Jetta L4-2.0L (BEV) (2004)
Engine Control Module: Service and Repair
Engine Control Module (ECM), Replacing - I
Engine Control Module (ECM), Replacing
Removing
Check control module identification of the previous Engine Control Module (ECM) as follows:
-
Connect diagnostic tester
-
Switch ignition on.
-
Under address word 33, select "Diagnostic mode 9: Vehicle information".
-
Select vehicle information "Test-ID 04: Calibration Identification"
Control module identification will be displayed, e.g.:
06A906032MC4622
-
End diagnosis and switch ignition off.
-
Remove wiper arms and wind cowl.
-
Then disengage connector from control module and disconnect.
-
Press mounting bracket (arrow) toward left and pull control module out.
Installing
-
Insert new control module into mounting frame.
-
Install connector for control module and engage.
-
Check whether new control module identification matches old control module identification.
-
Generate readiness code.