So I was driving home from work yesterday, just cruising along on the highway like any normal day, when suddenly my A7 started jerking violently and the dashboard lit up like a Christmas tree with a transmission warning. The car went straight into limp mode and I could barely get it off the road, which was genuinely terrifying because I was in the middle lane and traffic was moving fast. I managed to pull over safely and after turning the car off and on again, the warning disappeared and it drove normally for the rest of the way home, but I know that's not a fix and something is clearly wrong. I've been doing some reading online to try and figure out what could be causing this, and I found a detailed Experienced Audi Transmission Repair Guide that listed a few possible culprits like mechatronic unit failure, faulty sensors, or low fluid levels. I'm absolutely dreading the potential cost because I've heard horror stories about Audi transmission repairs costing thousands, and I'm honestly not sure if my car is even worth that much anymore given its age and mileage. I'm planning to take it to a specialist this week to get a proper diagnosis, but I'm terrified of what they might find and I'm already bracing myself for a huge bill. Has anyone else experienced this sudden limp mode issue with their Audi? I'd really love to hear what the problem ended up being for you and how much it cost to fix, because I'm trying to mentally prepare myself for the worst case scenario. I'm also wondering if it's worth getting a second opinion or if I should just go straight to the dealership, because I know some independent shops might not have the right diagnostic tools for these complex systems. Any advice or shared experiences would be really helpful right now because I'm honestly losing sleep over this. Cheers.