If the engine temperature is unusually high or low, fault code P2181 will be recorded. The Engine Coolant Temperature sensor (ECT) is responsible for sending the engine temperature information to the Powertrain Control Module. The PCM uses this information to ...
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P0406 Exhaust Gas Recirculation (EGR) Sensor A Circuit High Fault: What is it?
The fault code P0406 is ‘Exhaust Gas recirculation (EGR), Sensor A Circuit High.’ When the powertrain control module detects high voltage from the exhaust-gas-recirculation position sensor (EGR), it triggers the fault code P0406. The EGR position sensors detect the position ...
P0405 Exhaust Gas Recirculation Sensor ‘A’ Circuit Low Fault: What is it?
EGR systems are used to control the emission of nitrogen oxides (NOx). The Engine Control Module (ECM), when the sensor that monitors the position of EGR valves sends lower voltage signals than normal, stores the P0405 error code in its ...
P0521 Engine Oil Pressure Sensor/Switch Range/Performance Fault: What is it?
The engine oil pressure should be in the correct range to keep it running smoothly. It is important to maintain the correct oil pressure to avoid wear and tear on moving parts in your engine. A problem is indicated by ...
P0400 Exhaust Gas Recirculation (EGR) Flow Malfunction Fault: What is it?
The P0400 code is displayed by your OBD-II scan tool if you detect a problem with the Exhaust Gas Recirculation system (EGR). If it detects a lower EGR flow than expected, the Powertrain Control Module stores the P0400 error code ...