Have a engine code P2431 in a 5 cyl. 2011 Jetta

Question

It says secondary air pump, pressure valve bank one. It will erase but comes back within a day. Had other Volkswagens. Secondary air pump has been a problem.

Answer 1

Hi there, 

This code is triggered if the air pump is faulty or it could be a wiring issue. Here is some more info for you.

P2431 VOLKSWAGEN - Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance Bank 1

Read more: https://www.autocodes.com/p2431_volkswagen.html