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#BS-2004-CHETRA-52BA

2004 Chevrolet Trailblazer

Based on reports from 1,000 owners and 2 recalls for this exact model.

Complaints
1,000
Crashes
51
Fires
33
Recalls
2
TSBs
701
🛑

Preliminary Verdict

Red Flag

Based on 1,000 complaints, 51 crashes, 33 fires, and 2 recalls. Complaint rate is 2.7x the class average.

See full verdict with buy/skip conditions

Top reported problems

1

gauges fluctuate

82 complaints • Severity 8.1/10

$X,XXX
2

instrument panel cluster stopped working

64 complaints • Severity 8.8/10

$X,XXX
3

engine light stays on

13 complaints • Severity 7.7/10

$X,XXX

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Mechanic Inspection Checklist

!Check the ElectricalHIGH

290 owners reported electrical issues — failures commonly reported around 67K miles.

!Inspect the Electrical System: Instrument Cluster/panelMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

127
0–30K
208
30–60K
245
60–90K
123
90–120K
54
120–150K
58
150K+

Peak failure range: 60–90K miles (245 reports) • Median: 67K 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: Electrical (290 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

Electrical290 (29%)
Electrical System: Instrument Cluster/panel197 (20%)
Fuel System87 (9%)
Lights55 (6%)
Engine33 (3%)
Power Train:automatic Transmission27 (3%)
Speed Control27 (3%)
Airbags23 (2%)

2004 Chevrolet Trailblazer: Known Issues & Problem Areas

Electrical Issues

Electrical complaints account for 29% of all reports filed for the 2004 Chevrolet Trailblazer, with 290 owners filing complaints with NHTSA. The median mileage at time of complaint is 66,547 miles, suggesting issues tend to surface around the 67K-mile mark.

Electrical System: Instrument Cluster/panel Issues

Electrical System: Instrument Cluster/panel complaints account for 20% of all reports filed for the 2004 Chevrolet Trailblazer, with 197 owners filing complaints with NHTSA. Owners should pay attention to electrical system: instrument cluster/panel-related symptoms during test drives and pre-purchase inspections.

Fuel System Issues

Fuel System complaints account for 9% of all reports filed for the 2004 Chevrolet Trailblazer, with 87 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.

Lights Issues

Lights complaints account for 6% of all reports filed for the 2004 Chevrolet Trailblazer, with 55 owners filing complaints with NHTSA. Owners should pay attention to lights-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

57
04
58
05
51
06
72
07
100
08
160
09
148
10
91
11
44
12
34
13
54
14
41
15
30
16
19
17
13
18
18
19
5
20
5
21

Complaints filed with NHTSA by year for the 2004 Chevrolet Trailblazer. Recent trend: stable.

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

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Recall History (2 recalls)

04V527000Nov 2004

EXTERIOR LIGHTING:BRAKE LIGHTS

ON CERTAIN SPORT UTILITY VEHICLES, VIBRATION AND HEAT MAY CAUSE THE TAIL LAMP/STOP LAMP BULB TO LOOSEN IN ITS SOCKET. IF THIS OCCURS, THE BULB MAY FLICKER AND EVENTUALLY BECOME INOPERATIVE.

05V198000Aug 2005

EXTERIOR LIGHTING:TURN SIGNAL

ON CERTAIN TRUCKS AND SPORT UTILITY VEHICLES, THE DRIVER WISHING TO SIGNAL A TURN BY MOVING THE DIRECTIONAL SIGNAL LEVER, (UP OR DOWN) MAY CAUSE THE FRONT MARKER/TURN LIGHTS AND REAR TURN LIGHTS TO FLASH IN A MANNER SIMILAR TO HAZARD WARNING, RATHER THAN FLASHING ON THE DESIRED SIDE ONLY.

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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The worst model year for the Chevrolet Trailblazer is the 2002 — worth knowing if you're cross-shopping years. The biggest problem area is accessories - interior.

2004 Chevrolet Trailblazer vs. Class Average (Sport Utility Vehicle - 2WD)

This vehicle

1,000

Class avg

375

2.7x 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. 1,000 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 2 recalls found for this vehicle.

Repair Cost Data

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

Other Chevrolet Trailblazer Model Years

2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999
View all Chevrolet Trailblazer years →

2004 Chevrolet Trailblazer: Frequently Asked Questions

What is the most common problem with the 2004 Chevrolet Trailblazer?
The most commonly reported issue with the 2004 Chevrolet Trailblazer is related to the electrical, with 290 complaints filed with NHTSA.
Is the 2004 Chevrolet Trailblazer reliable?
The 2004 Chevrolet Trailblazer has 1,000 complaints, 51 crash reports, and 33 fire reports filed with NHTSA. This is 2.7x the class average — higher than typical for its segment.
How much does it cost to fix 2004 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 2004 Chevrolet Trailblazer have any recalls?
Yes, the 2004 Chevrolet Trailblazer has 2 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 815 complaints with mileage data, the median mileage at time of complaint is 66,547 miles. The highest concentration of reported issues occurs in the 60–90K mile range. The full report breaks down exactly which components fail at each mileage bracket.
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 1,000 owner reports. Know before you buy.

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