What does the diagnostic trouble code DTC P0128 mean?
What does the diagnostic trouble code DTC P0128 mean? The P0128 code means that the engine coolant is not getting warm enough, fast enough. In other words, there is a problem with the engine operating temperature not being reached within a certain amount of time. The Engine Control Module (ECM) determines this length of time based on ambient temperature. What does the DTC code p0125 stand for? Diagnostic trouble code (DTC) P0125 code stands for “Insufficient Coolant Temperature for Closed Loop Fuel Control.” What causes the p0125 code to set when coolant is low? If the coolant is low, it...