2004 Cadillac CTS Q&A

2004 Cadillac CTS Question: we have norstar.my check engine light stays on

our check engine light stays on. the diagnostic shows transmition trouble. no one can find problem. car runs fine for over a year. had sensor replaced still stays on. now we can not get our PA vehicle inspection sticker. what can the problem be? -
Answer 1
With out knowing the fault code there is no way I can help you. Please send the information for the fault code that is turning the check engine light on on your 2004 Cadillac CTS. -