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Home >> Nissan-Datsun >> 2019 >> Sentra SR >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1.8L) (4 Of 4) >> DTC/Circuit Diagnosis >> DTC P2128: App Sensor >> DTC Description >> 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.