2023 Chevrolet Blazer Engine Problems
- Complaints
- 12about this part
- Share
- 27%of 44 total for the year
- Median mileage
- 53,550miles
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 12 complaints about the engine of the 2023 Chevrolet Blazer, 27% of the 44 complaints for this model year. Where a mileage was given, the median is 53,550 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.
“I am writing to inform the appropriate authorities of the issues that I’ve continually had with my 2023 Chevrolet Blazer. It has come to my attention that the aforementioned vehicle will need a new transmission and possible engine repair currently totaling at just over 6,000 dollars in repair costs. When I was provided with the total repair cost I was informed by the certified service representative that this was a common issue for the Blazer model and that GM was aware of the ongoing issue. …”
NHTSA complaint #11681348, filed 2025-08“Re: Vehicle Safety Defect Complaint – 2023 Chevrolet Blazer To Whom It May Concern, I am submitting a formal safety defect complaint regarding my 2023 Chevrolet Blazer. This vehicle has exhibited multiple system failures that present a serious risk to driver safety and public roadway safety. The vehicle was purchased new on July 20, 2023. Beginning on April 21, 2025, at approximately 27,610 miles, the vehicle developed a progressive defect initially presenting as oil-related issues. Despite multiple repair attempts, the condition worsened and required a full engine replacement in January 2026. …”
NHTSA complaint #11734585, filed 2026-04“Vehicle having multiple stalls with ABS light on while driving vehicle been at the dealership technician tried to repair it did not get fixed. Returned again stated that it was a wheel speed sensor. My vehicles been at the dealership for over two months now with no part ETA. Multiple instrument cluster lights and vehicle stalls while driving.”
NHTSA complaint #11536594, filed 2023-08“The contact owns a 2023 Chevrolet Blazer. The contact stated that while driving 10 MPH and pulling into a parking lot, the sun gear and the drive shaft fractured. The vehicle became inoperable. The vehicle was pushed to a safe place. The check engine warning light illuminated after the failure. The contact associated the failure with NHTSA Campaign Number: 23V172000 (Power Train). The vehicle was towed on a flatbed to the local dealer. The vehicle was not diagnosed or repaired. The dealer provided an estimate for the transmission replacement. …”
NHTSA complaint #11745894, filed 2026-06, 107,000 miles“The contact owns a 2023 Chevrolet Blazer. The contact stated that while driving at an undisclosed speed and making a left turn, the vehicle unexpectedly came to a complete stop for several seconds, and then was able to continue driving. An unknown warning light was illuminated. The vehicle was taken to the dealer, but the cause of the failure could not be determined. The vehicle was not repaired. The failure recurred on several occasions. The manufacturer was not made aware of the failure. The failure mileage was approximately 100.”
NHTSA complaint #11590990, filed 2024-05, 100 milesRelated service bulletins
- 11026017Jun 5, 2025This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
- 11024485May 15, 2025The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the…
- 11020254May 7, 2025This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in…
- 11019547Apr 22, 2025This service bulletin provides a procedure to test and replace the battery distribution fuse block if found the cause of the DTC and electric coolant pump inoperative.
- 11019543Apr 22, 2025This service bulletin provides diagnostic repair information to correct an oil leak in the engine.
- 11019503Apr 18, 2025This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California…
- 11019378Apr 12, 2025This service bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Malfunction Indicator Lamp (MIL) Illuminated…
- 11017508Apr 3, 2025This service bulletin provides a procedure to add deadener to the batter tray bracket to correct customer concerns of a Service Engine Soon (SES), Reduced Power, Service Brake…
- 11014634Mar 27, 2025This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
- 11017263Mar 25, 2025This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 3 | 9% |
| 2024 | 7 | 13% |
| 2023 | 12 | 27% |
| 2022 | 15 | 28% |
| 2021 | 42 | 30% |
| 2020 | 71 | 32% |
| 2019 | 40 | 21% |
| 2006 | 2 | 11% |
| 2002 | 3 | 1% |
| 2000 | 1 | 0% |
| 1999 | 2 | 0% |
| 1998 | 2 | 0% |
| 1996 | 1 | 0% |
| 1995 | 2 | 0% |
Other parts of the 2023 Chevrolet Blazer
10 complaintsTransmission and drivetrain
10 complaintsElectrical system
7 complaintsForward collision avoidance
7 complaintsSteering
6 complaintsExterior lighting
4 complaintsFuel system
3 complaintsOther or unknown
3 complaintsEngine cooling
2 complaintsLane departure
2 complaintsAir bags
1 complaintsTires
1 complaints
← All problems reported for the 2023 Chevrolet Blazer
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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