2001 Chevrolet Trailblazer: Reliability Data

Source: NHTSA — 29 complaints
29
Total Complaints
76,531mi
Median Mileage
POWER TRAIN:AUTOMATIC TRANSMISSION
Top Issue
3
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

50,000 25th Percentile
76,531 Median Mileage
110,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

POWER TRAIN:AUTOMATIC TRANSMISSION
3
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
2
ENGINE AND ENGINE COOLING
2
POWER TRAIN
2
AIR BAGS:FRONTAL
2
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
2
STRUCTURE
1
EXTERIOR LIGHTING
1
TIRES
1
ELECTRICAL SYSTEM:12V/24V/48V BATTERY
1

Severity Assessment

3
Crashes
0
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"WHILE DRIVING VEHICLE WILL STALL/ LOSES ALL POWER. DEALER CONTACTED. *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 ..."
"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 ..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28