DTC P1622: EEPROM Reading/Writing Error: Troubleshooting
- Clear DTC(s) referring to DTC CLEARANCE .
- Turn the ignition switch to OFF position.
- Check if DTC P1622 is still detected referring to DTC CHECK . If still detected, go to the next step. If not, the troubleshooting is completed.
- Replace ECM with new one referring to ENGINE CONTROL MODULE (ECM) REMOVAL AND INSTALLATION .
- Perform PROCEDURE AFTER ECM REPLACEMENT .