1999 GMC Sierra 2500 Electrical system Problems
- Complaints
- 2about this part
- Share
- 6%of 36 total for the year
- Median mileage
- 100,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 1999 GMC Sierra 2500, 6% of the 36 complaints for this model year. Where a mileage was given, the median is 100,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“1999 Gmc k2500 fuel gauge goes down to show half a tank and stops there. Shows erratic readings. Vehicle can run out of gas and appear to have aprox. Half a tank.”
NHTSA complaint #10239883, filed 2008-08, 100,000 miles“Circuit board shorts out frequently. Tail lights go out, and when turning brake lights, they go out. Circuit boards were replaced. Please provide any further information.”
NHTSA complaint #899881, filed 2001-12Related service bulletins
- 10043504Jan 1, 2012Gmc/chevrolet: see docuemtn search button for owner letter. Auxiliary battery feed may cause fusible link to melt and open circuit to prevent damage or fire in wiring harness…
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 1999 GMC Sierra 2500
22 complaintsSuspension
3 complaintsTires
3 complaintsExterior lighting
2 complaintsFuel system
2 complaintsSteering
2 complaintsAir bags
1 complaintsLatches, locks and linkages
1 complaintsBody and structure
1 complaintsTransmission and drivetrain
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 1999 GMC Sierra 2500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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