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#BS-2002-CHETRA-52BA

2002 Chevrolet TrailblazerProblems, Recalls & Reliability

Based on reports from 1,573 owners and 13 recalls for this exact model.

Data updated ·checked October 21, 2026 · NHTSA complaints through October 19, 2026

Complaints
1,573
Crashes
152
Fires
52
Recalls
13
TSBs
641
🛑

Preliminary Verdict

Red Flag

Based on 1,573 complaints, 152 crashes, 52 fires, and 13 recalls. Complaint rate is 3.6x the class average. This is the worst model year for this vehicle.

See full verdict with buy/skip conditions

Top reported problems

1

transmission failure 4l60e

44 complaints • Severity 9.2/10

$X,XXX
2

fan switch doesnt work on all settings

13 complaints • Severity 7.7/10

$X,XXX
3

control panel gauges malfunction

10 complaints • Severity 8/10

$X,XXX
4

ac heater does not work

9 complaints • Severity 6/10

$X,XXX
5

low beam headlights go out intermittently

7 complaints • Severity 9.4/10

$X,XXX

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Mechanic Inspection Checklist

!Check the Power Train:automatic TransmissionHIGH

163 owners reported power train:automatic transmission issues — failures commonly reported around 63K miles.

!Inspect the ElectricalMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

228
0–30K
244
30–60K
229
60–90K
125
90–120K
77
120–150K
101
150K+

Peak failure range: 30–60K miles (244 reports) • Median: 63K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Power Train:automatic Transmission (163 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Power Train:automatic Transmission163 (10%)
Electrical120 (8%)
Fuel System77 (5%)
Power Train:transfer Case (4-wheel Drive)68 (4%)
Airbags65 (4%)
Exterior Lighting:brake Lights65 (4%)
Drivetrain47 (3%)
Engine And Engine Cooling:engine44 (3%)

2002 Chevrolet Trailblazer: Known Issues & Problem Areas

Power Train:automatic Transmission Issues

Power Train:automatic Transmission complaints account for 10% of all reports filed for the 2002 Chevrolet Trailblazer, with 163 owners filing complaints with NHTSA. The median mileage at time of complaint is 63,000 miles, suggesting issues tend to surface around the 63K-mile mark.

Electrical Issues

Electrical complaints account for 8% of all reports filed for the 2002 Chevrolet Trailblazer, with 120 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.

Fuel System Issues

Fuel System complaints account for 5% of all reports filed for the 2002 Chevrolet Trailblazer, with 77 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.

Power Train:transfer Case (4-wheel Drive) Issues

Power Train:transfer Case (4-wheel Drive) complaints account for 4% of all reports filed for the 2002 Chevrolet Trailblazer, with 68 owners filing complaints with NHTSA. Owners should pay attention to power train:transfer case (4-wheel drive)-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

11
01
145
02
266
03
200
04
183
05
105
06
133
07
93
08
69
09
64
10
57
11
30
12
28
13
55
14
41
15
29
16
22
17
13
18
13
19
3
20
8
21
2
22
3
25

Complaints filed with NHTSA by year for the 2002 Chevrolet Trailblazer. Recent trend: increasing.

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Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (13 recalls)

01V126000Apr 2001

SUSPENSION:FRONT:CONTROL ARM:LOWER ARM

VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES. UNDER CERTAIN CIRCUMSTANCES THE FRONT LOWER CONTROL ARM BRACKETS MAY FRACTURE. THIS FRACTURE COULD RESULT IN SEPARATION OF THE FRONT LOWER CONTROL ARM FROM THE FRAME.

01V283000Sep 2001

POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES (4 WHEEL-DRIVE). SOME OF THESE VEHICLES WERE BUILT WITH A RANGE SHIFT COLLAR IN THE TRANSMISSION TRANSFER CASE THAT CONTAINS CRACKS.

01V334000Nov 2001

POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES EQUIPPED WITH 4-WHEEL DRIVE. THE CALIBRATION OF THE TRANSFER CASE CONTROL MODULE COULD CAUSE INSUFFICIENT HIGH SPEED GEAR ENGAGEMENT.

02V121000Sep 2002

FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

ON CERTAIN SPORT UTILITY VEHICLES, A FUEL FILTER FITTING CAN BECOME DISCONNECTED. IF THIS WERE TO OCCUR WHILE ATTEMPTING TO START THE ENGINE, A NO-START CONDITION WOULD RESULT AND FUEL WOULD BE PUMPED OUT THE FUEL FILTER ONTO THE GROUND.

02V222000Aug 2002

AIR BAGS:FRONTAL

CERTAIN PASSENGER, MINI VANS, AND SPORT UTILITY VEHICLES HAVE AN AIR BAG INFLATOR ON THE DRIVER'S SIDE THAT COULD FRACTURE AT A WELD DURING A DEPLOYMENT.

+ 8 more recalls in the full report

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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NHTSA Defect Investigations (10)

All closed. Investigations are how NHTSA decides whether a defect needs a recall.

EA04002ClosedOpened Jan 2004 · closed Feb 2004

WINDSHIELD WIPER FAILURE

VISIBILITY:WINDSHIELD WIPER/WASHER

EA04021ClosedOpened Aug 2004 · closed Nov 2004

BRAKE LAMP FAILURE

EXTERIOR LIGHTING:BRAKE LIGHTS

EA07009ClosedOpened Jul 2007 · closed Aug 2008

FUEL PUMP MODULE LEAKS GASOLINE

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

PE02036ClosedOpened Mar 2002 · closed Oct 2002

PINCHER/CHAFED WIRING

STEERING

PE02093ClosedOpened Dec 2002 · closed Apr 2003

2002 TRAILBLAZER/ENVOY FUEL TANK LEAKS

FUEL SYSTEM, GASOLINE:STORAGE

+ 5 more in the full report

This is the worst model year for the Chevrolet Trailblazer according to owner complaint data. The biggest problem area is accessories - interior.

2002 Chevrolet Trailblazer vs. Class Average (Sport Utility Vehicle - 2WD)

This vehicle

1,573

Class avg

432

3.6x the class average — significantly more complaints than typical sport utility vehicle - 2wd vehicles.

Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 1,573 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 13 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Last updated (checked October 21, 2026). NHTSA complaints received through October 19, 2026.

Other Chevrolet Trailblazer Model Years

20262025202420232022202120092008200720062005200420032002200120001999
View all Chevrolet Trailblazer years →

2002 Chevrolet Trailblazer: Frequently Asked Questions

What is the most common problem with the 2002 Chevrolet Trailblazer?
The most commonly reported issue with the 2002 Chevrolet Trailblazer is related to the power train:automatic transmission, with 163 complaints filed with NHTSA.
Is the 2002 Chevrolet Trailblazer reliable?
The 2002 Chevrolet Trailblazer has 1,573 complaints, 152 crash reports, and 52 fire reports filed with NHTSA. This is 3.6x the class average — higher than typical for its segment.
How much does it cost to fix 2002 Chevrolet Trailblazer problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 2002 Chevrolet Trailblazer have any recalls?
Yes, the 2002 Chevrolet Trailblazer has 13 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Chevrolet Trailblazer problems start?
Based on 1004 complaints with mileage data, the median mileage at time of complaint is 63,000 miles. The highest concentration of reported issues occurs in the 30–60K mile range. The full report breaks down exactly which components fail at each mileage bracket.
When was the 2002 Chevrolet Trailblazer data last updated?
BumperScan last checked this vehicle against NHTSA on October 21, 2026, covering owner complaints received through October 19, 2026 plus the latest recalls, investigations and technical service bulletins. Its numbers last changed on October 4, 2026.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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10 sections of AI analysis based on 1,573 owner reports. Know before you buy.

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