P2636 - 2013 Chevy 3500 hd

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Carguy1 · Answer 1 · 2018-10-16T20:04:32+0000

Hi there,

This code indicates an issue with the fuel pump relay. Here is a list of possible causes for you.

P2636 CHEVROLET - Fuel Pump 'B' Low Flow/Performance

Read more: https://www.autocodes.com/p2636_chevrolet.html