Front A/C-Heater Control Illumination Inoperative

Tests 1 - 3:

Test 4:

SYMPTOM
FRONT A/C - HEATER CONTROL ILLUMINATION INOPERATIVE - MTC

POSSIBLE CAUSES
- Check for HVAC DTC's
- Check for BCM DTC's
- A/C - heater control module
- Panel lamps driver circuit open
- Body control module - panel lamps driver open