In this article, we’ll show you how to calculate GM Security Verification Code by Autel IM508/IM608.
Vehicle coverage
| Cadillac CT5 2020-2021 | Smart Key |
| Cadillac CT4 2020-2021 | Smart Key |
| GMC Yukon 2021 | Smart Key |
| GMC Sierra 2021 | Smart Key |
| Cadillac Escalade 2021 | Smart Key |
| Chevrolet Tahoe 2021 | Smart Key |
| Chevrolet Silverado 2021 | Smart Key |
| Chevrolet Suburban 2021 | Smart Key |
| GMC Denali 2021 | Smart Key |
| Buick Envision 2020- | Smart Key /New type only |
| Chevrolet Corvette 2021 | Smart Key /New type only |
| Buick Envision 2021 | Smart Key |
Version Requirement
GM IMMO program higher than v3.61
Procedure
1. Select the vehicle type…>>Keyless system(CANFD) >>add key/all key lost
2. Ensure the VCI connected to the CANFD adapter & press the start/stop button once
3. Send the ECM application code and VIN to Autel or a third party to get ECM security verification code
4. Enter the ECM security verification code which gets from Autel or a third party. Press ok.
5. Send the BCM application code and VIN to Autelor a third party to get obtain BCM security verification code.
6. Enter the BCM security verification code which gets from Autel or a third party. Press ok.
7. Finally close the drive door & press ok. It will configuring system & process add key/all key lost.
Autel Tech (Wechat):
Done! That’s the process of GM Security Verification Code Calculation.
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