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Home >> Infiniti >> 2012 >> G37 IPL, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (EV Control System) >> DTC/Circuit Diagnosis >> DTC P2127, P2128: App Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION AND POSSIBLE CAUSES

DTC Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P2127 APP SENSOR E (Accelerator pedal position sensor 2 circuit low input) An excessively low voltage from the APP sensor 2 is sent to VCM.
  • Harness or connectors (Accelerator pedal position sensor 2 circuit is shorted.)
  • Accelerator pedal position sensor 2
P2128 APP SENSOR E (Accelerator pedal position sensor 2 circuit high input) An excessively high voltage from the APP sensor 2 is sent to VCM.