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 P0128 is displayed with DTC P0300, P0301, P0302, P0303, P0304, P0305 or P0306, first perform the trouble diagnosis for P0300, P0301, P0302, P0303, P0304, P0305 or P0306, Refer to DTC Description
.
Engine coolant temperature has not risen enough to open the thermostat even though the engine has run long enough.
This is due to a leak in the seal or the thermostat being stuck open.
|
DTC No. |
Trouble diagnosis name (Trouble diagnosis content) |
DTC detecting condition |
Possible cause |
|
P0128 |
THERMSTAT FNCTN [Coolant thermostat (coolant temperature below thermostat regulating temperature)] |
The engine coolant temperature does not reach to specified temperature even though the engine has run long enough. |
|