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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 29502
Experience:  GM Grand Master Technician 2007. 14 years experience.
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2009 suburban...intermittent electrical shutdown...all

Customer Question

2009 suburban...intermittent electrical shutdown...all gauges/lights/door locks...everything flickers and vehicle stalls.... sometimes restarts after a while.... never know when to expect this... afraid to drive it now... wondering what the cure might be??? thanks...
Submitted: 1 year ago.
Category: Chevy
Expert:  GM Tech (Cam) replied 1 year ago.

Hi there, I am Cam. There are a couple things this could be.

First there is a known issue with the network on the vehicle, wire chaffing. You will find a very detailed bulletin in the document attached.
https://dl.dropboxusercontent.com/u/22552935/network%20bulletin.pdf
Also common is a loose battery cable connection into the mega fuse in the block behind the battery on the firewall. I would take a moment and remove those, check and clean them and see if that makes a change to your issue.