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Home >> Infiniti >> 2018 >> QX30 Essential, FWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (2 Of 4) >> DTC/Circuit Diagnosis >> DTC P0128: Thermostat Function >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No.

CONSULT screen terms

DTC detecting condition

(Trouble diagnosis content)

Malfunction type

P0128

00

Coolant thermostat

[Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)]

NO SUBTYPE INFORMATION

The coolant temperature is below the coolant thermostat specified temperature.
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