OBDSTAR X300 pro3 key master read 2016 Cadillac ATS BCM pin code

OBDSTAR key master green (named as X300 Pro3 Orange supplied on the authorized website) is the best 2016 Cadillac ATS BCM pin code reader by OBDII without dismantling the dashboard.


Car model & year:

2016 Cadillac ATS BCM

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OBDSTAR Device to use

OBDSTAR key master Green (named as X300 Pro3 supplied on the authorized website)

X300 Pro3 orange

X300 DP

You can use any one of the above mentioned.


User Guide:

Turn on OBDSTAR key master, go to option “Vehicles”.

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Select “GM”.

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Select “GM V31.02”.

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Loading… Initializing… Authorizing…

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Select “Read Security code”.

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Select “By OBDII”

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Select “By BCM system”

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Select “Auto”

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Choose “Read password”

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Logging…Reading password

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Password is read out: 4907

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Next is to show how to manually read the GM pin code.  

Press the red “Enter” button and the screen displays “Read password”, then the “Esc” button.

Press the up/down button to select “Manual”, then the “Enter” button.

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Key master screen display “BCM type: Continental 70F3558 +95320 (25320).”

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Select ” Continental 70F3558 +95320 (25320)”, then press the “Enter” button.

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Read password.

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Reading password successfully, it is 4907.




obdstar key master green  (X300 Pro3 orange) is really nice to read GM Cadillac ATS BCM pin code automatically and manually. I love it and highly recommend it.

If you ask me where I bought the tool, I’d advise this site


It’s no more than 700USD and update is perfect online.