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Home >> Nissan-Datsun >> 2021 >> Qashqai SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 4) >> Engine (ECM) >> DTC P0128: Thermostat Function >> DTC Description >> Notes

DTC Description: Notes

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.