Xhorse Multi Prog Clone GM Delco E37 ECM on Bench

We are going to clone a computer from a Chevrolet Express 4.3 engine V6. This is an ACDelco E37 ECM. We are going to do it with Xhorse multi prog on the platform (bench mode) without opening the computer.

Xhorse Multi Prog Clone GM E37 ECM 1

Select GM E37->Chevrolet->Express 1500, we see the ID, the type of unit that is a Chevrolet Express 1500.

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Check wiring diagram in multiprog.

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We going to place the PINs we have two red ones that are 12V of power supply, we have CAN H and CAN L and GND.

It is very simple to make this connection.

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Read EXT eeprom
Read eeprom data successfully in 2min 24s.

Save eeprom data.

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Read EXT flash.

Save flash data.

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Connect donor ECM with xhorse multi-prog follow the same wiring diagram.

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Backup donor ECM eeprom and flash.
Then write original eeprom to donor ECM.

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Write original flash data to donor ECM.
Verify checksum.
Checksum calculation successful.

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Write flash takes longer, 9min 14s.

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Clone E37 ECM successfully.

Install donor ECM to vehicle.

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Car starts fine. It works perfectly.

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