How to fix error code P2440 for this car? Model:Gti; Maker:Volkswagen;

P2440 is a diagnostic trouble code (DTC) for "Secondary Air Injection System Switching Valve Stuck Open Bank 1". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.

It could be a broken hose running from the Secondary air pump down by the foglight to the valve on the side of the head. 

Part # 1K0131128D 

Part # 4 in this diagram

http://www.jimellisvwparts.com/showA...s...