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peko
27th April, 2012, 12:13 PM
hi friends

today wanted to tuned this ecu edc16CP
i open it connect bdm, so in this ecu you must open twice face

after open it, i connect ecu on car and car don't start, i check with DAS, i have DTC " short ground fuel pressure M41"

so anybody know which composant broke ?

thank you

ecutuners
27th April, 2012, 01:02 PM
Hi you probably damaged ecu board when opening the ecu to much flex of the pcb kills it

peko
27th April, 2012, 01:26 PM
i think also, but how check ?
i see diagram from dtc ( M41 open circuit ) so is pin 94 & 47 plug H1
i test this pin plug to ecu seem ok but after ....

ecutuners
27th April, 2012, 11:19 PM
you could test the signals with an oscilloscope or try another ecu and copy over the eeprom.

vanya86
19th May, 2012, 07:59 PM
Check IC Bosch 30554, he is controling that sensor, probably coper wire broken somewhere.

resolder that part of ECU

giovani
8th November, 2012, 03:15 PM
hi.

I have a ecu bmw x5, believe the ic with this problem,

IC Bosch 30554.
what's your function?