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Why ??
The one from your cluster tells you the trans temp
When you scroll to the display with the 3 temps
Keeping the speedo on the display and using my android head unit for all gauges. A way to have my truck the way I want it. I ride with the steering wheel low, blocks out upper third of the analog speedometer. I like having it on the center screen, and then having the trans temp or oil temp floating on my android head unit while towing.
 
I'm looking for a computation or PID to get boost error or delta between command and actual
it'd be the corrected [33] pid actual boost for the commanded boost, but I don't know which commanded boost PID is the correct one and what the formula would be to get the error.

additionally, can anyone confirm 4% is the max allowed delta and anything more is P0299?
thanks
 
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