2001 Chevrolet Trailblazer Other or unknown Problems
- Complaints
- 2about this part
- Share
- 10%of 20 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the other or unknown of the 2001 Chevrolet Trailblazer, 10% of the 20 complaints for this model year. 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.
“While driving approximately 58 MPH in rainy weather with a trailer attached, trailer started to fishtail while going down hill. Trailer had swung around and broke free of the hitch and hit the side of truck. Truck grazed an enbankment, and went into the medium strip, hitting another vehicle head on. Vehicle was totaled, and driver suffered a head injury and fractured vertebrate. Neither air bag deployed upon the frontal impact. Please describe details.”
NHTSA complaint #8018335, filed 2002-09“While driving ABS light came on. When applying brakes pedal went to the floor. Dealer contacted. The vehicle had gone through five red lights, intersections, and stop signs with no brakes and was unable to stop. Other problems were: the tires were out of round(all 4), there were no brake or tail lights, the engine surged, the speedometer fluctuated, there was a smoke and or smoky odor, the electronic brake control failed, the vehicle did not start, the brakes would lock when the vehicle was backed, and the battery died.”
NHTSA complaint #8004866, filed 2002-03Related service bulletins
- 11020816Jul 18, 2025This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
- 11004557Jun 17, 2024This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
- 10201115Dec 1, 2015OnStar Voice Fallback Number Update
Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 4 | 33% |
| 2025 | 7 | 27% |
| 2024 | 6 | 17% |
| 2023 | 15 | 20% |
| 2022 | 36 | 32% |
| 2021 | 59 | 30% |
| 2009 | 1 | 4% |
| 2008 | 9 | 5% |
| 2007 | 16 | 2% |
| 2006 | 23 | 2% |
| 2005 | 32 | 2% |
| 2004 | 21 | 2% |
| 2003 | 19 | 2% |
| 2002 | 36 | 3% |
| 2001 | 2 | 10% |
Other parts of the 2001 Chevrolet Trailblazer
5 complaintsTransmission and drivetrain
5 complaintsBrakes
4 complaintsExterior lighting
3 complaintsBody and structure
3 complaintsAir bags
2 complaintsElectrical system
2 complaintsEquipment
1 complaintsTires
1 complaints
← All problems reported for the 2001 Chevrolet Trailblazer
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