Possible symptoms:

– Engine Light ON (or Service Engine Soon Warning Light)
– Engine stalling, high idle speed or misfiring
– Engine performance issues
– Car not starting

Difficulty: Easy

Programming: Needs to be programmed by a Volkswagen dealer.

IMG 2012 336x252 VW Volkswagen New Beetle Engine Control Computer Module ECM ECU Location Removal Replacement

Manufactured by Bosch

Part Number: 06A906018CQ / 06A 906 018 CQ

Part Location

The Engine Control Computer Module or ECM / ECU in the Volkswagen Beetle is location on the driver side of the upper dash. We recommend using an interior panel removal tool kit.


Plastic interior panels are prone to damage and cracking from age. Work slowly and always apply even pressure to plastic interior panels.

IMG 2001 336x252 VW Volkswagen New Beetle Engine Control Computer Module ECM ECU Location Removal Replacement

Start by sliding the center section on the center of the dash toward the windshield, then lift up to removed this panel.

IMG 2002 336x252 VW Volkswagen New Beetle Engine Control Computer Module ECM ECU Location Removal ReplacementIMG 2003 336x252 VW Volkswagen New Beetle Engine Control Computer Module ECM ECU Location Removal Replacement

Next you’ll want to remove the three torx T20 screws from the center of the dash that are next the windshield.These are in a tight location because of the limited space from the windshield.


Once these are removed, pry up on the upper dash panel to remove it.

IMG 2005 336x252 VW Volkswagen New Beetle Engine Control Computer Module ECM ECU Location Removal ReplacementIMG 2006 336x252 VW Volkswagen New Beetle Engine Control Computer Module ECM ECU Location Removal Replacement

Next remove the plastic cover that is located on the driver side upper dash. This panel is held in place by a sticky adhesive and 4 or 5 T20 torx screws.

IMG 2007 336x252 VW Volkswagen New Beetle Engine Control Computer Module ECM ECU Location Removal Replacement

The ECU is located on the right side, directly below the plastic panel. It is held in by a couple of plastic clips.

IMG 2008 336x252 VW Volkswagen New Beetle Engine Control Computer Module ECM ECU Location Removal Replacement

Now is a good time to change your cabin are filter that is location of the passenger side.

IMG 2010 336x252 VW Volkswagen New Beetle Engine Control Computer Module ECM ECU Location Removal Replacement

This ECU uses two electrical connectors. Check the connection and wiring of the ECU for burnt marks or corrosion due to water damage on the circuitry. Burn marks will typically be black while corrosion will be a blue or green powder. These are the most common failures but shock, excessive heat, mechanical wear or vibration are possible reasons for failure as well.

IMG 2011 336x252 VW Volkswagen New Beetle Engine Control Computer Module ECM ECU Location Removal ReplacementIMG 2016 336x252 VW Volkswagen New Beetle Engine Control Computer Module ECM ECU Location Removal Replacement