hardly worth mentioning
Crashes / Fires:
0 / 1
Injuries / Deaths:
0 / 0
Average Mileage:
82,378 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2009 Chevrolet Tahoe Hybrid electrical problems

electrical problem

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2009 Chevrolet Tahoe Hybrid Owner Comments

problem #5

Sep 282016

Tahoe Hybrid

  • 99,000 miles


When driving or sitting in a parked position the electrical system goes crazy. Radio, dash controls, bells, lights, unlock/lock all start going on and off randomly. While driving the car will actually die out and stall while the electrical system is going crazy. The electrical system then locked either my ABS or 4WD on the back wheels causing the car to drive slowly then when I finally could pull over my car was smoking from under the entire car like it was going to catch on fire. This is completely unsafe. I was driving up a main highway when my truck started failing in the middle of traffic causing me to put the car in neutral and coast to the side. I then tried to start the truck again and it would not start at all. After turning everything on and off, moving the steering wheel it finally started again. Whatever electrical part or parts that run the entire car clearly have a major fault in them. This issue is clearly documented on videos and blogs from people who are having this problem for years. Search how to fix Chevy electrical problems and you will see. This is not acceptable for so many years without GM having to fix this problem at some point. If you are not a mechanic and take your car in they are charging thousands of dollars to try to search for the problem. It seems to be the ground wires running from the battery on most vehicles or the fuse. This is a simple fix if you are a mechanic but taking it in to the shop they charge outrageous prices. This is also the second time this has happened. The first time this happened my door locks were being replaced and when they gave the car back to me I immediately had to turn around and go back. They replaced the battery and alternator at that time and it has worked fine until now.

- Gulf Shores, AL, USA

problem #4

May 062016

Tahoe Hybrid 4WD 8-cyl

  • Automatic transmission
  • 114,847 miles
The contact owns a 2009 Chevrolet Tahoe hybrid. The contact stated that the service engine warning light and various warning indicators randomly flashed at a high rate of speed. The instrument cluster randomly shorted out while driving approximately 75 mph. Also, there was a drastic reduction in speed and the vehicle stalled. The contact had to apply extreme force to the steering wheel and the power steering assist failed. The contact was able to coast the vehicle over to the side of the road. The vehicle was towed to the contact's residence due to the sudden failure. An independent repair shop inspected the vehicle and was able to review the diagnostic trouble codes, but was unable to provide a diagnosis to repair the vehicle. The vehicle was to be inspected and diagnosed by a dealer to determine the failure. The manufacturer was notified of the failure. The approximate failure mileage was 110,000. Updated 07/12/16 the consumer stated the entire electrical system failed suddenly. The vehicle was towed to the dealer. However, they were unable to find a problem. Updated 07/19/2016.

- Locust Grove, VA, USA

problem #3

Mar 232016

Tahoe Hybrid

  • 135,000 miles
The contact owns a 2009 Chevrolet Tahoe hybrid. After driving the vehicle and aproaching a stop, the vehicle was supposed to shift from gas to electric. However, it involuntarily accelerated even with the brake pedal depressed. In order to stop the vehicle, it had to be shifted to neutral. The contact drove the vehicle to the dealer, but they could not duplicate the failure. The failure occurred multiple times. The manufacturer was notified of the failure. The vehicle was not repaired. The approximate failure mileage was 135,000.

- Umble, TX, USA

problem #2

Jun 282012

Tahoe Hybrid 8-cyl

  • 62,152 miles
The electric door locks that engage when the vehicle is placed in gear have stopped working. If a parent relies on this system the doors may not lock resulting in a dangerous situation. This is a system failure...

- Cheyenne, WY, USA

problem #1

Sep 242009

Tahoe Hybrid

  • 892 miles
I have a 2009 Chevrolet Tahoe hybrid that currently has 1085 miles of service. The vehicle has been in service at two different GM dealerships for 7 of 8 weeks of ownership for an array of issues culminating in two serious safety concerns pertaining to the hybrid system. It was placed in service for a surging/lunging problem and self-acceleration. The dealership claimed to have repaired the problem, but it still exists on a constant basis. When returning it to service, they then said that the hybrid system was "searching for higher RPM's so that it could convert modes between battery and engine power". it will rev from a 600 RPM range to 2000 RPM's without notice in traffic, causing the vehicle to surge forward. Second issue...while driving the vehicle between service stays, I noticed that I would get a tightness in my chest and serious headaches, with no health history of these problems. My wife has a pacemaker and was seriously affected the same way, with jabbing pains in her head, chest pains and a tightness in her neck during and shortly after riding in the vehicle. She does not have these symptoms away from the vehicle. It took us several outings in the truck to associate the symptoms to the ride. I decided to check the vehicle with a volt meter and found that while running, the meter detected 5-15 millivolts of electricity in the seat rails of the passenger seat. When I returned the vehicle to the dealership again, the service technician accompanied me for a test drive and was visibly confused and speaking differently after 20 minutes in the truck. The next day, I returned to the dealership, still concerned about the electrical problem. The service writer was shocked when he opened the passenger door. They kept the vehicle 8 days, declared it safe as compared to another hybrid on their lot, and sent me away without resolve. The next day, we talked to a GM representative that said they would not work on the vehicle again for any reason and warranty is void.

- Linden, MI, USA

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