Ballast Control Unit
● W003T22171 xenon light ballast is responsible for controlling
DLS, D8S or D6S HID headlight bulbs.
If your lights are blinking, shutting down without any reason or
not turning on at all, it means that headlamp ballast has failed
It is a direct replacement to mitsubishi electric brand part.
The most common vw volkswagen warning messages
● Check left dipped / main headlight beams!
● Check right dipped / main headlight beams!
The most common Porsche warning messages
● Check front left dipped headlight
● Check front right dipped headlight
VAG part numbers:
Mitsubishi Electric part number:
● Audi A1 S1 2011, 2012, 2013, 2014, 2014
● VW Touareg SUV 2015 - 2016 (without adaptive headlight function)
2.0 TSI Petrol
2.0 TDI CR DPF BiTDI diesel
3.0 TDI CR BlueMotion SCR DPF V6
● VW Caddy 2K 2C MK4 IV 2015, 2016, 2017, 2018 2019 2020
● VW Beetle MK2 5C 2011, 2012, 2013, 2014, 2015, 2016, 2017
Please Note: This list is not full, it may fit other car models as well, for complete list , visit our website.