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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1975 (Engine Controls - Powertrain DTC Charts And Descriptions - (Hybrid)) >> DTC Diagnosis >> P2123 - Throttle/Pedal Position Sensor/Switch D Circuit High

P2123 - Throttle/Pedal Position Sensor/Switch D Circuit High

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
P2123 - THROTTLE/PEDAL POSITION SENSOR/SWITCH D CIRCUIT HIGH

Description:  The accelerator pedal position (APP) sensor 1 is out of self-test range high.
Possible Causes: 
  • APP1 circuit short to VREF
  • APP sensor harness open
  • Damaged APP sensor
Diagnostic Aids:  An APP1 sensor PID reading may indicate a concern.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All   refer to PINPOINT TEST DK .