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: Limp mode 3 times while stock 10-ton 02-13-2005, 07:35 PM The truck is 03 reg cag 4wd with 40k, no power devices ever, only a Nictane and 285's. This has happened three time in the last week under 1/2 to 3/4 throttle upshifts. The thing that puzzles me is that after it resets I can take off and floor it through all gears without missing a beat. Any ideas would be appreciated. Thanks, Brian GMC-2002-Dmax 02-13-2005, 09:18 PM When did you last change the fuel filter ???? Mackin 02-13-2005, 09:25 PM The truck is 03 reg cag 4wd with 40k, no power devices ever, only a Nictane and 285's. This has happened three time in the last week under 1/2 to 3/4 throttle upshifts. The thing that puzzles me is that after it resets I can take off and floor it through all gears without missing a beat. Any ideas would be appreciated. Thanks, Brian Have you thrown a service engine soon code,if so what are they? 10-ton 02-13-2005, 09:43 PM 749 Cat prefilter and OEM changed 5K ago. The only code pulled was PO700. Thanks for the input., Brian Mackin 02-13-2005, 09:47 PM 749 Cat prefilter and OEM changed 5K ago. The only code pulled was PO700. Thanks for the input., Brian Can you get the TCM scanned? A ECM P0700 says there are codes stored in the TCM. 10-ton 02-13-2005, 10:01 PM Sorry, Should have in replied in more detail. This is what I got from the dealer,PO700 Transmission Control Module Request MIL Illumination. Thanks, Brian dmaxalliTech 02-14-2005, 12:32 AM Need to get your dealer to learn how to pull TCM codes for us......LOL Need that to go further Brian 10-ton 02-14-2005, 05:56 PM I'll call my dealer in the morning to ask them about pulling the codes. If they sound too confused I'll probably just try to find another dealer. Hopefully I'll have some more info tomarrow. Thanks to all that replied, Brian 10-ton 02-23-2005, 05:46 PM Took truck to dealer and was diagnosed with a p0732 and p0843. Leaning toward replacing the valve body. | ||