2006 VW PASSAT B6 1.9 TDI ENGINE CONTROL ECU PART NUMBERS   03G 906 021 LR   0 281 013 260 CHECK IT AND MATCH THE FULL PART NUMBER B4 YOU BUY IT IN WORKING ORDER ECU ONLY b4 you buy this item make sure the part number is same as your old item This ECU will need to be reset unlocked and coded to your vehicle by a qualified auto electrician using correct software and equipment