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GM Vehicle Modules Documentation

SDM AirBag VIN Change

Changing the VIN in GM SMD AirBag modules is vital when recycling a used module. You can achieve this by using this DPS file.

These files only works with GM Global-A vehicles.

 

 

GM Global-A 2 byte seed file 

 

 

GM Global-A 5 byte seed file 



Troy

By Troy

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Arbe_gtc Rookie

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GM Car Hacking Expert

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24 minutes ago, Selektion Automotive said:

@Arbe_gtc 2 questions..

 

Can you show how you made the connections in Red and Blue circles?
 

"17 0.35 PK 1139 Ignition 1 Voltage"

When you say this connection is it a normal 12v connection?  

Imagem WhatsApp 2023-09-23 às 22.27.14.jpg

blue circle cables unconnected

 

Red, positive and negative.

 

12 volts. nothing special

Selektion Automotive Rising Star

+Selektion Automotive

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So basically it's a homemade breakout cable?

 

2 hours ago, Arbe_gtc said:

blue circle cables unconnected

 

Red, positive and negative.

 

12 volts. nothing special

 

Arbe_gtc Rookie

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11 hours ago, Selektion Automotive said:

So basically it's a homemade breakout cable?

 

 

yes, you go o the scrapyard, cut the wires in the SDM module, and use in home.
I think the small connector is the same in ALL GM SDM units, the big connector changes.

I have a Insignia A and Astra K SDM and the small connector, matches. the big connector is different.

 

The OBD port its from Astra H

 

image.png.1229d4b4205a7276802d33c33ab6035a.png

Selektion Automotive Rising Star

+Selektion Automotive

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2 hours ago, Arbe_gtc said:

yes, you go o the scrapyard, cut the wires in the SDM module, and use in home.
I think the small connector is the same in ALL GM SDM units, the big connector changes.

I have a Insignia A and Astra K SDM and the small connector, matches. the big connector is different.

 

The OBD port its from Astra H

 

image.png.1229d4b4205a7276802d33c33ab6035a.png

i've got 2 Chevrolet Cruze...one runing (the one with the error) and a salvage one. I will get take the connector of that car and do it like you did. 

 

Thanks

 

Lyubomir Krastanov Rookie

+Lyubomir Krastanov

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GM Car Hacking Expert

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5 hours ago, Arbe_gtc said:

yes, you go o the scrapyard, cut the wires in the SDM module, and use in home.
I think the small connector is the same in ALL GM SDM units, the big connector changes.

I have a Insignia A and Astra K SDM and the small connector, matches. the big connector is different.

 

The OBD port its from Astra H

 

image.png.1229d4b4205a7276802d33c33ab6035a.png

Soon full bench setup

A318660B-5336-49B9-9DA9-FAC9DA0BB597.jpeg

IMG_5271.jpeg

Selektion Automotive Rising Star

+Selektion Automotive

+Purchaser

After trying every solution i came to the conclusion that this SDM is dead.

 

DPS directly says there's no subnet found.

image.png.a546c1198538669d25eee4f34c3fbb8e.png

Lyubomir Krastanov Rookie

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GM Car Hacking Expert

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did you wire white/blue cable to serial data communications?by my diagramsSDM require HI can plus serial data enable wire.

Selektion Automotive Rising Star

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3 minutes ago, Lyubomir Krastanov said:

did you wire white/blue cable to serial data communications?by my diagramsSDM require HI can plus serial data enable wire.

 

@Lyubomir Krastanov What diagram? Can you post?

 

Lyubomir Krastanov Rookie

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Selektion Automotive Rising Star

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10 minutes ago, Lyubomir Krastanov said:

So what cable to connect where? Help me out

Lyubomir Krastanov Rookie

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@vladimius u have to get wake up device, like bcm.

Lyubomir Krastanov Rookie

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@Selektion Automotivesee attached pdf diagrams, in instance to woke up module and allow to communicate you need to sent signal to it. Other way will see module in gds/dps, but will not allow you programming. Not yet tested on SDM as waiting to get one in my hands, but ECM not allow programming until signal been sent to it.

 

Communication Enable (1 of 2).pdf Communication Enable (2 of 2).pdf

FIXCAR GABRIEL Rising Star

+FIXCAR GABRIEL

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HI GLOBAL B POSSIBLE VIN E PIN CHANGE

Lyubomir Krastanov Rookie

+Lyubomir Krastanov

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GM Car Hacking Expert

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19 hours ago, FIXCAR GABRIEL said:

HI GLOBAL B POSSIBLE VIN E PIN CHANGE

Sure

Edson Rodio Rising Star

Edson Rodio

Member

Hello, does this file work to exchange vin sdm brazil version with can fd communication? which interface to use?

Troy Grand Master

Troy

Administrator

GM Car Hacking Expert

20 minutes ago, Edson Rodio said:

Hello, does this file work to exchange vin sdm brazil version with can fd communication? which interface to use?

 

No, it works for GM Global-A only.

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