2018 GMC Sierra 2500 Other or unknown Problems
- Complaints
- 5about this part
- Share
- 14%of 35 total for the year
- Median mileage
- 1,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the other or unknown of the 2018 GMC Sierra 2500, 14% of the 35 complaints for this model year. Where a mileage was given, the median is 1,000 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.
“Rear camera only works intermittently and never early mornings when truck is put in reverse. A blue screen comes up with 'service back up camera ' on screen.”
NHTSA complaint #11301726, filed 2020-01, 1,000 miles“driving at 70mph, thread from tire blew.. That was in July, I went and purchased another tire from Bob King GMC Wilmington, NC. The first tire that blew was now discontinued so I purchased another Good Year . On Friday I noticed that another tire on my truck had a bubble along the threads again. It was also getting ready to blow like the first tire. I went to the dealer and they told me the tire I purchased (Good Year) was also discontinued... Please look into this matter.. They have faulty tires and this matter could have turned out with a death.. It isn't the dealers fault it is Good Year .. …”
NHTSA complaint #11544060, filed 2023-09“Water leak, known in other years of the same model vehicle, caused the rear defrost to fail and smoke when in operation nearly causing a fire in the vehicle as it was being operated.”
NHTSA complaint #11491986, filed 2022-11“Diesel exhaust fluid systems limited to slower speeds causing traffic back up. Issue is these components are failing on these trucks. Mine failed with in 3 yrs of manufacture date.”
NHTSA complaint #11443047, filed 2021-12Related service bulletins
- 11037560Sep 26, 2026This PI was created to help address the correct repair regarding a low coolant message on the DIC
- 11037555Sep 26, 2026This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
- 11037253Sep 4, 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- 11035350Jul 23, 2026This PI provides information to repair the door water deflector which is not sealed properly allows water into the door jam/sill area.
- 11035340Jul 21, 2026PI to help diagnose A/C concern
- 11035308Jul 21, 2026This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
- 11034767Jun 24, 2026This Preliminary information communicates information on a hydraulic rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic…
- 11032777May 14, 2026This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
- 11030974Apr 1, 2026This preliminary information communicates information about how to determine if a wheel and tires size change is available.
- 11030092Mar 9, 2026This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 1 | 7% |
| 2025 | 6 | 21% |
| 2024 | 13 | 12% |
| 2023 | 2 | 6% |
| 2022 | 6 | 13% |
| 2021 | 3 | 6% |
| 2020 | 18 | 23% |
| 2019 | 2 | 6% |
| 2018 | 5 | 14% |
| 2017 | 6 | 16% |
| 2016 | 7 | 12% |
| 2015 | 8 | 9% |
| 2014 | 7 | 23% |
| 2013 | 14 | 30% |
| 2012 | 7 | 23% |
| 2011 | 9 | 14% |
| 2010 | 4 | 40% |
| 2009 | 2 | 6% |
| 2008 | 9 | 14% |
| 2007 | 9 | 11% |
| 2005 | 3 | 3% |
| 2003 | 2 | 1% |
| 2002 | 3 | 2% |
| 2001 | 5 | 4% |
| 2000 | 1 | 2% |
Other parts of the 2018 GMC Sierra 2500
8 complaintsElectrical system
7 complaintsFuel system
6 complaintsEquipment
4 complaintsExterior lighting
4 complaintsTires
3 complaintsTransmission and drivetrain
3 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsBack-over prevention (rear camera)
1 complaintsSeat belts
1 complaintsSteering
1 complaintsWheels
1 complaints
← All problems reported for the 2018 GMC Sierra 2500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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