Cadillac Repair Questions? Ask a Mechanic for Answers ASAP
My name is ***** ***** I am a professional here at Just Answer. I noticed that your question had not received a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.
Inspect for anything after market installed like a remote start or alarm system.If any of these are installed this will cause this type of fault here if wired incorrectly or if they were installed and they were removed and wires were not re attached back to factory properly.Start here first if you can and if this is all o..k. let me know so we can continue.
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I dont see one module or ecu in general that controls all of these here.These each have separate modules/ecu's.Check the fuse panel power feed cables for tight connections and for being damaged or corroded as this can cause a fault here.If these are checked and found to be o.k. let me know.