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ECM for 04 different from 03? Posted by felchi80 [Email] (#911) [Profile/Gallery] (more from felchi80) on Mon, 24 Sep 2012 14:26:08 Members do not see ads below this line. - Help Keep This Site Online - Signup |
My car is an 04'. My ECM is tuned with part number 55353231. I'm selling the car so I decided to get a spare and flash the stock bin on using my tech2.
I got one on ebay with part number 55352688 which I believe is from an 03'.
I swapped the spare one in married everything and SPS the software in according to my year and everything. I'm not 100% sure yet... but I believe the Tech2 is only choosing the latest software for 55352688 and not for 55353231. I think they could be different... I have to double check what's the software part number on my 55353231.
While the car still runs fine it seems... I got an CEL with DTC P2257... related to SAI, which is not supposed to occur because I have an '04... this is why I'm suspecting the above.
Anyone had this happen? I have seen one post on another forum who got his ECM replaced and got the same CEL code in his '04.
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