How do I fix 4wd low switch circuit code p2771? I have a 2005 Chevy Tahoe z71.

Question

What parts do I need to fix it?

Answer 1

Hi there,

This code indicates an issue with the four-wheel drive low switch. Here is some info for you.

P2771 CHEVROLET - Four Wheel Drive Low Switch Circuit

Read more: https://www.autocodes.com/p2771_chevrolet.html

The code P0332 indicates an issue with the knock sensor. Here is some info for you.

P0332 CHEVROLET - Knock Sensor 2 Circuit

Read more: https://www.autocodes.com/p0332_chevrolet.html