GMC

GMC Sierra 1500 2020-21

Compatibility Info

ADAS PackageDriver Alert Package II
FingerprintCHEVROLET_SILVERADO
Harnessgm

Longitudinal reports

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User Video

General Information

openpilot upgrades your GMC Sierra 1500 with automated lane centering above 6 mph, and adaptive cruise control.

Important Notes

  • openpilot Longitudinal Control (Alpha) is available behind a toggle; the toggle is only available in non-release branches such as `devel` or `nightly-dev`.

Capabilities

Min Steering Speed6 mph
Min Enable Speedany speed
Longitudinal Controlopenpilot available
Auto ResumeNo
Steering Torquefull

Suggested Parts

Technical Parameters

Tire Configuration:

Stiffness Factor~1.00
Front Stiffness~283,231
Rear Stiffness~447,730

Vehicle Control:

Actuator Delay~0.10s
Limit Timer~0.40s
Control Typetorque

Speed Parameters:

Stopping Speed~0.25 m/s
Starting Speed~0.25 m/s
Stop Accel~-2.00 m/s²

System Configuration

Network Settings:

Network LocationfwdCamera
Bus Lookup
pt: gm_global_a_powertrain_generated
radar: gm_global_a_object
chassis: gm_global_a_chassis

Feature Flags:

Experimental LongitudinalEnabled
BSM EnabledNo
PCM CruiseNo

Quick Navigation

Compatibility Info
Capabilities
Vehicle Metrics
Technical Parameters
System Configuration

Vehicle Metrics

Curb Weight5,401 lbs
Wheelbase~3.75 m
Steer Ratio~16.30
Center to Front Ratio~0.50
Max Lateral Accel~1.90 m/s²
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