P012D - Turbocharger/Supercharger Inlet Pressure Sensor Circuit High

System Information

A Turbocharger Inlet Pressure sensor measures the pressure in the air intake system prior to the Turbocharger.

Fault Code Explained

The ECM has detected that the sensor output is above it’s maximum operating parameter or is higher than expected for the current operating conditions.

Recommended Tests

If possible use a diagnostic computer to view live data readings for the sensor and compare to actual Inlet Pressure.