Body
generic / SAE
B0490
Display Backlight Circuit
The infotainment or instrument cluster module has detected a fault in the display backlight circuit. The display may stay dark or be unreadable in low light.
SystemBody
Typegeneric / SAE
GroupB0
Range / number4 / 90
Possible causes
- Backlight LEDs or inverter failed high
- Display module internal fault medium
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 150–1200 €
- Estimated time: 0.5–3 h
- Component: display module
- Component: backlight circuit
Sources
References
sae:J2012