P1622

DTC P1622: EEPROM Reading / Writing Error

Detecting Condition And Trouble Area:

Detecting Condition and Trouble Area

Troubleshooting
1. Clear DTC(s) referring to DTC Clearance.
2. Turn the ignition switch to OFF position.
3. 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.
4. Replace ECM with new one referring to Engine Control Module (ECM) Removal and Installation.
5. Perform Procedure after ECM Replacement. Detecting Condition Trouble Area EEPROM in ECM is corrupted. Internal failure (EEPROM corruption) of ECM