gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 4849 > < Initial Inspection and Diagnostic Overview|Page 4847
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Data

YES/NO
The displayed value refers to the dimming signal output from the BCM. This information is used by the BCM for the operation of the following features:

^

Automatic headlamp

^

Daytime running lamps (DRL) feature

Dusk is displayed whenever the park lamps are ON.

High Beam Input

Initial Inspection and Diagnostic Overview|Page 4849 > < Initial Inspection and Diagnostic Overview|Page 4847