2020 Chevrolet Suburban Other or unknown Problems
- Complaints
- 4about this part
- Share
- 9%of 44 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the other or unknown of the 2020 Chevrolet Suburban, 9% of the 44 complaints for this model year.
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 transmission is not shifting appropriately from 2nd to 3rd 3rd to 4th. There is a huge whining noise when it reaches the end before shifts. There is known issues in the 2020 suburban and this vehicle was never recalled for similar issues.”
NHTSA complaint #11696536, filed 2025-10Related service bulletins
- 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.
- 11035340Jul 21, 2026PI to help diagnose A/C concern
- 11035308Jul 21, 2026This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
- 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.
- 11030091Mar 9, 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- 11029950Mar 2, 2026This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
- 11028700Feb 5, 2026This preliminary information communicates an issue with aftermarket LED headlights causing IPC warning messages and MIL along with several low speed lan DTCs.
Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 3 | 7% |
| 2023 | 15 | 11% |
| 2022 | 11 | 9% |
| 2021 | 15 | 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 2020 Chevrolet Suburban
17 complaintsTransmission and drivetrain
10 complaintsElectrical system
8 complaintsSteering
4 complaintsBrakes
3 complaintsFuel system
3 complaintsVehicle speed control
3 complaintsAir bags
2 complaintsElectronic stability control
2 complaintsSuspension
2 complaintsEngine cooling
1 complaintsForward collision avoidance
1 complaints
← All problems reported for the 2020 Chevrolet Suburban
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