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Home >> Ford >> 2005 >> Escape Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 35 (Engine Controls - Powertrain DTC Charts And Description - (Hybrid)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> DTC P2121: Accelerator Pedal Position (App) Sensor Circuit 1 Range/Performance

DTC P2121: Accelerator Pedal Position (App) Sensor Circuit 1 Range/Performance

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P2121 - ACCELERATOR PEDAL POSITION (APP) SENSOR CIRCUIT 1 RANGE/PERFORMANCE

Description:  The APP sensor fault flag is set for sensor 1 by the powertrain control module (PCM), indicating the signal is out of the normal self-test operating range.
Possible Causes: 
  • Damaged APP sensor.
  • APP1 circuit open.
  • APP1 circuit short to GND.
  • APP1 circuit short to PWR.
  • APP sensor signal circuits are shorted together.
  • Damaged PCM.
Diagnostic Aids:  An APP1 sensor PID reading may indicate a fault.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test DK .