When Monitored and Set Condition:
WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
When Monitored: Continuously with the ignition on.
Set Condition: This condition occurs when the Transfer Case Control Module stops receiving a bus message for Lamp dimming for the period of 5 seconds. The lamps are illuminated to the correct intensity through Pulse Width Modulation (PWM). If this DTC sets the Lamps will illuminate at daytime brightness.