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watersampler 06-25-2007, 03:54 PM iwas running my prediator on 100 hp and check engine light came on. i done checked the codes the came up i done tried clearing them with the prediator still on then i done undone the battery 2 time still on then i put it back to factory still on so i put it to 65 hp and still on how to i clear the codes and the get the check engine light off i am about to trade it in this week. Unit453 06-25-2007, 04:06 PM What codes were they? watersampler 06-25-2007, 04:10 PM the main 1 is po700 then i look at another page n the prediator and i have 24 of them all the rest start po 112 181 182 234 299 403 404 405 406 506 507 671 672 673 674 675 676 677 678 1404 1637 2066 2067 2068 2636 and ndo99 Unit453 06-25-2007, 04:12 PM Holy crap man.... Which ones did you not clear or can you not clear some? watersampler 06-25-2007, 04:18 PM all of them i dont know what else to do i took the prediator where it said clear all dtc and light stays on Unit453 06-25-2007, 04:22 PM You may have tranny codes that the predator will not read... watersampler 06-25-2007, 04:27 PM how can i clear them ???? hardcoremxer7 06-25-2007, 06:09 PM how can i clear them ???? find someone with a tech 2, or an advanced OBDII code reader that can pull TCM codes. I know the Snap-on can do it, that is what I have. Where are you located? TxChristopher 06-25-2007, 06:57 PM Sounds like he lost transmission communication? TCM wiring or dead TCM? watersampler 06-25-2007, 07:08 PM i just put it back to stock and went down the road to go to auto zone to see what they say. after driving down the road the light went off so i went back home i will see what it will do hope fully it will stay off till at least wednesday because i will trade it n on a new gmc dually | ||