I seriously don't know what to do anymore and I'm hoping someone here can give me some direction because I've been going around in circles for the past four days and I'm getting nowhere fast. I was driving home from work on Sunday evening, just cruising along like normal, when suddenly my 2013 A4 felt like it lost all its power. The gearbox wouldn't shift past third gear, the check engine light came on, and the car just felt sluggish and horrible to drive. I managed to limp it home, and when I parked and turned it off, I tried restarting it to see if the problem would clear, but nope, same thing. I did some digging online and it sounds like the car is in limp mode, which I guess is some kind of protection feature to prevent further damage to the transmission, but honestly I don't really understand how these things work. I've had the car for about four years now and it's been pretty reliable, but I know these S-tronic gearboxes have a reputation for being problematic and I'm terrified that this is going to be a massively expensive repair. I took it to a local garage yesterday and they plugged in their diagnostic tool, but they said they couldn't get a clear reading and that I should take it to someone who specializes in Audis because the codes were coming up with some weird errors that they weren't confident about interpreting. That was pretty frustrating because I wasted an entire afternoon and paid for a diagnostic that basically told me nothing. Now I'm stuck with a car that I can't really drive anywhere, and I'm trying to figure out where to go next. I need to find a shop that actually knows what they're doing with these cars because I've learned the hard way that not every mechanic understands the complexities of these German transmissions. I've been asking around and doing some research, and I've heard good things about finding a professional Audi gearbox workshop near Khalifa City that apparently deals with these exact issues all the time. I'm planning to call them tomorrow morning to see if they can take a look, but I'm honestly so anxious about what they're going to tell me. Has anyone else experienced this limp mode situation with their Audi? Was it something relatively simple like a faulty sensor or a software glitch, or did it end up being a major internal failure that required a full rebuild? I'm trying to prepare myself mentally for the worst case scenario, but I also don't want to assume the worst if it could be something much simpler and cheaper to fix. The uncertainty is honestly the worst part because I have no idea what to expect and I'm just sitting here stressing about it. I've already had to borrow my brother's car to get to work this week, and I can't keep doing that forever. If anyone has any insight into what might be causing this or what questions I should be asking when I take it in, I would be so grateful. I just need some guidance because I feel completely out of my depth here and I don't want to make a decision that I'll regret later. Thanks for reading my rant, it helps just getting it all out there.