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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 1025 (Engine Controls - Powertrain DTC Charts And Descriptions - (Hybrid)) >> DTC Diagnosis >> P0123 - Throttle/Pedal Position Sensor A Circuit High

P0123 - Throttle/Pedal Position Sensor A 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.
P0123 - THROTTLE/PEDAL POSITION SENSOR A CIRCUIT HIGH

Description:  The electronic throttle control (ETC) throttle position (TP) sensor 1 circuit was flagged as a concern by the powertrain control module (PCM) indicating a high voltage.
Possible Causes: 
  • ETC TP sensor harness shorted to VREF
  • ETC TP sensor harness shorted to PWR
  • Damaged TP sensor
  • VREF circuit shorted to TP sensor
Diagnostic Aids:  The TP1 signal is normally at a high voltage at closed throttle, and a lower voltage at wide open throttle (WOT) (opposite of TP2).
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All   refer to PINPOINT TEST DV .
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