Hello all... I have a 2002 Cadillac DTS with 96,000 miles... The car runs great, idles good, and hasnt given me any problems yet. I changed the oil last week and this week decided to put a custom exhaust on... I still have the catalytic converter, but I deleted the resonator and ran 3 inch pipe from the cat to a 2 1/2 inch Y-Pipe with Summit Race Mufflers... The car sounds great now. The shop who I deal with has done exhaust work on my 2009 Nissan and 1987 Caprice with no issues. When I got home, I noticed the "Service Engine Soon" light was on... I read the sticky on here and read the codes for the computer and this is what I came up with... So far, the car starts good, idles good, and drives good... These are the codes I have...
U1713- Loss of Front door module to window motor high speed comm.
U1301- Short to battery
U1000 IPC- Current
U1016 IRC- Loss of Class 2 Communication with VCM... Can also mean loss of communication with PCM
Do any of these codes have anything to do with the exhaust work I had done, or just coiencedence? Are any of these codes serious? What are some things I can try to see if they will go away? Thanks for any assistance guys.