A4(B8 Platform) Discussion - Cold Start Issue - My '09 A4 2.0T P+ with 50,400 miles is having cold start issues. When I start the car after it has sat overnight or been parked all day while I'm work, the RPM's shoot up to around 1200 rpm, which is normal. But as it sits there idling at 1200 rpm, the car shimmys
Verysimilar to the screenshot - that the problem is in communication errors. For full-fledged operation on A4 B8, a newer VCDS with normal supported UDS- protocol is needed. Try to reboot the power (remove and put the terminal on the battery) then remove all errors through the appropriate command in the gateway. ThreadStarter Join Date: Apr 2023 Posts: 7 Likes: 0 Received 0 Likes on 0 Posts Audi A4 B8 start button issues. Help everyone, New to the forum [even though