Engine Control Module DTC Memory, Checking and Erasing

Engine Control Module DTC Memory, Checking and Erasing

Special tools, testers and auxiliary items required

• Vehicle diagnostic, testing, and information system (VAS 5051)

Connect Vehicle Diagnosis, Testing and Information System (VAS 5051) as follows:





- Connect diagnostic cable connector - 2 - to Data Link Connector (DLC) in driver's footwell.

- Start engine and run at idle speed.

Only if engine does not start:

- Switch on ignition.

Selecting operating mode:

- Press button on display for "Vehicle On Board Diagnostic (OBD) ".

Selecting vehicle system:

- Press button "01 - Engine electronics" on display.

The control module identification with coding - 2 - as well as Vehicle Identification Number (VIN) in center area and identification of anti-theft immobilizer appear on the display.





• A print-out is available. Press the "print" button if required.

Selecting diagnosis function:

- Press button "02 - Check DTC memory" on display.

- If no malfunction is stored in engine control module, "0 DTC(s) detected" is displayed.

- If malfunctions are stored in the engine control module, these are shown one below another on the display.

- Press <- key.

- Press button "05 - Erase DTC memory" on display.

- Press function "06 - End output".

• If DTC memory was erased, readiness code must be generated anew => Vehicle Diagnosis, Testing and Information System (VAS 5051) "Guided Functions".