P1431 vw passat -

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Carguy1 · Answer 1 · 2018-10-11T17:15:34+0000

Hi there,

This code indicates an issue with the brake system vacuum pump. Here is some info for you.

P1431 VOLKSWAGEN - Brake System Vacuum Pump Activation Open Circuit/Short To Ground

Read more: https://www.autocodes.com/p1431_volkswagen.html