Vehicle function compatibilities
This section lists all the functions compatible with this vehicle for the installation illustrated in this guide.
Note: The telematics features listed below (with an asterisk) ONLY apply when using SmartStart.
Arm Factory Security
Disarm Factory Security
Door Lock Control
Door Unlock
Control of aftermarket alarm with OEM remote
Fuel level/EV battery level
Key2GO
* Odometer
Immobilizer Bypass-Data No Key Req'd
3x LOCK START (Start control using OEM Remote)
OEM Remote Start Activation using XL-202 or RF kit
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403.GM10 4.27 2021 GMC Sierra 1500
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RAP Shut Down (Retained ACC Power)
Remote Start Ready
Remote Start Takeover
SmartStart
Tach / RPM Output
Entry Monitoring ALL Door Pins
Entry Monitoring Hood Pin
Brake Status (foot brake)
E-Brake Status
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