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

The 7-speed automatic transmission (722.9) fitted to the Mercedes S-class model years 2003–2008 is prone to internal component failure. The following common error codes may be present when communicating with the vehicle with the diagnostic scan tool: 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, P0705 – Transmission Range Sensor Circuit Malfunction, 2768 – Component Y3/8n2 (Internal speed sensor (VGS)) is defective. Many of these problems can be solved by repairing the transmission module.