P012B
Turbocharger/Supercharger Inlet Pressure Sensor A Circuit Range/Performance
P012B is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger Inlet Pressure Sensor A Circuit Range/Performance. Common causes: malfunction of inlet pressure sensor, open or short circuit in wiring harness. Estimated repair cost: $33–167.
Symptoms
- Reduced engine power
- Check Engine Light Is On
- Dips during acceleration
- Emergency engine operation
Causes
- Malfunction of inlet pressure sensor
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- Turbocharger/supercharger problems
- Engine ECU malfunction
How to Fix
- Check the sensor readings with a scanner
- Inspect the sensor circuit for breaks and corrosion
- Check connectors and connections
- Test sensor parameters over time
- If necessary, replace the sensor or restore the circuit
Related codes
Error P012B by Vehicle Brand
FAQ
What does the P012B code mean?
P012B is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger Inlet Pressure Sensor A Circuit Range/Performance
What causes a P012B error code?
The most common causes of P012B include: Malfunction of inlet pressure sensor; Open or short circuit in wiring harness; Poor contact in the sensor connector; Turbocharger/supercharger problems.
How do I fix a P012B diagnostic trouble code?
To fix P012B: Check the sensor readings with a scanner. Inspect the sensor circuit for breaks and corrosion. Check connectors and connections. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P012B?
Limited driving only, diagnose soon
How much does it cost to fix P012B?
The estimated repair cost for P012B is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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