Helpful Automotive Resources
P2181 Code: Cooling System PerformanceUnlike other DTCs that point to specific components that might be malfunctioning, this powertrain code is generic and does not include any specifics. Therefore, it is important to check for other codes that may have been logged by onboard diagnostics.
P0125 Code: Insufficient Coolant Temperature for Closed Loop Fuel ControlDiagnostic trouble code (DTC) P0125 code stands for “Insufficient Coolant Temperature for Closed Loop Fuel Control.” It means the engine coolant temperature (ECT) sensor is telling the powertrain control module (PCM) that the engine isn’t reaching the temperature required for it to go into closed-loop operation within the specified time