So after a lot of investigation I've learn't some good facts about the gearbox and mechatronics unit. P173C - 000 - Implausible Signal - MIL ON Just want to share some information i found as trolling the web gave very little information on this subject.ĠAM 7 speed mechatronics failed on a Skoda Roomster (this box is obviously the same for multiple cars VW, AUDI, SEAT and SKODA, the original fault was to do with the hydraulics inside the unit, this was easily repaired by ECU Testing in the UK for a good price so when refitting the unit we had a fault come up.Ġ05948 - Position Sensor 3 for Gear Selector
