FixVault

DTC Detection Logic

NOTE:

If DTC P2138 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to  DTC LOGIC  . 

DTC No. Trouble diagnosis name
(Trouble diagnosis content)
DTC detecting condition Possible cause
P2138 APP SENSOR
(Accelerator pedal position sensor circuit range/performance)
Rationally incorrect voltage is sent to ECM compared with the signals from APP sensor 1 and APP sensor 2.
  • Harness or connectors

    (APP sensor 1 or 2 circuit is open or shorted.)

  • Accelerator pedal position sensor (APP sensor 1 or 2)
  • Sensor power supply 1 and 2