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2004 Cadillac CTS 3.6L
31 Posts
Discussion Starter #1
So i am almost convinced that my car needs an ecm. At this point the security system has taken over, i have no power to the car, the key is now stuck in the ignition.
Also when i had power i had a p0161 code. and it would not read the throttle body.

Now i was planning on ordering the ecm from from other forums it said i have to have the vin and exact mileage for the new ecm. i cant see what my
exact mileage is would that be a problem. Also my original engine took a dump i had the engine replaced would the vin from that engine be needed or can i use the
one from my car work.
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