Anti-Theft Immobilizer Control Module, Replacing

Anti-theft Immobilizer Control Module, Replacing

Replacement of instrument cluster with integrated immobilizer control module functions requires replacement unit to be adapted to the vehicle's Engine Control Module (ECM). The following OBD program steps initiate this procedure:

Special tools, testers and auxiliary items needed







- VAS 5051 Vehicle Diagnostic Testing and Information System
- Adapter cable VAS 5051/1 or VAS 5051/3

VAS 5051, connecting
- Switch off all electrical consumers.
- Engage parking brake.
- Automatic transmission: Selector lever in "N" or "P" position.
- Manual transmission: Selector lever in "Neutral"position.







- With ignition switched off, connect VAS 5051 with adapter cable to Data Link Connector (DLC) located under the instrument panel, left.
- Switch on ignition
- Select mode "Guided Fault Finding"
- Enter appropriate model, equipment and model year information and press ">" to confirm.

After all Control Modules have been registered and DTC memories checked,
- Select "Go to"
- Select "Function/Component Selection"
- Select "Body (Repair Group 01; 27; 50 to 97"
- Select "Electrical System (Repair Group 27; 90 to 97)
- Select "01-Systems capable of self-diagnosis"
- Select "Anti-theft immobilizer" where indicated
- Select "Functions"
- Select "Adapt instrument cluster to Engine Control Module (ECM).
- Forward with ">" button
- Follow/perform selected OBD program steps as prompted by tester.