GM ECM

Tom Sharpe twsharpe at mtco.com
Mon Mar 1 04:34:23 GMT 1999


I have a late model GM "hardened" ECU labled serv. no 16211539 BWJX. It
uses two 80 pin connecors. Intenally it has two boards /assemblies
hooked together with a 25 wire ribbon connector. They are labeled
16197037 and 16197044. It has 5 major chips, all smt.
Board 1
1.  33 pins X 4 sides G88E, YQQQJ9707N about 15/16" square
2.  17 pins x 4 sides A552fk43, 96768, DELCO 466 about 15/16" square
3.  44 pin dip Intel Flash AB28F200BC,E 5021AC, U60502J5D
Board 2
two 3/4" square 13 pins x 4 sides
1. E28B, LQQVJ9608F
2. SYMBIOS LOGIC 728, 195053, 609-0390949, FP00113, 9642R

ONE 8 PIN REMOVEABLE DEVICE WITH a square chip with 4 pins each side
that is about 5/64" square.... looks like the piece from "Terminator".

Can anyone dump or program the flash???

What kind of processor is it??? (It's not a M-HC11)

Help.

Tom S





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