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Home >> Nissan-Datsun >> 2013 >> Sentra FE+SV >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Codes & Symptom Tests) >> DTC/Circuit Diagnosis >> DTC P2127, P2128: App Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause
P2127 APP SEN 2/CIRC (Throttle/Pedal position sensor/switch "E" circuit low) An excessively low voltage from the APP sensor 2 is sent to ECM.
  • Harness or connectors (APP sensor 2 circuit is open or shorted.)
  • Accelerator pedal position sensor (APP sensor 2)
  • Sensor power supply 2 circuit
P2128 APP SEN 2/CIRC (Throttle/Pedal position sensor/switch "E" circuit high) An excessively high voltage from the APP sensor 2 is sent to ECM.
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