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P0128 Diagnostic Trouble Code Discussion for January 2025

Thermostat System Malfunction


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Trouble Ticket Help Requests for DTC P0128
Help Request Posted
2019 Dodge Grand Caravan SXT 3.6L None VIN: 2C4RDGBG7K
P0128: Thermostat rationality. Vehicle presented with single code P0128. Check data stream for temp sensors. All senses show to be reading correctly ambient temperature, intake air temperature, oil temperature, and coolant temperature. Cooling system was full no leaks. The cooling syste...
January 22, 2025