VW ECU Up for sale is a Working, in excellent condition VW Volkswagen Golf Cabriolet Jetta Digifant 1 Engine computer ECU. VW part number 037 906 023 A .

Removed from 1991 Cabriolet.

This ECU may fit some Cal emission 91-93 Golf, Jetta & Passat models. As always your best bet is to match the part numbers with the one on your original ECU. These are located in the cowl (under the plastic piece the wipers sprout out of). This unit offers a 30 day functionality warranty.

A faulty ECU is one of the most common no start or random stalling problems with these cars. These can also cause issues with erroneous check engine lights, idle control problems as well as emission control & cold or hot start problems. If your car does not have these issues but you intend to keep it a while, I recommend our customers keep an extra ECU in the trunk. These units now have to be special ordered from most dealers new for big $$ (often times over $1000!), and you can never find one when you need one. Even now finding a good one second hand is getting to be quite difficult as these cars get older.