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View Full Version : Feb 2002 ALLISON / NEED ODLO and idle up?



mbrown2844
June 13th, 2013, 08:27 AM
I recently flashed my TCM with an newer O.S and Calibration. I have a Feb 02' truck and just put my fleece tap-shifter on today. I re-flashed my O.S to 15172881, Cal to 15172884. I looked for and found the newer info here, seems to work fine. It's a few pages further on. Look for posting from GMC-2002-Dmax