What’s required and what’s the procedure to program GM new system 2021-2024 all proximity key lost using Autel IM508/IM608?
Here is the clue.
Models affected:
Chevrolet – Suburban Tahoe Silverado Equinox ONIX 2021-2024
GMC – Yukon Sierra Denali 2021-2024
Cadillac -Escalade CT4 CT52021-2024
What’s required:
Autel MaxiIM IM508/IM608 device
24-digit security code from 3rd party
2 smart keys to be programmed
NOTE:
GM has banned 3rd party from accessing GM server to obtain security code. So you have to contact third party to calculate ecm and bcm rolling code.
If you cannot get the pin code, you should better use the SPS2+ J2534 device. If you can get the code, follow the procedure below to complete key programming with Autel.
You can use any device xtool, Autel, OBDSTAR, Xhorse, but before proceeding you must check you valid keys, CAN FD adapter and pin code.
Complete process Add key / All key lost
1) Connect CAN FD Adapter to the car.
2) Scan Vin number or search manually for model.
Note: In some cars, Xtool / Autopropad can calculate ecm BCM code for free. Note: for all key lost keep opening and closing driver door in every 3-4 seconds until you 12min of timer on your tool.
3) As you get ecm got send it to third party.
4) Enter the 24 digit ecm code, And send BCM code the same third party .
5) Entre 24 digit BCM code .
6) Wait for 12min cycle .
7) Put the key in Cup holder / Key slot.
8)You will see in dashboard, ready for key 1, now push the start button for second.
9) repeat step 9 for further key .
10) hold down press start button for 10-25 seconds to get out of programming mode.
Detail procedure:
Connect CAN FD adapter to car.
Scan Vin and confirm vehicle information. For example, this is a Chevrolet Suburban 2021
Go to Hot function-> All smart keys lost (guided)
Perform 7 steps to program all keys lost.
All current learned keys will be erased. This function requires at least 2 keys to be learned.
ECM security access. Send the ECM security check code to third party. Enter the 24-digit ecm code, And send BCM code the same third party . Enter 24-digit BCM code.
ECM security verification succeeded.
Wait for 12min cycle. Configuring system.
Put the key in to be learned in the cup holder and take all other keys out of the vehicle.
You will see in dashboard, ready for key 1, now push the start button for a second.
Repeat and program key 2/3
Key learning complete.
Turn off the ignition and open and close the driver door.
Ensure that all power consumers are turned off.
Configuring system. Hold down and press start button for 10-25 seconds to get out of programming mode.
Done. Test new keys.
Read also:
Program 2021-2025 GM New System Smart Key with Techline Connect SPS2?
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