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Headlamp Control Module Scan Tool Information

WARNING: This page is about a different car, the 2013 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Headlamp Control Module Scan Tool Data Parameters

Parameter Expected Value Definition
Operating Conditions:  Ignition ON
Function Mode Inactive The scan tool displays Off, Active, Hold, Homing, Default, Powerup Pattern or Disable. This is the current state of the headlamp control module mode.
Left Motor Position Status Varies This displays Counts. This is the position state of the left headlamp motor.
Right Motor Position Status Varies This displays Counts. This is the position state of the right headlamp motor.
Headlamp Control Module Scan Tool Output Controls

Scan Tool Output Control Description
AFL Motor Control This command will learn the vehicle ride height to adjust the automatic front head lamps.