DTC Detection Logic

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P2127

APP SEN 2/CIRC

(Accelerator pedal position sensor 2 circuit low input)

An excessively low voltage from the APP sensor 2 is sent to ECM.

• Harness or connectors

  (Accelerator pedal position sensor 2 circuit is open or shorted.)

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

P2128

APP SEN 2/CIRC

(Accelerator pedal position sensor 2 circuit high input)

An excessively high voltage from the APP sensor 2 is sent to ECM.