On Board Diagnosis Logic
WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
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 stuck open.
DTC DETECTING CONDITION AND POSSIBLE CAUSE
| DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause |
|---|---|---|---|
| P0128 0128 |
Thermostat function | The engine coolant temperature does not reach to specified temperature even though the engine has run long enough. |
|