mchan68 Posted January 23, 2014 Share Posted January 23, 2014 I just did a PCM reprogram yesterday after some work. I thought that when a PCM reprogram is done, it goes through the steps of reprogramming the TCM, GPCM and NOx modules as well. After the one I did yesterday, I couldn't even find any of those modules in the list of the reprogrammable ones. What gives? Quote Link to comment Share on other sites More sharing options...
lmorris Posted January 23, 2014 Share Posted January 23, 2014 Depends on what the calibration levels are. Last one I did was a 2011 that did all 4 modules, last 3 before that did only the PCM, they were 2013 MY. Quote Link to comment Share on other sites More sharing options...
Aaron Posted January 23, 2014 Share Posted January 23, 2014 Same as a 6.4, there's no option to reprogram the TCM only anymore. Quote Link to comment Share on other sites More sharing options...
Matt Saunoras Posted January 24, 2014 Share Posted January 24, 2014 I've noticed some 6.4s do the TCM and others don't. Same with the 6.7 and the NOx, GPCM and TCM Quote Link to comment Share on other sites More sharing options...
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