Owners of 2017-2018 Alfa Romeo Giulia Quadrifoglio vehicles equipped with a 2.9L V6 twin turbo engine and built on or before May 10, 2018, may experience a MIL on. DTC P0700 (transmission control system) may be stored in the ECM/PCM. The fix involves reprogramming the TCM with the latest software.
After reprogramming the TCM using wiTECH, clear all DTCs that may have been set. Using wiTECH, select “MISC functions,” then select “Gearbox Replacement,” then select “Reset Adaptive Values,” then “Continue.”
Verify the TCM is programmed with the latest software.