2003 Cadillac CTS "replacing ecm" Questions

How to replace the ECM on a 2003 cadillac cts trying to replace the ecm on a 2003 cadillac cts unblot it , unplug it and replace . then take it to the dealer so they can remarry all the other modules ...

03 cts wont start after replacing ecm. I replaced the ecm with new factory part and now car wont start You need to get it program at the dealer.. It is vin program...

ECM replacement for an '05 Cadillac CTS 3.6L I find conflicting answers in my online search to the question; does a USED ECM from another vehicle but same year, make and model have to be reprogrammed?

2008 ecm p0008 The dealer replaced my ECM module with a rebuilt one and new codes are coming up. They are also stating that I need my shift linkage replaced.the car has 174,000 miles. Should I just ...

2003 CTS cadillac, 135k miles. The idle jumps from 1000 to 1500 continuosly then it climbs up the the rev limiter for 10 seconds and repeats over and over. The trans now shifts hard, the dash says ...

will a 2003 ecm work to replace in a 2004 Cadillac CTS? No... All ecm (s) are make model, year, and vin specific. They must be flashed with the correct information which includes engine, accessories ,

Sun roof not working I had the ECM module replaced by the dealer. Refurbished and part and labor was $900. Battery also recharged. The original problem was theft deterent system engaged and would not ...

How do I replace defective ECM? The Engine Control Module should just pull out and unplug. Not sure where it is located on the CTS but my caddy has it in the engine bay just behind the left headlight.

...ECM Your better off taking it to the dealer , after replacing it needs to be programmed or it will not run . Information from the old has to be up loaded to GM Tech 2 scan tool to load on new one ! ...

2003 cadillac cts after the ecm was replaced the car will not start all the time My ECM was replaced on my car. It is still in the shop and they told me the starter is going out because it ...