Chevrolet GM multec 3

by **Osval1977** » Mon Jun 03, 2013 10:38 am

Hello my friends and mate i have a question , were is allowed the immovilizer in this ecu is posible what it is in the 256kbyte redible for flasher or is in another memmory?
:( thankyou advance and sorry for my bad inglish

by **Yoshimura** » Mon Jun 03, 2013 10:59 am

What is the color of the plugs?

BR

by **Osval1977** » Tue Jun 04, 2013 8:29 am

the plugs have color black and are marqued how K and M,, it have on the side of uC 3 chips and 1 is an 25lc256 if a saw good. grey and blue are the wires connectors and i did compare the readed data with the fgtech2 with another ecu and the data waht they have is ecuals about flash data reades ,,,, abaut the 25lc256 do not have any data in the programs to decode the immo in noone ther dumps for this memmory . it is somethig waht call to my attemption. thankyou advance may mate

by **Yoshimura** » Wed Jun 05, 2013 1:52 pm

HI

The eeprom should be 27c256? If it is, read the dump and post it. I will help you :)

BR

by **Osval1977** » Wed Jun 05, 2013 7:22 pm

ok read it and upload the dump thankyou in advance

by **Osval1977** » Fri Jun 07, 2013 5:07 am

hello my mate here upload the files the memmory is an 25lc256 spi eeprom an has bin is sig. be code with the chasis number and so upload the standard bin the wish was readed with fgtech2 chine 5.0

by **Yoshimura** » Fri Jun 07, 2013 8:32 am

Hi

It wont work with this dump from the eeprom. Read MCU 68HC11F1 and post the dump. Only that way I can help you :)

BR

p.s. With the flasher you cannot read the Motorola. Better find external programmer - UPA, Omega, etc..

by **Osval1977** » Sat Jun 08, 2013 9:33 am

the truth I'm not very familiar with this MCU 68HC11F1 but it seems that other mcu outside since it has tin solders balls "balling" me out of the doubt that is the mcu have a list of mascksets for this mcu since I noticed with the mcu exe and I not figure the mask