Repair Mercedes G-Class 2003-2008 | TCU 7G Tronic VGS 722.9

The 7-speed TCU Continental 7G-tronic (also called 722.9 ) is the brains of Mercedes' automatic transmission. This Mercedes G-class TCU can also experience problems and malfunctions. Common complaints are: jerky shifting, poor shifting, automatic transmission slipping when shifting or automatic gearbox no longer shifting, various error messages that refer to the speed sensors, including: 0717 – The Signal From Component Y3/8N1 (Turbine Speed Sensor, VGS) Is Not Available , 0718 – The Component Y3/8N1 (Turbine Speed Sensor, VGS) Is Defective, 2201 – The Component Y3/8N2 (Internal Speed Sensor) Is Defective. Many of these problems can be solved by repairing the transmission module.