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View Full Version : Dealer did a PCM AND TCM flash on the jeep, do I need to reprogram with the p...


jorgelrod
11-02-2015, 11:24 PM
Took the Jeep for service and they put a PCM and TCM update, will I need to reprogram gears and tire size with the procal when I pick it up tomorrow?
JJK
11-03-2015, 12:23 AM
Took the Jeep for service and they put a PCM and TCM update, will I need to reprogram gears and tire size with the procal when I pick it up tomorrow?

If you've got different gears in it you will, otherwise it will go into limp mode.
jeffd
11-03-2015, 09:08 PM
Took the Jeep for service and they put a PCM and TCM update, will I need to reprogram gears and tire size with the procal when I pick it up tomorrow?

not if it was already done prior. service reflash updates should not affect your prior gear or tire size procal flash. I have had updates done and never affected my procal flashes.