Hi just replaced both HIDs and balasts less than 2 months ago, any ideas on what could be going on? Very frustrating that this car is perfect other than these frustrating headlights...
Why did you replace the ballasts and bulbs originally? Were they Toyota OEM or "online" sourced replacements? Brand and part numbers?
Are you doing the work yourself? Is there any moisture inside the headlight assembly? The ballast are in the bottom and any moisture kills them.