Control Module Identification

Control Module Identification

The control module version is displayed under address word 33 by selecting " Diagnostic mode 9: Vehicle information" --> [ Diagnostic Mode 09 - Read Vehicle Information ] .

Equipment of Engine Control Modules (ECM)

Equipment of Transmission Control Module (TCM)

Selectable diagnostic modes under address word 33 - OBD.

Equipment of Engine Control Modules (ECM)





* Tier 1 = Non-Low Emission Vehicles (emission values max. 0.25 g/mi HC)

* Independent of voltage supply.

* Values are lost when voltage supply is interrupted.

Equipment of Transmission Control Module (TCM)





* Independent of voltage supply.

Selectable diagnostic modes under address word 33 - OBD

• The conditions required for selecting the desired diagnostic mode are listed in the following table:





* Perform only with ignition switched on when engine does not start (operate starter beforehand for at least 6 seconds).

* Can only be selected with module numbers 10 (bank 1) and 11 (bank 2) - Engine Electronics.

• Bank 1 = Cylinder bank 1, in direction of travel, right.

• Bank 2 = Cylinder bank 2, in direction of travel, left.





* Perform only with ignition switched on when engine does not start (operate starter beforehand for at least 6 seconds).