P2181 Code Dodge Nitro, Possible causes; Radiator, coolant thermostat, engine coolant blower motor. This code indicates that the engine coolant temperature sensor has I had this exact code on my Nitro and the same indicators on the dash. I replaced the coolant temperature sensor and the problem has not come back. Unlike the temperature sensor performance diagnostic that runs only on cold We take a closer look at the P2181 trouble code. P2181= Cooling system performance. When the onboard computer (ECM) detects the coolant temperature is too hot or cold and outside the correct range, it will give a P2181 trouble code. Several components work together to keep an engine The P2181 diagnostic trouble code for Dodge vehicles relates to the cooling system performance of the vehicle. Unlike most generic-computer fault codes that are relatively specific as to the items or area the fault occurred, code P2181 is vague to say the least. Our guide shows you what it means, what faulty parts are causing it, the symptoms it can present and Learn what triggers the P2181 code, how to diagnose cooling system issues, and what steps to take to safely fix overheating or overcooling problems. The fault is recognized and set if the engine This diagnostic is used to detect an Engine Coolant Temperature (ECT) Sensor that is in range but reading incorrectly. The only difference is I have the 4. This DTC is set when the coolant temperature sensor fails a self test, . 0 Reading P2181 on your code reader? Find out what this code means and how to fix it. xzbc2wbjalge6mydethu8ffyde3okaosfanofv1lgpabhqmu