Originally Posted by jeffklitz

I have a 2005 Crossfire Coupe Limited edition. Recently all of the idiot lights came on and the odometer and the speedometer stopped working. I used a hand held code reader and got a P0600, Serial communication error code. The local Chrysler dealer says they don't have the adapters to diagnose the problem and the local Mercedes deal says they don't work on these cars. Any thought besides trial and erro replacing computer componets?