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Author Topic: 17963 - Maximum charge pressure exceeded P1555 - 035-010 - Upper Limit Exceeded  (Read 926 times)
M.Mischler
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Hi

I have the problem that the fault
Code:
17963 - Maximum charge pressure exceeded P1555 - 035-010 - Upper Limit Exceeded - Sporadic
occurs in the higher gears.

I think I know what the solution of the problem is, but as a Noob I prefer to ask here in the forum to be on the safe side.

My understanding is that the error occurs because pvdkdsl_w (pressure before throttle) = 2536.13 mBar is higher than plsol (boost pressure desired) = 2210 mBar AND the pressure difference is greater than KFDLULS allows (a difference of 250 hPa is allowed at 3000 rpm and 2000 hPa absolute target boost pressure). Right so far?






In my opinion the following is the solution:
Optimize the values of KFLDIMX and KFLDRL so that the duty cycle values better match the target boost pressure. Right?
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M.Mischler
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Here is the log file.
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fknbrkn
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mk4 1.8T AUM



That's correct
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M.Mischler
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That's correct


Great, thanks for your confirmation.
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