Higuys I know this issue has come up a lot, my battery died, after jumping it was in limp mode 7 mph max and Christmas tree, I replaced battery with mopar unit, same thing I proceeded to purchase obd scanner , software cables etc., from Jason at alfissimo, who is awesome BTW, great service, turnaround and feedback Ofcourse in any case of various car issues, DNA may stop working (Even after battery disconnection it is required to start a car a few times). Giulia Veloce 2018 2.0T Q4 & Giulietta Veloce 2013 1.4TB & GTV Spider 1999 3.0 12V. Former Alfas: 159 SW Elegante 2010 1.75TBi & 159 Distinctive 2005 1.9JTDm 16V. TheCCM rotors and pads on the Giulia QV can cost upwards of $15,000.00 when time to replace. I track Giulia, and since I don't have THAT kind of disposable Acommon issue on the Alfa Romeo Giulia and Stelvio in North America are corroded battery posts caused by their trans Atlantic voyage on salt water seas. Unf Thesimple fix, which doesn't cost crazy $$$$ is to change out the battery as was mentioned. The next thing you should address if the battery didn't; software updates, especially in MY17 & 18 cars. There were batches of those. IF it is a hard code, you will know it. The car will not reset itself and it will run like crap. Then off to the dealer Batteryreplacement question. So a few weeks ago I replaced the factory battery with an Interstate AGM H8. Weird symptom occurred with the horn not sounding AlfaAndy In my experience, the best way to test a battery is by using a slow (overnight) charger, a battery load tester tool, and an accurate VOM. If it doesn't come back up to 12.6v after the top charge is removed, get a new battery. Only then, can you begin to fault other devices. Theprimary purpose of programming or registering a battery is to verify that the PCM knows that a new battery has been installed. It needs to reset the vehicle’s charging characteristics, restoring the BMS system back to original state. We’re the top forum to discuss Alfa Romeo Giulia’s seductive styling, luxury and race level eDt1ooi.