2020 Chevrolet Blazer Vehicle speed control Problems
- Complaints
- 4about this part
- Share
- 2%of 224 total for the year
- Median mileage
- 75,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the vehicle speed control of the 2020 Chevrolet Blazer, 2% of the 224 complaints for this model year. Where a mileage was given, the median is 75,000 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.
“The contact owns a 2020 Chevrolet Blazer. The contact stated that the front passenger’s seat belt buckle was inoperable. The contact buckle was jammed and failed to properly secure the seat belt in place. The contact stated that while driving and stopped at a red light, the traffic light turned green and the accelerator pedal was depressed; however, the vehicle surged forward unexpectedly while rolling. Additionally, the contact stated that the infotainment system intermittently displayed a blank or distorted screen, became frozen and was unresponsive to the touch commands. …”
NHTSA complaint #11744808, filed 2026-06, 75,000 miles“What component or system failed or malfunctioned, and is it available for inspection upon request? Multiple components in the engine timing and transmission system have failed. These include: Camshaft actuator solenoid valve failed twice (at ~30,000 and ~60,000 miles), each time with different DTC codes. Camshaft positioning sensor failed, triggering P0024 (“timing advanced and bouncing around”). Timing chain tensioner spring failed, requiring re-timing. Camshaft carrier case gasket experienced a major oil leak at 59,000 miles. Thermostat failed. …”
NHTSA complaint #11659014, filed 2025-05Related 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 |
|---|---|---|
| 2025 | 1 | 3% |
| 2024 | 2 | 4% |
| 2023 | 1 | 2% |
| 2022 | 1 | 2% |
| 2021 | 1 | 1% |
| 2020 | 4 | 2% |
| 2019 | 7 | 4% |
| 2005 | 1 | 7% |
| 2004 | 2 | 4% |
| 2003 | 2 | 3% |
| 2002 | 4 | 2% |
| 2001 | 10 | 3% |
| 2000 | 26 | 4% |
| 1999 | 13 | 3% |
| 1998 | 33 | 5% |
| 1997 | 47 | 6% |
| 1996 | 28 | 2% |
| 1995 | 44 | 4% |
| 1994 | 24 | 4% |
| 1993 | 17 | 3% |
| 1992 | 10 | 4% |
| 1991 | 11 | 5% |
| 1990 | 2 | 6% |
| 1989 | 2 | 5% |
| 1988 | 1 | 3% |
| 1987 | 2 | 7% |
| 1986 | 1 | 5% |
Other parts of the 2020 Chevrolet Blazer
78 complaintsTransmission and drivetrain
75 complaintsEngine
71 complaintsOther or unknown
57 complaintsSteering
43 complaintsBrakes
11 complaintsFuel system
5 complaintsLane departure
5 complaintsSuspension
4 complaintsAir bags
3 complaintsEngine cooling
3 complaintsForward collision avoidance
3 complaints
← All problems reported for the 2020 Chevrolet Blazer
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