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hardly worth mentioning
Crashes / Fires:
0 / 2
Injuries / Deaths:
0 / 0
Average Mileage:
57,888 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.

2007 GMC Sierra electrical problems

electrical problem

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2007 GMC Sierra Owner Comments

problem #6

Nov 102015


  • 82,451 miles


As truck was started after routine maintenance and being pull out of garage ON11/10/15 there was a fire under the front of truck. When the fire was extinguished, the mechanic saw that the wiring was exposed due to continuous scraping against truck frame.

- Fenton, MI, USA

problem #5

Aug 062009

Sierra 8-cyl

  • miles
Vehicle would not start, ignition would not work and air bags!!!

- Pasadena, TX, USA

problem #4

Dec 142012

Sierra 8-cyl

  • 95,263 miles
Heater motor continues to run after the switch is turned off, the blower only works randomly. I understand there is a recall for this issue but my VIN is not included. This seems to be a problem in a number of different GM vehicles. There is a chance of electrical fire with the being able to run with the switch off also the report would not pull a list of parts nor would it permit me to type in the parts: Heater motor blower resistor, and wiring connectors.

- Alexandria, AL, USA

problem #3

Dec 192012


  • 95,000 miles


The contact owns a 2007 GMC Sierra. The contact stated that the heater failed. The motor would operate but no heat would emit from the vents. The vehicle was taken to the dealer for inspection where they stated that the wiring was overheating and the wiring harness needed to be replaced. The vehicle was not repaired. The manufacturer was notified and advised that the vehicle was not included in any recall. The failure mileage was 95,000.

- Alexandria, AL, USA

problem #2

Aug 272012


  • 74,616 miles
The contact owns a 2007 GMC Sierra. The contact stated that while driving 55 mph, there was smoke coming through the vents along with a burning odor. The air conditioning unit was activated when the smoke started pouring through the vents. As the air conditioner was turned off and the smoke ceased. The air conditioner was never used again. Most of the electrical lights on the instrument panel started to illuminate. The vehicle was taken to a mechanic who stated that the failure was caused by the throttle sensor or the catalytic converter. Neither the dealer nor the manufacturer was notified. The vehicle was not repaired. The failure mileage was 74,616.

- Cedar Park, TX, USA

problem #1

Jan 212011


  • miles
I continue to be annoyed by a condition I experience with the GMC vehicle I purchased new three years ago. The problem is one that the dealer does not have a remedy for. The specific problem is that when the vehicle is parked overnight or when it is parked in the shadows, the instrument panel is not lighted when one drives away sometimes for periods of up to thirty to forty-five minutes. This becomes particularly irritating in the case of the radio which cannot be read from the driver's position. Only after the vehicle has been in the bright sun for sometimes as little as ten and often as much as forty-five minutes will the dash lights kick in to where they are easily readable. I find this condition a potential hazard in that people may be stretching to read their radio or may not be able to adequately view their instrumental panel otherwise. The problem seems to be a design error. What appears to be an electric eye or similar device is in the shadow of the windshield wiper assembly or the pillar on the passenger side. What happens then is when the electric eye is in full sun, it eventually seems to find where it is at and the lighting in the dash is increased. It seems that because this is a dangerous condition much in the way of cell phones, GM ought to be made to recall and/or offer a remedy to the consumer. I find this comment being made by fellow owners of GMC and Chevrolet pick-up trucks. The problem then is not only mine. How widespread is it?

- La Grange, TX, USA

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