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Discussion Starter #1
i have problem with BCM for spark 2017
i take one used and try to program it but cant be programmed even by online through MDI device
always give me this message
(security code input incorrect)

is there any solution for that??
 

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I think you have to update the VIN to match your car first.

Each module in the car has the car's VIN programmed into it. If the modules find the VINs don't match, they assume a stolen part has been used and refuse to work.
 

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Discussion Starter #3
I think you have to update the VIN to match your car first.

Each module in the car has the car's VIN programmed into it. If the modules find the VINs don't match, they assume a stolen part has been used and refuse to work.
i already read the dump from eeprom 24c32 and write the VIN
radio was unlocked but still the key cant be programmed
problem with the security code not match
 

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It's possible the VIN you burned isn't quite right. I seem to remember there was a minor quirk to it - like the first letter/digit was left off.
 

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Discussion Starter #6
It's possible the VIN you burned isn't quite right. I seem to remember there was a minor quirk to it - like the first letter/digit was left off.
thanks soo much for your advice
the car i have with BCM damage and no data can help for programming used one
soo i did those steps it my help any one search about this problem
1- i read ECM data by bitbox programmer to get the security code
2- i open data and get security code from ECM data
3- i change VIN and security code on eeprom(42c32) data located on BCM
4- program new 2 keys
5- learn BCM with ECM with immobilizer using online GM software
6- start car

that is only way to use with used BCM
 

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Discussion Starter #7
that is youtube link i did in Arabic language but it help to find the place of security code and VIN

 
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