On a p12 ecu, 2006 gmc colorado, Ive noticed that if you input anything else than 0 in the highlighted part of this table.

your in gear rpm cut off wont work anymore, and is going to be replaced by your neutral cut off value.


so lets say you are trying to get a 7000 rpm motor, if you input 0 it will limit torque starting at 6k rpm, so to get rid of this you max out the tab to 100% to have no torque limitation. your engine rpm cut off now change to the neutral one, whatever you input in ingear cut off it will now always cut out at the value in "neutral".


thats not a big thing but thats still anoying...



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