2005 GMC Sierra 2500 Electrical system Problems
- Complaints
- 42about this part
- Share
- 37%of 115 total for the year
- Median mileage
- 70,000miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 42 complaints about the electrical system of the 2005 GMC Sierra 2500, 37% of the 115 complaints for this model year. Where a mileage was given, the median is 70,000 miles. 5 a fire, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“While pulling a 30 ft. Camper at approximately 50 MPH the speedometer suddenly went past 120 MPH and stayed . I now have no way of determining my speed . The local dealer said I would have to bring it in and leave it at least 3 days .”
NHTSA complaint #10593858, filed 2014-05, 114,000 miles“Replaced every module in the heater system in my 05 Gmc sierra several times, and so has just about everyone else I know who owns one. Now my wiring harness burned without blowing any fuses. Gm should have a recall on this, and find the problems, and fix them, before everyone who owns one goes broke repairing them.”
NHTSA complaint #10282861, filed 2009-09, 95,000 miles“I own a 2005 Gmc sierra 2500hd pickup. The speedometer on this vehicle is starting to go bad and when I am driving down the highway it will gradually loose indicated speed and then eventually go to zero. I am aware that there is currently a recall out for this type of problem, but I had my vehicle in the shop and for some reason my VIN # does not fall into the recall list so I have not got it repaired at this time. …”
NHTSA complaint #10310404, filed 2010-02, 40,250 miles“1) the driver door power windows,locks,and extended mirror buttons quit working,I can be driving down the road and I cant roll the windows down ,cant adjust my mirror and time that I stop to check the fuzes the door controls start working again. I try to lock the doors when I get out of the truck and nothing is working the pass.side works fine,I took off the door panel and they start working but by the time I put the panel back on .there still work but come back out and they quit again. …”
NHTSA complaint #10607618, filed 2014-07, 117,800 miles“I bought my Gmc SIERRA 2500 in june of 2005. Shortly after I bought the truck I started to notice rust on the trailer hitch and frame rails. As the years have gone by, the entire undercarriage is rusted over. Over the last several years a brake line rusted through and the brake pads & rotors have been replaced several times. I was lucky to be picking my truck up from the shop after an oil change & not driving it, when I noticed brake fluid on the ground under my truck.my speedometer does not work properly & the dashboard lighting works occasionally. …”
NHTSA complaint #10604632, filed 2014-06, 50,000 milesRelated service bulletins
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Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 5 | 38% |
| 2025 | 1 | 4% |
| 2024 | 33 | 31% |
| 2023 | 6 | 18% |
| 2022 | 12 | 27% |
| 2021 | 6 | 12% |
| 2020 | 13 | 16% |
| 2019 | 9 | 28% |
| 2018 | 7 | 20% |
| 2017 | 6 | 16% |
| 2016 | 9 | 15% |
| 2015 | 11 | 12% |
| 2014 | 4 | 13% |
| 2013 | 3 | 7% |
| 2012 | 4 | 13% |
| 2011 | 9 | 14% |
| 2009 | 7 | 23% |
| 2008 | 3 | 5% |
| 2007 | 5 | 6% |
| 2006 | 4 | 6% |
| 2005 | 42 | 37% |
| 2004 | 48 | 34% |
| 2003 | 36 | 23% |
| 2002 | 1 | 1% |
| 2001 | 4 | 3% |
| 2000 | 3 | 6% |
| 1999 | 2 | 6% |
| 1998 | 1 | 7% |
Other parts of the 2005 GMC Sierra 2500
38 complaintsSteering
16 complaintsEngine cooling
13 complaintsTransmission and drivetrain
7 complaintsBody and structure
6 complaintsEngine
5 complaintsWheels
5 complaintsAir bags
3 complaintsFuel system
3 complaintsOther or unknown
3 complaintsSuspension
3 complaintsVehicle speed control
3 complaints
← All problems reported for the 2005 GMC Sierra 2500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology