Initial Inspection and Diagnostic Overview

Engine Control Module (ECM) J623

After installing a new or used engine control module (ECM), the ECM must always be adapted.

Engine Control Module (ECM) J623
- Connect Vehicle Diagnosis, Testing and Information System VAS 5051A.
- In Vehicle Diagnostic, Testing and Information System VAS 5051A, select operating mode "Guided Fault Finding".
- Using the "Go To" button, select "Functions/Component selection" and the following menu options in sequence:
- Body
- Electrical Equipment
- 01 - On Board Diagnostic (OBD) capable systems
- Immobilizer with download
- Functions
- Engine Control Module (ECM), replacing