On Board Diagnostic (OBD), technical data: Notes

Control module identification 

The control module version is displayed under address word 33 by selecting "Diagnostic mode 9: Vehicle information". Refer to Diagnostic mode 9: Vehicle information 

Equipment of Engine Control Module (ECM). Refer to Engine Control Module (ECM) equipment 

Equipment of Transmission Control Module (TCM). Refer to Equipment of Transmission Control Module (TCM) 

Selectable diagnostic modes under address word 33 - OBD. Refer to Selectable diagnostic modes under address word 33 - OBD