9/11/2023

CG FC200 Read GM ME7.9.9 ECU in Boot Mode

This is a Chevrolet S10 2.4 Control unit module ME7.9.9. We can read it with CG FC200 in boot mode.

CG FC200 Read GM ME7.9.9 ECU in Boot 1

CG FC200 Read GM ME7.9.9 ECU in Boot 2

In FC200 software, Quick search ECU ME7.9.9 (Bosch ME7.9.9 ST10F275)

CG FC200 Read GM ME7.9.9 ECU in Boot 3

check wiring diagram

CG FC200 Read GM ME7.9.9 ECU in Boot 4

in the boot we use two wires with a tip as if it has see normal adapter respecting things

CG FC200 Read GM ME7.9.9 ECU in Boot 5

CG FC200 Read GM ME7.9.9 ECU in Boot 6

CG FC200 Read GM ME7.9.9 ECU in Boot 7

CG FC200 Read GM ME7.9.9 ECU in Boot 8

Don’t forget to connect almost 14v power supply.

Identity
this mode has no protection, let’s start memory reading.

CG FC200 Read GM ME7.9.9 ECU in Boot 9

Read and save EEPROM

CG FC200 Read GM ME7.9.9 ECU in Boot 10

CG FC200 Read GM ME7.9.9 ECU in Boot 11

It’s already communicating, seeing the protection isn’t exist, he’s about to start reading Flash

CG FC200 Read GM ME7.9.9 ECU in Boot 13

Start reading Flash
It takes a little longer.

Then save Flash data.

CG FC200 Read GM ME7.9.9 ECU in Boot 14

CG FC200 Read GM ME7.9.9 ECU in Boot 15

CG FC200 Read GM ME7.9.9 ECU in Boot 16

It takes a while but whoever is used to reading a st10 you know how long it takes.

FC200 is much faster reading ST10 flash than other devices.
He finishes reading.

CG FC200 Read GM ME7.9.9 ECU in Boot 17