Last post on Nov 19, 2013 at 12:41 PM
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Chevrolet Tahoe, Electrical, SUV
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#336 of 456 Re:2008 Chevy Tahoe [flatahoe]
Aug 10, 2012 (7:19 am)
I had the same thing happen to me on a used 2009 Tahoe I bought with 52K miles on it. At first I thought it was a random fluke, but then it progressively worsened/became more frequent. I took it in to a Chevrolet Dealer and here's what they did:
-Replaced 175watt megafuse on the firewall behind the battery.
-Replaced Positive and Negative Battery Cables.
-Replaced Alternator Cable and Starter Cable.
-Cleared any/all codes and reset computers.
Apparently there is a Technical Service Bulletin on the issue, and it's basically caused by corrosion (microscopic) on the screws holding that fuse onto the firewall, causing electrical resistance in the main power cables. I don't live near the coast, this truck has been in arid Texas for it's entire life, to me this says metal composition was shoddy to begin with for two screws, which cost me $800 to ultimately repair due to a mistake GM made.
$800 and a week later and I haven't had the same problem again. This frustrates me so much, because I too was stranded on random roads and highways, often hundreds of miles from home, while I tried to figure out what was going on. Once it was on a rural two lane road with no street lights, keep in mind the tahoe is black, and I had to stop on the road (nowhere to pull off) and turn it off to try to restart it. Because I had no power to anything, I couldn't even turn on my emergency flashers. I could have been killed by an unsuspecting person topping the hill and rear-ending me at 60 mph.
On top of this, I sold a perfectly reliable older Ford Mustang with 130K miles on it that I had for years, that all I EVER had to do was normal maintenance (brakes, oil changes, tune ups). I bought this Tahoe to upgrade, not pay for some expensive shiny tin can that's going to fall apart any second due to faulty engineering/low quality parts.
My family and I have always purchased Ford vehicles, and often owned them 10+ years without things like this going wrong. This was my first Chevrolet/GM vehicle, and will most likely be my last. I'm fairly upset that a company experiencing financial issues (WE ALL ARE!!) would put the lives of its customers at risk without thinking twice, or at least upon reading the THOUSANDS of reports of this issue, own up to the mistake and make it right.
#337 of 456 Re: 2009 Electrical Problems [kcmack]
Aug 11, 2012 (12:39 pm)
It's Lonestar Automotive Electric but before you go there I would look at repair made by amandatxag.
#338 of 456 UPDATE 2008 Silverado with Electrical Issues
Aug 12, 2012 (4:39 am)
My latest update on my electrical bugs continues. A couple of weeks ago I took my truck back to the shop to get checked out due to the lights and sensors flashing on and off again. They couldn't find anything. So, after reading blogs on here I narrowed the trouble shooting down to ignition switch, BCM, or alternator. I have already replaced the master fuse and battery cables. My mechanic replaced the ignition switch and called me when the truck finally started freaking out on him too. However, he couldnt get the truck to start, just a ton of lights, sensors and codes popping. So they checked the BCM and discovered that's where the problem was coming from. So I replaced the switch the BCM and had it re-coded. Only been a couple of days but we'll see how it goes.
#339 of 456 Re: 07 Tahoe electrical problems??
Aug 15, 2012 (6:06 pm)
Had an issue similar to yours but my died for good. I thought it was my battery but it ended up being my Control Module. The input was good and that is why diagnostics were good but no answers. The input good, but nothing came out. My truck would do strange things like windshield wipers would randomly go off with the fluid and I would have to turn off the truck to get it to stop, my stabilitrac would say it needed service and then turn itself off. This should take care of it, however it is pricey... Over $500 to fix.... But it now runs way better
#340 of 456 Re: 2007 Tahoe LTZ Electrical Issues [russellrm]
Aug 16, 2012 (12:24 pm)
I had the same issues as you with the exception of it going completely dead without the ability to restart. I took it to the dealership and they couldn't find anything wrong. I left. It happened again...locks cycling up and down, radio goes off and on, a/c resets itself at 74 degrees, DIC lights flashing in dash, gears switching on dash from Drive to Park, temp gauge and compass in rearview was scrambled, limited acceleration, goes completely dead (like it shorted out) when i turn the truck off, gauge needles flicker, then a "click". Good as new. Took it back to the dealership only for the guy to say again that he can't find anything wrong. I told him to check the voltage because the voltmeter would fluctuate when it happened. He tested the voltage and said he did find a voltage problem. Checked cables and discovered the positive battery cable was chafed. It was replaced. This was May 30th. Thought all was well until last Wednesday, August 8th. Same thing happened. Took it back to the dealership. They had it for two days and said YET AGAIN, they can't find anything wrong. I figured these mechanics apparently had no clue of what they were doing. I picked up my truck and took it to an electrical auto shop. The guy ran a diagnostics and said there were no codes. He said it was possible that the dealership cleared the codes because he knew that I couldn't have "recycled" my truck more than 30 times in two days. He drove it home to see if it would act up on him and, of course, it didn't. However, the next morning he said he went to start it and the truck did nothing. He checked the battery and he said that volt tester read my battery being at 13.9. So, it wasn't the battery. He started testing other areas of the truck and he said that in some areas it was reading 6.9 to 7.3. He stated it appeared to be a floating grounding issue. He placed a rubber clamp and it appeared to fix the problem. He drove it back to the shop that morning. He replaced a ground wire, replaced the ground wire body, and cleaned off other grounded areas. He had to remove the bumper in order to perform this task. It cost me $477. I got it back today so lets see if that does it because I have had it with my possessed truck.
#341 of 456 Re: 2007 Tahoe LTZ Electrical Issues [v8lvr77]
Aug 16, 2012 (6:49 pm)
I'm glad that you and the mechanic seem to have gotten to the bottom of the electrical concerns on your Tahoe. If you end up wanting for us to follow up on your visit to our dealership, please let us know. We can be contacted at socialmediagm.com (include your name, contact information, the last 8 of your VIN, and the name of your dealership).
Sarah, GM Customer Service
#342 of 456 2007 tahoe shuts off but again
Aug 27, 2012 (8:48 am)
i have a 2007 chevy tahoe i bought brandnew and again and aain she goes from point a to point b and bamb she shuts off no reason wont start cant jump start only a few times were we able to jump start but again here it is 2012 and she is dead again and CHEVY CORP is giving me run around they wont help??????she has been towed so many times for SAME problem from road side assistance and they wont help me now?????wtf?????she is dead in my driveway and i have no one top help me?????im am a VERY VERY VERY UNHAPPY consumer
#344 of 456 Re: 2007 tahoe shuts off but again [karena73]
Aug 28, 2012 (6:34 am)
Good morning karena73,
We're sorry to hear about the situation with your Tahoe. Do you have a Service Request open with Customer Assistance at this time (71-**********)? If you wanted for us to check for any updates, please send that number (or the last 8 of the vehicle's VIN) to us at socialmediagm.com with your inquiry.
Sarah, GM Customer Service
#345 of 456 Paying for a car I can't drive
Sep 17, 2012 (9:32 am)
My 2008 Tahoe has been at the dealer for over three and a half weeks now. Not to include the previous visits. I am absolutely appalled that GM can not even figure out what is wrong with the cars they make and sell people. My Tahoe has been having some sort of electrical problem for months now. It never starts in the morning. We have to jump start it daily, or if it sits over 4 hours. It loses power driving down the road. My clock resets every night. I stalled out with my 3 children in the car, as I was turning onto our road, and almost got hit. Dealer has replaced battery, alternator, reset codes daily, positive and negative battery cables, heated seat modules, you name it. When does GM have to step up and fix their problem? This is ridiculous. Do they want their wives and children driving in these vehicles? I love my car when it runs...this is our 5th GM vehicle, but it is surely our last. If we don't get this fixed soon, I am going to rent out newspaper and billboards to advertise for GM......I am making a $500 payment every month, yet I am running around borrowing cars from family members so I can get to work...REALLY!
I have been reading this forum for months...I've read of numerous people with the same problem, and have never seen one person with a solution. The GM Customer Service people just say "Oh, do you want us to help follow your issue?" when do they solve the issue? Even when people say they pay to take it elsewhere, the response is the same, "Glad to hear we could help" really...I haven't seen anyone get help yet!!!!!