Engine Control Module (ECM), Replacing

Engine Control Module (ECM), Replacing

Work procedure
Check control module identification of the previous Engine Control Module (ECM) as follows:
- Connect diagnostic tester. Diagnostic Tester, Connecting
- 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.:
06A906032NA 4983

- End diagnosis and switch ignition off.
- Remove inner plenum chamber cover.







- Carefully press back mounting bracket (arrow).
- Disengage connector from control module and then disconnect it.
- Pull control module out of mounting frame.

Installing
Installation is in reverse of removal. Note the following:
- Check whether new control module identification matches old control module identification.
- Generate readiness code. Monitors, Trips, Drive Cycles and Readiness Codes