DTC Detection Logic

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

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

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 and 2 circuit is open or shorted.)

(TP sensor circuit is shorted.)
Accelerator pedal position sensor (APP sensor 1 or 2)
Electric throttle control actuator (TP sensor 1 and 2)