DTC Detection Logic

WARNING: This page is about a different car, the 2018 Nissan NV3500 HD, 2018 Nissan NV2500 HD, and 2018 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If DTC P050A or P050E is displayed with other DTC, first perform the trouble diagnosis for other DTC.

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P050A

COLD START CONTROL

(Cold start idle air control system performance)

ECM does not control engine idle speed properly when engine is started with pre-warming up condition.

Lack of intake air volume
Fuel injection system
ECM

P050E

COLD START CONTROL

(Cold start engine exhaust temperature too low)

The temperature of the catalyst inlet does not rise to the proper temperature when the engine is started with pre-warming up condition.