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### Forced download

The forced download is required if no communication is possible between ALADIN and the transmission controller after the function software or the dataset has not been loaded correctly. This problem can occur if a function software version or dataset version is loaded that is incompatible with the transmission controller used or if the loaded hex files are damaged. The forced download forces the transmission controller to ignore the function software already in the transmission controller and to activate the Flash Loader. The transmission controller then awaits a new download of the function software and dataset.

The forced download is available for the E300 / E300.1 / E305 / E310 controllers.
The forced download for E200 controllers is called E200 Recovery Mode. There are instructions for this under: Download

To carry out a forced download, you need a forced download connector.

| The forced download connector can be obtained under item number 150.00115710. The forced download connector has a key for setting the transmission controller to Forced Download mode as well as a red LED for the status display.

How to carry out a forced download:

1 | Turn the vehicle's ignition off. |
2 | Disconnect plugs A, B and C on the transmission controller. |
3 | Connect the forced download connector to jack B. |
4 | Press the key on the forced download connector and switch the ignition on while the key is pressed. |
5 | Release the key. The status display of the forced download connector should now flash at approx. 1 Hz (once per second). If the status display does not light or flashes very quickly, the device isnot ready to receive the download. In this case, switch off the ignition and repeat step 4. |
6 | Download the function software and dataset with ALADIN. |
7 | Switch off the ignition and reconnect plugs A, B and C to the transmission controller. You can now start up the transmission again. |

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