2014 – Dodge Charger – How To Fix P0128 Error Code

My 2014 Dodge Charger threw a check engine light last week while my wife was driving home from work. After a brief read from my scan tool it was revealed that the error code is was P0128. Most likely culprit, the thermostat!

What is a P0128 error code?

The official meaning for the P0128 error code is “Coolant Temperature Below Thermostat Regulating Temperature” In plain English the car is basically saying that after a predetermined amount of time the coolant temperature has not come up to normal operating temperature. In other words the car is to cold! Modern fuel injected engines like to run at their specified operating temperature, and in the short term this is mainly a nuisance check-engine light, in the long run it could damage you engine and should be addressed. Continue reading “2014 – Dodge Charger – How To Fix P0128 Error Code”