Bought drove great next day had an idle issue ran codes .showed TPS. Replaced then would start run few seconds then die and indicated wrong key had towd to dealership for key program .they said pcm was bad. Bought one had it flashed put in. Now starts and stays running but gauges don't wotk and display by mirror don't work . Thinking maybe the BCM? Any ideas guys I'm about 4000 total into this now and still can't drive it . Please help