When replacing the control unit, the vehicle's VIN shall be written to the new unit.
The VIN shall contain 17 characters.
The VIN may only contain capital letters and digits.
Test conditions:
Ignition on.
Engine off.
Procedure:
Start the function.
Write the vehicle's VIN, press "OK".
Example: WDB1231231K123123.
Check that the right VIN has been written to the unit.