2005 GMC Sierra Electrical system Problems
- Complaints
- 23about this part
- Share
- 20%of 117 total for the year
- Median mileage
- 60,000miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 23 complaints about the electrical system of the 2005 GMC Sierra, 20% of the 117 complaints for this model year. Where a mileage was given, the median is 60,000 miles. 1 a fire, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“My vehicle was parked in my driveway. I was walking down the driveway and thought the car was being stolen as it was starting. There was no one in the car. The car did start several times on its own so I disconnected the battery cable and had it serviced immediately. How long it had been doing this I do not know. I do know it had not been doing this on the previous day as I walk be there every day at least 2 times.”
NHTSA complaint #10576141, filed 2014-04, 68,000 miles“My speedometer quit working around 78,000 miles. Slowly but surely all my other gauges have quit working over time. The RPM gauge, speedometer, oil temp, and gas gauge. Only one works now. The rest either don't work or fluctuate back and forth. I would have reported this earlier if I knew about this site. It's not the first complaint so there is something up with these models. They should be recalled and fixed by the dealers. I won't ever buy another Gmc vehicle. That's for sure.”
NHTSA complaint #10615809, filed 2014-07, 78,000 miles“2005 Gmc 2500 hd Sierra 4x4 speedometer is stuck on 120mph and never reads below 70 head lights shut off for no reason while driving at night. Mileage odometer was moving 1 mile for ever 30 miles I drove now it went black all together auto seat adjustment is stuck and will not work right all dash lights are not working and everytime I unlock the truck the alarm goes off , I have to put the key in and turn it to stop the alarm.”
NHTSA complaint #10365609, filed 2010-11, 24,344 miles“The blower motor would work and then not work and when it worked for a long period of time, smoke would come out from under the passenger dashboard. I removed the cardboard cover and saw smoke from the connection to the blower loter and the connection was hot to the touch so I pulled it off from the blower.”
NHTSA complaint #10203580, filed 2007-09, 39,000 miles“The driver seat heater randomly turns on by itself. It randomly switches from the seat to the back of the seat to both at the same time, in no particular order. When I turn it off it just comes right back on again. I had the module in the door replaced one time, but it still does it. I live in the south, so it's extremely unbearable during the summer months. I will go for weeks at a time when it doesn't do it, but then it just seems to start again. There really does not seem to be anything in particular that triggers it. …”
NHTSA complaint #10555770, filed 2013-12, 200,000 milesRelated service bulletins
- 10113703Jun 23, 2015This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL)…
- 10028831Jun 1, 2015General motors: intermittent mil/ses/ dtc p2138 with reduced engine power (repair instrument panel (ip) to body harness connector). 2005-08 gm passengers cars/light duty trucks…
- 10114470Apr 17, 2015This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue…
- 10112009Jan 21, 2014This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the…
- 10112428Oct 25, 2013This Preliminary Information communication provides information to the technician about customers that are unable to override the automatic door locking feature. Technician will…
- 10113502Aug 26, 2013This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND.
- 10112900Mar 13, 2013This Preliminary Information communication provides information to the technician about vehicles that will not move in forward or reverse. Technician may find Diagnostic Trouble…
- 10112737Jan 23, 2013This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the…
- 10112523Oct 30, 2012This Preliminary Information communication provides information to the technician about vehicles that have slip in forward ranges immediately after replacing the input housing…
- 10032332Dec 1, 2011Gm/hummer/saab: intermittent illumination of mil, service lamps, service messages, or dtc set by various control modules-diagnosing and repairing fretting corrosion (disconnect…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2017 | 6 | 10% |
| 2016 | 2 | 33% |
| 2015 | 1 | 2% |
| 2014 | 9 | 9% |
| 2013 | 5 | 13% |
| 2012 | 7 | 24% |
| 2011 | 3 | 7% |
| 2010 | 4 | 12% |
| 2009 | 9 | 24% |
| 2008 | 15 | 22% |
| 2007 | 7 | 12% |
| 2006 | 7 | 13% |
| 2005 | 23 | 20% |
| 2004 | 39 | 21% |
| 2003 | 31 | 15% |
| 2002 | 6 | 2% |
| 2001 | 13 | 5% |
| 2000 | 12 | 3% |
| 1999 | 12 | 2% |
| 1998 | 9 | 5% |
| 1997 | 12 | 5% |
| 1996 | 5 | 2% |
| 1995 | 4 | 2% |
| 1994 | 4 | 2% |
| 1993 | 5 | 7% |
| 1992 | 1 | 3% |
| 1990 | 1 | 6% |
| 1989 | 2 | 13% |
Other parts of the 2005 GMC Sierra
37 complaintsSteering
11 complaintsTransmission and drivetrain
11 complaintsEngine cooling
9 complaintsSuspension
9 complaintsEngine
8 complaintsBody and structure
7 complaintsAir bags
6 complaintsVehicle speed control
6 complaintsFuel system
5 complaintsTires
4 complaintsVisibility (wipers, defrost, mirrors)
3 complaints
← All problems reported for the 2005 GMC Sierra
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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