1. read EE on the 20-21 ECU (Service Mode->Read EE)
2. flash in a file for the 2022 vehicle in the 20-21 ECU (8 credits)
ON TRUCK
3. read asbuilt (OBD->AsBuilt->Read)
4. swap the ecus, place 20-21 ECU in the 22 truck
5. write asbuilt (OBD->AsBuilt->Write)
6. learn vehicle data (OBD->MiscRoutines->Configuration Relearn). leave
key on for 30 seconds, shut
key off for 30 seconds. turn key back on
7. read BCM eeprom (OBD->Misc Routines->PATs->BCM EEPROM Read)
8. do PATs reset. (OBD->Misc Routines->PATs->PATs Reset)
If the pats reset fails, send a picture of the debug window and the BCM
EE read file to AVTO Komander tech support.