Control module for Diesel-Direct Fuel Injection System, replacing

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Work procedure

Check control module identification of the previous control module for Diesel-Direct fuel injection system as follows:

Connect diagnostic tester. Refer to Diagnostic tester, connecting .
Switch ignition on.
Under address word 33, select "Diagnostic mode 9: vehicle information".
Select the vehicle information "Test-ID 04: Calibration Identification".

Control module identification will be indicated, e.g.:

3B0907551CG 0001

End diagnosis and switch ignition off.
Remove wiper arms and wind cowl.
Disengage connector from control module and then remove the connector.

Fig 1: Control Module Mounting Bracket

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Press mounting bracket (arrow) toward left and pull control module out.
Insert the new control module into the mounting frame.
Install connector from control module and engage.
Check whether new control module identification matches old control module identification.

Generate readiness code.