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Comments
Regards,
Sarah
GM Customer Service
All the best,
Sarah - GM Customer Service
kcram - Pickups/Wagons/Vans+Minivans Host
Carl
Thank you for taking the time to post your concerns. Dealer repairs typcially have a parts and labor warranty. I would recommend taking the vehicle back to them so they can look at the vehicle again. Please feel free to email me directly. Please include your VIN and dealer of choice. I look forward to hearing from you.
Christina
GM Customer Service
SocialMedia@GM.com
Modern kill switches may not be as easy to override, though. If it's a factory system, you may need to see the dealer about it; if it's aftermarket, check with the installer.
kcram - Pickups/Wagons/Vans+Minivans Host
So, from what I have learned so far I put the key in the ignition, turned the key to accessory, put the transmission in neutral with my foot on the brake, and released the parking brake. WaLa! Everything came on and the truck started with no problem. So I think this issue with not starting has a connection to the parking brake and being in park. Since pressing the parking brake pedal is pretty standard stuff, something else must be triggering the problem. Maybe it has a sensor on the parking brake adjustment, I am just guessing. I keep you all posted as I narrow down this annoying issue and maybe share it with the GM guys who don't have a clue.
Good luck!
Good luck!
I tried to start in neutral as well, no difference. I jiggled the ignition switch while trying to start,no difference. Wiggled the shifter while in Park, no difference.
Yesterday, when it happened. I rocked the vehicle while in park, and then it cranked right up. Same thing today. Nothing, nothing, rock vehicle against park, start. I'm hoping the PNBU switch is it.
This is a bare-bones work truck. roll-up windows, manual door locks, no security, etc.
Suggestions? Comments?
Good luck guys,
Have you had any luck in getting this addressed since your post? If we can follow up on anything with your dealership, please email us at socialmedia@gm.com with more details (including your name, summary of the situation, contact information, the last 8 digits of your VIN and mileage, and the name of your dealership).
Sarah, GM Customer Service
Sarah, GM Customer Service
Thank You,
Veronica
I haven't had this problem with my 2006 GMC 1500HD Sierra 4x4 also a 6.0, but I have had it with other vehicles. Have the catalytic converter checked out. This sounds like a typical Cat melt down and the system is clogged. When it cools it allows a little more exhaust through for a little while.
Good Luck.
If you would like for us to check into this further with your dealership, please email us at socialmedia@gm.com (include your name and contact information, a summary of the situation, the last 8 digits of your VIN and mileage, and the name of your involved dealership).
Sarah, GM Customer Service
Let us know if you wanted for us to check into this further. I understand you have already had this checked into and that currently there are no apparent difficulties with the starter, battery, and charging systems. We can be reached at socialmedia@gm.com (include your name, contact information, and the last 8 digits of your VIN with your inquiry). We would check into this further with your dealership, or at least document that you're having this concern with your Silverado.
Sarah, GM Customer Service
I worked at GM 33 years and must say I am extremely disappointed that the engineers have not come up with a solution to this problem. My wife will not go anywhere with me anymore since we got stranded 120 miles from home this summer. It seems since it is related a to all models from 1996 to 2012 in this forum, GM would have a solution by now.
I'm truly sorry that the start-up concern you had back in February on your Sierra is still ongoing and that the dealership has not been able to duplicate it. If you wanted for us to create a new Service Request to continue looking into this (unsure if you had started one with Christina and if/when it had been closed), please send us your VIN and a brief recap as we have some new agents responding to inbound emails at socialmedia@gm.com
Sarah, GM Customer Service
One thing that I don't believe I have seen mentioned on the numerous threads is that my truck ALWAYS starts cold. Which makes me believe it may be sensor that is being affected by temperature. And it does seem to happen more often with temps above 65 degrees, but is not isolated to that as it happens in sub 50 degree weather at times as well. Another thing is the security system light does not stay on as I have seen others mention. The only solution I have found outside cross jumping the solenoid is have patience....which I have little of. Sometimes wait 5 minutes and sometimes as long as 20 which makes me think it's temp related. But, here's one that seems to blow that theory. Whenever I try to start it immediately after driving it to try and replicate the problem (at a dealership for diagnostics for instance), it always starts. But, if it sits for a period of time (not enough to cool down though), it may replicate. I drove to a repair shop a few weeks ago, shut it down, and started it up about 7 - 10 times until I went in and told them I gave up trying to replicate it. As I went to leave it wouldn't start. But of course, after the tech got all the diagnostics hooked up, it was apparently long enough that it started right up for him. I may try to find out switch out the starter relay I saw mentioned in another post. I don't use the park brake, but someone mentioned that being next to it so maybe that's it. If that doesn't work I guess I'll wire up a switch direct to the solenoid this weekend and hope one of us figures this out by trial and error since it doesn't appear the GM engineers have any desire to figure it out given the many years of this phenomenon.....