2007 GMC Denali no restart

[jschurman]

My 2007 GMC Denali died the other day when running idle...cranked over but would not start...towed it to my shop and they started it right up...had them change the fuel pump and drove it again for 5 hours and it died again on the road...started it a few hours later again and drove it back to the shop...they searched high and low and gave up...sent to to the dealer and same outcome...had them reflash the 4 computers and change the ignition switch and disable the remote start...starts and runs fine(110k) but am not sure it it fixed quite yet...any ideas?

 

[yates ™]

No one can pull any codes? Does it act like you shut the truck off or what symptoms are seeing when it shuts off? Does it shut off at idle or while driving?

 

[nick2440]

Possibly a wiring issue with the ignition?

 

[GM Customer Service]

jschurman,

I understand that you are seeking technical advice. As a customer service representative, I'm not able to provide much in the way of do-it-yourself information, so I'm glad to see forum members are beginning to step in with feedback. If you have any lingering concerns please contact via private message.

Jennifer T.
GM Customer Care

 

[08grey]

What Yates said. Did you take note if the codes?