2021 Chevrolet Suburban Other or unknown Problems
- Complaints
- 14about this part
- Share
- 7%of 204 total for the year
- Median mileage
- 361miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 14 complaints about the other or unknown of the 2021 Chevrolet Suburban, 7% of the 204 complaints for this model year. Where a mileage was given, the median is 361 miles. 1 of these say a crash was involved, according to the filers.
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.
“The check engine and traction control light came on in my car. This was accompanied by a clanking sound, shaking. The panel said “ SERVICE ESC” “ service traction control” and “ forward collision system unavailable” The Chevrolet light logo on the back of my car will also not turn off occasionally whenever the car is turned off.”
NHTSA complaint #11719559, filed 2026-02“My vehicle is having an oil consumption problem. 2 quarts were missing from my oils consumption test. The dealer is now doing a secondary oil consumption test and I’ve read up and learned that there have been a lot of recalls with the engine and oils changes.”
NHTSA complaint #11716915, filed 2026-02“I was sold a vehicle from a dealership in Green Bay Wisconsin under the impression all safety regulations were met. The day I drove it off the lot, I had issues with the back drivers' door, making wind noise. I had messaged the salesman, he stated it may have been the door seal. Days went by, it wasn't sitting well with me, I made an appointment with a local body shop in. regard's to the door and suspicion of something not right. …”
NHTSA complaint #11623927, filed 2024-11“There is an issue with the transmission when i accelerate at a slow pace. The car shakes and vibrates. Theres a possibility of an issue with the transfer case 4x4. When i turn the steering wheel and drive, it feels like it locks. It feels like 4x4 is on and theres a odd sound as well. I took my car to Hamilton Chevrolet and paid for inspection. They told me that there was no issue, but the issues i mentioned earlier in this message was mentioned to them. Those issues are still occurring. This is a recall issue but when i put my VIN number in, my car shows that there is no recall on it. …”
NHTSA complaint #11673837, filed 2025-07“I was driving and then the vehicle started running rough. There was no indication or warning lights before this happened. This is a huge safety issue because I could have had a wreck and injured people and my very own family. I took it to a Chevy dealership. They inspected the suburban and number 4 cylinder had a pool of oil in it. And they told me it need a new engine. Which it has the L87 engine that all the GM recalls are on. However, they are telling me mine isn't on the recall. They don't know if GM is going to cover it because it has 111,000 miles and it's out of the power train. …”
NHTSA complaint #11699213, filed 2025-11Related service bulletins
- 11037555Sep 26, 2026This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
- 11037260Sep 10, 2026This preliminary information communicates diagnostic tips for air leveling suspension system.
- 11037253Sep 4, 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- 11036392Aug 20, 2026This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
- 11035340Jul 21, 2026PI to help diagnose A/C concern
- 11035308Jul 21, 2026This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
- 11034769Jun 23, 2026This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
- 11032777May 14, 2026This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
- 11032764May 11, 2026Pi created to provide GM dealers with information on gathering information for projection issue
- 11032763May 11, 2026This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 3 | 7% |
| 2023 | 15 | 11% |
| 2022 | 11 | 9% |
| 2021 | 14 | 7% |
| 2020 | 4 | 9% |
| 2019 | 5 | 6% |
| 2018 | 11 | 13% |
| 2017 | 18 | 13% |
| 2016 | 26 | 12% |
| 2015 | 54 | 13% |
| 2014 | 18 | 31% |
| 2013 | 46 | 39% |
| 2012 | 38 | 38% |
| 2011 | 46 | 31% |
| 2010 | 47 | 40% |
| 2009 | 23 | 22% |
| 2008 | 41 | 19% |
| 2007 | 39 | 13% |
| 2006 | 2 | 9% |
| 2005 | 5 | 4% |
| 2004 | 5 | 2% |
| 2003 | 4 | 1% |
| 2002 | 9 | 3% |
| 2001 | 7 | 2% |
| 2000 | 7 | 2% |
| 1999 | 8 | 1% |
| 1998 | 4 | 2% |
| 1997 | 10 | 2% |
| 1996 | 9 | 3% |
| 1995 | 8 | 2% |
| 1994 | 13 | 2% |
| 1993 | 7 | 1% |
| 1992 | 4 | 2% |
| 1991 | 2 | 4% |
| 1989 | 3 | 5% |
| 1987 | 1 | 6% |
| 1986 | 2 | 29% |
Other parts of the 2021 Chevrolet Suburban
90 complaintsTransmission and drivetrain
39 complaintsFuel system
32 complaintsElectrical system
20 complaintsEngine cooling
11 complaintsForward collision avoidance
11 complaintsBrakes
9 complaintsExterior lighting
7 complaintsSeat belts
7 complaintsAir bags
6 complaintsWheels
4 complaintsLane departure
3 complaints
← All problems reported for the 2021 Chevrolet Suburban
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