Scan Tool Functions
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
K9 Body Control Module - Data Display - Front Exterior Lighting Data
| Data Parameter | Description |
|---|---|
| Ambient Light Intensity | This data parameter will show the status of the Ambient Light Sensor as a high lx value under bright ambient light conditions and a low lx value under dark ambient light conditions. |
| Headlamp Switch Signal | This data parameter will show the status of the headlamp switch as AUTO, OFF, PARK, or ON depending on headlamp switch status. |
| Flash To Pass | This data parameter will show the status of the flash to pass switch as Active/Not Requested as the turn signal switch is moved to the flash to pass position and back. |
| Left/Right High Beam Status | This data parameter will show the status of each high beam headlamp as Active/Not Requested when the high beams are being commanded ON/OFF with the turn signal switch. |
K219 Lighting Control Module - Control Functions - Exterior Lighting
| Control Function | Description |
|---|---|
| Left Low Beam Command | This control function will control the left low beam headlamp On/Off. |
| Right Low Beam Command | This control function will control the right low beam headlamp On/Off. |
| Left High Beam | This control function will control the left high beam headlamp On/Off. |
| Right High Beam | This control function will control the right high beam headlamp On/Off. |