
You can check if this is your problem by removing the grey socket in the control unit. If it is difficult to remove it, probably the connector had got melted. When you finally remove the connector you have to check wires on pin 7 (Wire grey and black) and pin 8 (Wire grey); the two smaller wires.
People left in the commentaries that they had spent up to 300€ on the garage.
You will need reparation kit 71745167. It cost me 25€. I bought it in Amazon:
If you try to solve it by yourself, let me know your experience!
If you go to the garage let me know the price of the reparation!
Thank you!
You can also check for more info:
Music: Jens East - __TrackName__ (ft. __featuring__)
www.soundcloud.com/jenseast
Licence: Creative Commons Attribution V4.0