2005 Chevrolet Suburban 1500 electrical system problems
46 owner complaints filed with NHTSA name the electrical system on the 2005 Chevrolet Suburban 1500 — 49% of all complaints for this model year.
What owners report
“I noticed corroded and what I would call charred or burnt wiring on the wiring harness for the rear lift gate of my suburban. I noticed it when I opened the lift gate to gain access to the rear of the suburban. It appears that the rubber grommet material protecting the wiring harness, was burnt or…”
filed Oct 22, 2018
“2005 chevrolet suburban 1500 4x4 flex fuel, 5.3l. This vehicle's instrument cluster does not work. Tachometer pegs and sticks. The speedometer is stuck at zero. This is a very serious safety concern that general motors/gm should do a free recall for as many owners of this vehicle have the same…”
filed Aug 8, 2016
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
23-NA-001 · Service Bulletin/Repair Instructions · issued Mar 28, 2025Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to…
General Communication · Service Campaign · issued Aug 26, 2024
Electrical System problems in other Suburban 1500 years
| Year | Reports | Share |
|---|---|---|
| 2025 Suburban 1500 | 5 | 19% |
| 2011 Suburban 1500 | 4 | 5% |
| 2009 Suburban 1500 | 6 | 11% |
| 2008 Suburban 1500 | 12 | 12% |
| 2007 Suburban 1500 | 26 | 14% |
| 2006 Suburban 1500 | 7 | 23% |
| 2004 Suburban 1500 | 84 | 46% |
| 2003 Suburban 1500 | 60 | 34% |
| 2002 Suburban 1500 | 2 | 2% |
| 2001 Suburban 1500 | 4 | 4% |
| 2000 Suburban 1500 | 1 | 1% |
| 1999 Suburban 1500 | 2 | 3% |
Other reported problem areas on the 2005 Chevrolet Suburban 1500
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.