2000CL713 Posted November 13, 2017 Share Posted November 13, 2017 i bought a used ECM 12MS517BM to have a 460xt file loaded on it to install into my 2000 CL713 E7-427, the ECM that came out of my truck was a 12MS514M. once i stalled the BM ecm with 460xt file on it the truck started and ran fine. all gauges working (full gauge package). truck runs and drives without a problem. but as soon as i started it i got a 2-2 and 2-7 code pop up. didnt have any codes with the original 4M ecm. 2-2 is boost air pressure sensor 2-7 is engine oil temp sensor not sure why those came on. my engine oil temp gauge is reading. so no problems there. not sure what the boost air pressure sensor is tho are sure if my truck has these sensors or what is deff since the BM is a newer computer i was told. so can they be shut off without it effecting anything? Quote Link to comment Share on other sites More sharing options...
Dirtymilkman Posted November 13, 2017 Share Posted November 13, 2017 Your trucks factory computer doesn't read boost or oil temp. It only has senders for the gauges. Quote Link to comment Share on other sites More sharing options...
2000CL713 Posted November 13, 2017 Author Share Posted November 13, 2017 (edited) Yea. Looks like those need to be turn those off. Edited November 13, 2017 by 2000CL713 Quote Link to comment Share on other sites More sharing options...
Mack Technician Posted November 13, 2017 Share Posted November 13, 2017 How is the overall performance? Comparatively, 427 vs 460XT? Quote Link to comment Share on other sites More sharing options...
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