Programming Central Computer Data Update

NOTE: Voltage drop

Risk of irreparable damage to control unit
Risk of damage to control unit
Fault entries in the control unit
Coding in the control unit is aborted
Malfunctions in control unit, even during programming
→ Prior to disconnecting the control unit, switch off ignition and remove ignition key.

→ Ensure that the power supply is not interrupted during programming.

→ Connect a battery charger with a current rating of at least 90 A to the vehicle battery.

Information

Different text may be displayed with higher software versions.

Insert SD card or USB stick containing the vehicle-specific software data in the PCM.
Press the CAR and MEDIA buttons on the PCM for 3 seconds.
The SWDL menu appears. Select the SWDL/Software update menu by pressing the left rotary knob.

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Selecting SWDL menu
SD1 or - if available - USB must be selected and activated.
Info: No update is possible with SD2 .

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Selecting SD1 or USB
Select Standard.

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Selecting "Standard"
Press Start update.

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Pressing "Start update"
Select Start update again in the next menu.

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Pressing "Start update"
The PCM starts again and the screen is black. The individual components and/or modules are then updated.

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Restarting
The update progress is shown as a percentage for each module.
Time required for the update: approx. 30 min.

The PCM is restarted several times during the update.

The PCM screen remains black for up to 3 minutes while restarting.

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Update progress display
If there is no MOST ring installed in the vehicle, Continue update must be selected.

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Continue update
After the update, the updated components will be marked OK. Press Continue.

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"Update status" and "Continue update" display
Select Start backup documentation.

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Start backup documentation
Connect the Tester to the vehicle and start it.
Select the vehicle type if required.
Select the PCM control unit in the overview. Press F12 to continue. The message "Create Vehicle Analysis Log (VAL) ?" appears. Press F11 to continue.
Maintenance/repairs must now be selected. Press F12 to continue.
Update confirmation must be selected. Press F8 to continue.
The backup documentation process is performed.
The system is rebooted.
After the restart, the update is finished.
Switch back to the overview.
Switch to Coding/programming and select Automatic coding. Then press F12.
Follow the instructions on the Tester.
Remove SD card or USB stick from the PCM.
Read out all fault memories and erase them if necessary.
Exit the diagnostic application. Disconnect the Tester from the vehicle.
Perform a function test on the PCM.