DTC P1622: EEPROM Reading/Writing Error: Troubleshooting
WARNING: This page is about a different car, the 2011 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
- 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 .