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Home >> Mercury >> 2009 >> Sable Premier, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1255 (Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid)) >> DTC Diagnosis >> DTC P012D: - Turbocharger/Supercharger Inlet Pressure Sensor Circuit High

DTC P012D: - Turbocharger/Supercharger Inlet Pressure Sensor Circuit High

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DTC P012D: - TURBOCHARGER/SUPERCHARGER INLET PRESSURE SENSOR CIRCUIT HIGH

Description:  Manifold absolute pressure (MAP) sensor operating voltage is above the maximum calibrated parameter of 5 volts.
Possible Causes: 
  • VREF shorted to VPWR
  • MAP signal shorted to VPWR
  • VREF circuit short to voltage
  • Open circuit
Diagnostic Aids:  VREF should be greater than 4.0 volts.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test DM .