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SDM AirBag VIN Change

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  • GM Car Hacking Expert
  • Contributor
27 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

ignition voltage mean 12v thru switch to emulate you give on ignition with key - wake up signal. Is additional 12v to woke up module

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  • Yes, it will change the VIN.

  • sdm uses low speed can bus   with 4 cables in the small connector, you can communicte with SDM in DPS   9 0.5 RD/WH 4440 Battery Positive Voltage 15 0.35 D-GN 5060 Low Speed G

  • Selektion Automotive
    Selektion Automotive

    thnaks for the help. Will try it later.  

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  • GM Car Hacking Expert
  • Contributor
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

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

 

  • GM Car Hacking Expert
  • Contributor
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

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

 

  • GM Car Hacking Expert
  • Contributor
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

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

  • GM Car Hacking Expert
  • Contributor

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

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?

 

  • GM Car Hacking Expert
  • Contributor
10 minutes ago, Lyubomir Krastanov said:

So what cable to connect where? Help me out

  • GM Car Hacking Expert
  • Contributor

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

  • GM Car Hacking Expert
  • Contributor

@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

  • 8 months later...

HI GLOBAL B POSSIBLE VIN E PIN CHANGE

  • GM Car Hacking Expert
  • Contributor
19 hours ago, FIXCAR GABRIEL said:

HI GLOBAL B POSSIBLE VIN E PIN CHANGE

Sure

  • 3 months later...
  • GM Car Hacking Expert
  • Author
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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