2001 Chevrolet Blazer Transmission and drivetrain Problems
- Complaints
- 31about this part
- Share
- 10%of 326 total for the year
- Median mileage
- 56,696miles
- Trend
- FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA recorded 31 complaints about the transmission and drivetrain of the 2001 Chevrolet Blazer, 10% of the 326 complaints for this model year. Where a mileage was given, the median is 56,696 miles. 1 of these say a crash was involved, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I have a 2001 Blazer that keeps popping up a check engine light codes.I.e p0301,p0753,p0756,p0758. I have had these parts replaced twice in the last few months. Mechanic said it was related to the electrical system. The codes come back after driving for about 100 miles.”
NHTSA complaint #11374977, filed 2020-11, 235,760 miles“Since I bought my 2001 chevy Blazer, I've had to replace ball joints everytime I have a front end alignment. This year I've replaced 3 wheel bearings, fuel pump, and I just lost my transmission. I've had the light recall fixed. My service engine light stays on, but you cannot put a computer to it because it doesn't work. My ABS light comes and goes. Whats next?”
NHTSA complaint #10177263, filed 2006-12, 159,097 miles“My friends borrowed my vehicle, a 2001 chevy Blazer, and went camping in the mountains. The vehicle was parked at a location that could have been very dangerous due to this failure, it was near a creek bank with a drop of approximately 30 feet. When the vehicle was started and put into reverse all it would do is coast forward which could have been very dangerous if they did not react in time as it could have went over a cliff. Fortunately they were in an area where there was a pay phone. …”
NHTSA complaint #10164810, filed 2006-08, 78,407 miles“40,300 miles on 2001 Blazer, transmission seals failed. Had to rebuild transmission. Gm offered to pay parts only, left us with $1250 labor repair bill. Purchased vehicle as dealer demo, 7500 miles when we bought, but we hold first title”
NHTSA complaint #10020640, filed 2003-05, 40,300 miles“My wife and I bought our '01 chevy Blazer used in 04/05. From the start we had a hard time getting it to engage/disengage 4wd. This last winter my wife, the primary driver, complained that the vehicle had no power while coming home one night and the weeknights following for a week. I checked in the mornings it was fine. Pretty soon we both started noticing the gas gauge bouncing around like it was dancing. My wife thinking she was running out of gas would pull into the first gas station. She would fill up and leave the station only to have it happen again after pulling away from the pump. …”
NHTSA complaint #10167123, filed 2006-08, 144,056 milesRelated service bulletins
- 11006421Jul 24, 2024GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or…
- 10249579Jan 12, 2024This PI bulletin advises the technician on the proper way to install the pistons in an engine.
- 10242843Sep 1, 2023The 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…
- 10224273Sep 1, 2022This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the…
- 10220319Sep 1, 2022This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the…
- 10143757Jul 9, 2018This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of…
- 10096073Feb 17, 2016This preliminary information communication provides information to the technician about vehicle that after a transmission or torque converter replacement the vehicle may have a…
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 8 | 15% |
| 2023 | 10 | 23% |
| 2022 | 12 | 22% |
| 2021 | 19 | 13% |
| 2020 | 75 | 33% |
| 2019 | 64 | 34% |
| 2004 | 4 | 8% |
| 2003 | 12 | 16% |
| 2002 | 33 | 13% |
| 2001 | 31 | 10% |
| 2000 | 84 | 14% |
| 1999 | 54 | 12% |
| 1998 | 74 | 10% |
| 1997 | 110 | 14% |
| 1996 | 96 | 8% |
| 1995 | 68 | 6% |
| 1994 | 12 | 2% |
| 1993 | 19 | 4% |
| 1992 | 3 | 1% |
| 1991 | 8 | 4% |
| 1990 | 3 | 9% |
| 1989 | 1 | 3% |
| 1988 | 2 | 5% |
| 1987 | 4 | 13% |
| 1986 | 1 | 5% |
| 1985 | 4 | 14% |
Other parts of the 2001 Chevrolet Blazer
68 complaintsBrakes
51 complaintsElectrical system
40 complaintsSuspension
40 complaintsFuel system
33 complaintsEngine cooling
23 complaintsAir bags
22 complaintsBody and structure
15 complaintsVisibility (wipers, defrost, mirrors)
15 complaintsEquipment
12 complaintsSteering
12 complaintsSeat belts
11 complaints
← All problems reported for the 2001 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