Originally Posted by M_I_K_E
Phew, drove the car a few yards and the malfunction went away. I initially just checked the two front connections and disconnected the negative terminal of the battery temporarily and left the car in the garage for a few hours. I then decided to check the rear connections. Drove out of the garage and passed the driveway, only then the malfunction went away. The front right connection was very slightly loose and didn't notice this in the beginning until I compared all four. For future reference to those who comes across the same problem: Drive the car after disconnecting and reconnecting the EDC connectors.
You save yourself a trip to the dealers!