Illustration2001 TRAILBLAZER CUTS OFF WHEN DRIVING. AFTER HAVING IT SERVICED FOUND THAT MASS AIR FLOW SENSOR NEEDS TO BE REPLACED FUSE AND HOSE ASSEMBLY. *TS *JB
2001 Chevrolet Trailblazer
Owner reports · Recalls · Investigations
Fewer warning signs than most model years
Owner complaints for the 2001 Chevrolet Trailblazer are lower than the model-year median of 87.5.
About this comparison →How this year compares
Owner complaints by model year
Compare all Trailblazer years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 11 of 20 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Engine And Engine Cooling. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Exterior Lighting. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
2 crash reports0 fire reports0 injury reports
What owners actually said
20 reportsWHILE PULLING OUT ONTO A BUSY HIGHWAYTRANSMISSION JERKED AND BOGGED DOWN. WHEN TRYING TO ACCELERATE TO KEEP FROM GETTING REAR ENDED, I PUSHED THE ACCELERATOT BUT 1ST TO SECOND GEAR WOULD NOT ENGAGE. AFTER BACKING OF THE ACCELERATOR THE GEARS CAUGHT. NOW IT WILL NOT GO IN REVERSE AND 1ST TO 2ND AND 3RD TO 4TH HAS TROUBLE ENGAG…
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WHILE PULLING OUT ONTO A BUSY HIGHWAYTRANSMISSION JERKED AND BOGGED DOWN. WHEN TRYING TO ACCELERATE TO KEEP FROM GETTING REAR ENDED, I PUSHED THE ACCELERATOT BUT 1ST TO SECOND GEAR WOULD NOT ENGAGE. AFTER BACKING OF THE ACCELERATOR THE GEARS CAUGHT. NOW IT WILL NOT GO IN REVERSE AND 1ST TO 2ND AND 3RD TO 4TH HAS TROUBLE ENGAGING. *AK
WHILE DRIVING AT 25 MPH ON A RURAL ROAD CONSUMER CAME TO A STOP. THEN PRESSED THE BRAKES, AND CONSUMER FELT THAT BRAKES TRIED TO ENGAGE, BUT VEHICLE KEPT GOING ACROSS THE INTERSECTION. AFTER TRAVELING ANOTHER SIXTY FEET OR SO VEHICLE CAME TO A STOP ON ITS OWN. DEALER ACKNOWLEDGED THAT THERE WAS A FLAW DESIGN IN THE ABS SYSTEM…
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WHILE DRIVING AT 25 MPH ON A RURAL ROAD CONSUMER CAME TO A STOP. THEN PRESSED THE BRAKES, AND CONSUMER FELT THAT BRAKES TRIED TO ENGAGE, BUT VEHICLE KEPT GOING ACROSS THE INTERSECTION. AFTER TRAVELING ANOTHER SIXTY FEET OR SO VEHICLE CAME TO A STOP ON ITS OWN. DEALER ACKNOWLEDGED THAT THERE WAS A FLAW DESIGN IN THE ABS SYSTEM.*AK
CONSUMER STATED THAT WHILE DRIVING AND WITHOUT WARNING OIL IS LEAKING FROM THE VEHICLE AND CAUSING THE CONSUMER TO REFILL MORE THEN OFTEN. CAUSE UNKNOWN. DEALER NOTIFIED. TS
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, AN…
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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. *AK
AT A 25MPH VEHICLE CRASHED AND AIRBAGS DID NOT DEPLOY. CAUSE UNKNOWN DEALER NOTIFIED.*AK
WHILE DRIVING VEHICLE WILL STALL OUT WITHOUT ANY WARNING.*AK
A SEVERE MUSK ODOR IS GETTING INTO VEHICLE WHEN AIR CONDITIONER IS BEING USED. DEALER WAS NOTIFIED AND REPLACED AIR CONDITIONER EVAPORATOR. FEEL FREE TO PROVIDE ANY FURTHER INFROMATION.*AK
WHILE DRIVING ABS LIGHT CAME ON. WHEN APPLYING BRAKES PEDAL WENT TO THE FLOOR. DEALER CONTACTED. *AK 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 SUR…
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WHILE DRIVING ABS LIGHT CAME ON. WHEN APPLYING BRAKES PEDAL WENT TO THE FLOOR. DEALER CONTACTED. *AK 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. *SCC
WHILE DRIVING VEHICLE WILL STALL/ LOSES ALL POWER. DEALER CONTACTED. *AK
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.