. Common causes: turbocharger b temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Reduced engine power
- Increased fuel consumption
- The engine goes into emergency mode
- Check Engine light comes on
- Turbocharger overheating
Causes
- Turbocharger B temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in sensor connectors
- Wiring harness damage
- Engine ECU malfunction
How to Fix
- Check temperature sensor of turbocharger B for resistance
- Inspect the sensor circuit for breaks and short circuits
- Check sensor connectors and contacts
- Replace temperature sensor if necessary
- Check and replace wiring harness if necessary
Related codes
Error P2B90 by Vehicle Brand
FAQ
What does the P2B90 code mean?
P2B90 is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger B Temperature Sensor Circuit Low
What causes a P2B90 error code?
The most common causes of P2B90 include: Turbocharger B temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Wiring harness damage.
How do I fix a P2B90 diagnostic trouble code?
To fix P2B90: Check temperature sensor of turbocharger B for resistance. Inspect the sensor circuit for breaks and short circuits. Check sensor connectors and contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2B90?
Limited driving only, diagnose soon
How much does it cost to fix P2B90?
The estimated repair cost for P2B90 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat