Questions & Answers for: replacing ecm 2003 cadillac cts

...the battery and the car seems to be fine for a while and then it happens again. What's the problem? What is the solution ? Have 2003 CTS, same problems. I replace ECM and now car is working

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 ...

...with new one. If it not work , you need to disconnect power supply into your security system / immobilizer / anti theft. Regards, Jay Have 2003 cts, same problem. Replace ECM and car works fine

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 ...

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...

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 ...

...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 to the pcm

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 , sensor

...2003 3.2l engine the timing belt jumped time i replaced the set it back on the timing marks an it didn't start i a code po 341 so replaced the camshaft position sensor didn't start The same thing ...

...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. It is in a plastic box ...