2020 Chevrolet Suburban Vehicle speed control Problems
- Complaints
- 3about this part
- Share
- 7%of 44 total for the year
- Median mileage
- 200miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the vehicle speed control of the 2020 Chevrolet Suburban, 7% of the 44 complaints for this model year. Where a mileage was given, the median is 200 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.
“When adaptive cruise is engaged, the system hesitates when lead vehicles slows at a slow rate (no brake lights observed on lead vehicle), requiring operator to apply brakes. When adaptive cruise control is engaged during highway driving, intermittently, medium slowing of lead vehicle (brakes applied) the vehicle does not react in time to avoid collision without active and heavy brake application (jerking driver and/or passenger) to avoid collision. Above 65 miles an hour the adaptive cruise control does not leave adequate distance between vehicle and lead vehicle. …”
NHTSA complaint #11349569, filed 2020-08, 200 miles“Driving on interstate and gradual onset of clicking/knocking. Within 5 minutes complete loss of propulsion and throttle. RPM went to zero. Oil pressure/temperature/engine lights all fine. Dealership states catastrophic engine failure. My family was in the vehicle. Fortunately still had power steering and brakes and able to guide vehicle to shoulder.”
NHTSA complaint #11710298, filed 2026-01“On October 27, coming back from a family trip at 10 PM at night on a major highway, the suburban all of a sudden quit. Traveling at 70 miles per hour, all of a sudden, when pressing the gas pedal, the car would not accelerate and the RPM gauge was erratically moving. The car started to slow down till it eventually just quit and it would not go anymore. We were stranded in the middle of the highway with cars coming and going both ways. It was scary, it was dark, and dangerous. A tow truck was called and they told the suburban to a Chevrolet dealership 60 miles away. …”
NHTSA complaint #11623855, filed 2024-11Related service bulletins
- 11014171Jan 31, 2025This service bulletin provides information on proper use of floor mats.
Vehicle speed control: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 1 | 1% |
| 2022 | 1 | 1% |
| 2021 | 3 | 1% |
| 2020 | 3 | 7% |
| 2019 | 1 | 1% |
| 2018 | 3 | 4% |
| 2017 | 6 | 4% |
| 2016 | 5 | 2% |
| 2015 | 4 | 1% |
| 2014 | 1 | 2% |
| 2013 | 4 | 3% |
| 2012 | 1 | 1% |
| 2011 | 5 | 3% |
| 2010 | 2 | 2% |
| 2009 | 2 | 2% |
| 2008 | 3 | 1% |
| 2007 | 1 | 0% |
| 2005 | 8 | 6% |
| 2004 | 12 | 6% |
| 2003 | 15 | 5% |
| 2002 | 8 | 3% |
| 2001 | 12 | 3% |
| 2000 | 6 | 2% |
| 1999 | 19 | 3% |
| 1998 | 2 | 1% |
| 1997 | 3 | 1% |
| 1996 | 5 | 1% |
| 1995 | 9 | 2% |
| 1994 | 12 | 1% |
| 1993 | 9 | 2% |
| 1990 | 1 | 2% |
| 1988 | 1 | 3% |
| 1987 | 1 | 6% |
| 1985 | 1 | 11% |
Other parts of the 2020 Chevrolet Suburban
17 complaintsTransmission and drivetrain
10 complaintsElectrical system
8 complaintsOther or unknown
4 complaintsSteering
4 complaintsBrakes
3 complaintsFuel system
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 Nov 1, 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