Code result
B0490
Display Backlight Circuit
Moderate severity
What it means
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.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Backlight LEDs or inverter failed
highOne of the most commonly reported causes for this code — check this first.
Display module internal fault
mediumA plausible cause — test and verify before replacing parts.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose B0490 freeNo credit card required