2019 Chevrolet Blazer Other or unknown Problems
- Complaints
- 54about this part
- Share
- 29%of 189 total for the year
- Median mileage
- 18,516miles
- Trend
- RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
NHTSA recorded 54 complaints about the other or unknown of the 2019 Chevrolet Blazer, 29% of the 189 complaints for this model year. Where a mileage was given, the median is 18,516 miles.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“While driving, veh showed message , engine power being reduced, service parking brake. Then it died and would not restart. Parking brake was not engaged. Vehicle was in drive and moving apps 30 MPH. I was driving straight. Now the check engine light stays on. Vehicle had reduced power and feels like I'm driving with brake engaged. When the vehicle dies the brake service light illuminated and then turned off after 10 minutes.”
NHTSA complaint #11362407, filed 2020-10, 26,700 miles“I bought the Blazer in may 2019, first 4 months was fine. Starting oct. 8, while driving the car. I had to turn off one highway onto another. I hit resume on the adaptive cruise control and it would not resume. Displayed adaptive cruise control temporarily unavailable . I tried several times. Got home parked. When I left for work, hours later. It worked fine. On oct. 10, 18, nov. 21 while driving- the car would beep 3 times and the adaptive cruise control would shut off. Took it to dealer on 11/7 for this problem. On 12/27 they replayed a front camera. Didn't get it home and it shut off again. …”
NHTSA complaint #11309719, filed 2020-02, 10,332 miles“I was driving into a parking lot when my back passenger side window imploded like a rock was thrown at it, but no rock and nobody in sight. I looked all around for a cause but believe it somehow spontaneous shattered. Thankfully 3 minutes prior I had dropped my kids at school otherwise there would have been injury I am sure.”
NHTSA complaint #11740494, filed 2026-05“My vehicle is breaking on its own. There are other vehicles riding behind me and it just stops out of nowhere. I think that's dangerous. I can be driving and I'm thinking I'm OK driving in a vehicle. Just just hit on break. I don't know where I just stops and while I'm driving and I think that's very dangerous”
NHTSA complaint #11733343, filed 2026-04“There were 2 incidents. 1) got a steering control error, plus my AC stopped working and the temperature gauge would exceed zero. I was able to drive. I had the error code reset and the problem went away 2) car stalled on a busy street and I got a service all wheel drive warning. I was able to restart the car and the error went away.”
NHTSA complaint #11588222, filed 2024-05Related 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
- 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
- 11027697Jan 16, 2026This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
- 11027601Jan 8, 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- 11025755Nov 20, 2025This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s…
Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 9 | 26% |
| 2024 | 9 | 17% |
| 2023 | 3 | 7% |
| 2022 | 9 | 17% |
| 2021 | 24 | 17% |
| 2020 | 57 | 25% |
| 2019 | 54 | 29% |
| 2007 | 1 | 11% |
| 2004 | 1 | 2% |
| 2003 | 1 | 1% |
| 2002 | 7 | 3% |
| 2001 | 10 | 3% |
| 2000 | 17 | 3% |
| 1999 | 12 | 3% |
| 1998 | 14 | 2% |
| 1997 | 27 | 4% |
| 1996 | 14 | 1% |
| 1995 | 36 | 3% |
| 1994 | 8 | 1% |
| 1993 | 3 | 1% |
| 1992 | 2 | 1% |
| 1991 | 2 | 1% |
| 1990 | 2 | 6% |
| 1988 | 1 | 3% |
| 1987 | 1 | 3% |
| 1984 | 1 | 11% |
Other parts of the 2019 Chevrolet Blazer
64 complaintsElectrical system
62 complaintsEngine
40 complaintsSteering
28 complaintsBrakes
14 complaintsVehicle speed control
7 complaintsForward collision avoidance
6 complaintsLane departure
4 complaintsBody and structure
4 complaintsAir bags
3 complaintsBack-over prevention (rear camera)
3 complaintsFuel system
2 complaints
← All problems reported for the 2019 Chevrolet Blazer
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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