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DTC P012D: Turbocharger/Supercharger Inlet Pressure Sensor Circuit High

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
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: 
  • MAP signal short to voltage
  • VREF circuit short to voltage
  • Open circuit
Diagnostic Aids:  The VREF voltage should be between 4.0 and 6.0 volts.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DM .