What does the obd code P1624 mean on a 2001 Kia Sephia?

The OBD code P1624 on a 2001 Kia Sephia indicates an issue with the Engine Control Module (ECM) related to the power supply. This code can arise from problems such as a weak battery, poor connections, or faults in the wiring between the battery and the ECM. It may also indicate a malfunctioning ECM itself. To resolve this, it's essential to inspect the electrical connections and battery condition before considering ECM replacement.