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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> DTC Diagnosis >> DTC P0223: - Throttle/Pedal Position Sensor/Switch B Circuit High

DTC P0223: - Throttle/Pedal Position Sensor/Switch B Circuit High

DTC P0223: - THROTTLE/PEDAL POSITION SENSOR/SWITCH B CIRCUIT HIGH

Description:  The electronic throttle control (ETC) throttle position (TP) sensor 2 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
  • Damaged TP sensor
  • ETC TP2 circuit open
  • VREF circuit short to TP sensor
Diagnostic Aids:  This concern exhibits a symptom of limited power. A TP2 PID reading greater than 4.75 volts in ignition ON, engine OFF or ignition ON, engine running indicates a concern is present.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test DV .