TSB 08-026-06 REV A addresses this issue.
Flash: Overhead Console Temperature Reading Inaccurate Or Dome Lamp Turns Off Too
This bulletin involves selectively erasing and reprogramming the Cabin Compartment
Node (CCN) with new software.
2006 (DR/DH/D1) Ram Truck
NOTE: This bulletin applies to vehicles built on or before May 30, 2006 (MDH
The vehicle operator may notice that if a vehicle door is left open for longer than 20vehicle is driven.
seconds the illuminated interior (dome) lamps will turn off.
The vehicle operator may describe that the ambient temperature first displayed in the
overhead console is not accurate (displays -40°C or -40°F), when the ignition switch is
turned to the “On” position, then slowly updates to the outside ambient temperature as the