Dome Lamp Output Shorted
Tests 1 - 3:
SYMPTOM
DOME LAMP OUTPUT SHORT
WHEN MONITORED
Anytime the Body Control Module is active.
SET CONDITION
When output voltage status is LOW.
POSSIBLE CAUSES
- Panel lamps dimmer signal circuit short
- Headlamp switch MUX return circuit short to ground
- Body control module
- Courtesy lamps driver dome circuit short