Programming Data Update On Central Computer

Information 

The procedure described here must only be used if:

• There is a Technical Information  (TI) or Symptom-based repair instructions  (SY) relating to the customer complaint
• The central computer was replaced  .
• The vehicle is assigned to a campaign  that involves carrying out a corresponding software update

The programming code and the approved software part number can be found in the specified documents. Damage to the control unit cannot be ruled out if the software is used by other vehicles.

Information 

The instructions in the Tester take precedence, since the description may be different with later Tester releases.

The procedure described here has been structured in general terms. Different text or additional information may appear in the Tester  .

1. Connect the battery charger to the jump-start terminal and start it.
2. Insert USB stick containing the vehicle-specific data into the USB slot on the center console.

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   USB slot

   Information 

   The terms "Ignition on" and "Starting engine" are re-defined for fully electric vehicles (battery electric vehicles - BEV).

   Establishing operational readiness/Ignition on: 

   Prerequisites for establishing operational readiness: High-voltage battery is sufficiently charged, remove vehicle charging cable from the vehicle charge port, put driver's key in the emergency start tray.

   Establishing operational readiness automatically" Get into the vehicle and close the driver's door. The driver's key is recognized inside the vehicle. Operational readiness is established.

   Establishing operational readiness manually: Press Start/Stop switch. The driver's key is recognized inside the vehicle. Operational readiness is established.

   Establishing operational readiness/Starting engine: 

   Establish operational readiness and engage transmission range. The vehicle is now ready to drive and can be moved.

   Ending operational readiness/Switching off ignition 

   Ending operational readiness automatically: Get out of the vehicle with the driver's key and close the driver door. The driver's key is no longer detected outside the vehicle. Operational readiness ends.

   Ending operational readiness manually: Press Start/Stop switch until the instrument cluster is switched off.

   Ending driving readiness/Stopping engine 

   Vehicle is stationary: Press the P  button on the instrument cluster. The vehicle is parked.

3. Connect the Tester to the vehicle and start it. Establish operational readiness on the vehicle.
4. Place original remote control (hand-held transmitter) in emergency start tray.

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   Emergency start tray

5. Select the vehicle type if necessary.
6. Select the Central computer (PCM)  control unit in the overview  . Press F12 to continue. The message "Create Vehicle Analysis Log (VAL)?" appears. Press F11 to continue.
7. Select Maintenance/repairs  .
8. Select Install software update  . Press F12 to continue.
   1. 8.1  Read and follow the instructions and information on the Tester.
   2. 8.2  Perform update according to menu guidance.
9. If fitted: Code the amplifier.
   1. 9.1  Select Amplifier  in the overview.
   2. 9.2  Select Coding/programming  .
   3. 9.3  Select Automatic coding  . Press F12 to continue.
10. In the overview  , press F7 to switch to the Additional menu  .
11. Read out all fault memories  , work through faults that are stored if necessary and clear the fault memories.
12. Exit the diagnostic application. End operational readiness on the vehicle. Disconnect the Tester from the vehicle.