Complaints
1,160
Crashes
84
Fires
24
Injuries
86
Fatalities
3
Recalls
0
Worst 2003 Chevrolet Trailblazer Problems
Top 3 most-reported issues with average mileage at failure.
#1170 complaints
Electrical Faults
Avg mileage:101,704 mi
Crash-related:5
Fires:8
#282 complaints
Instrument Cluster
Avg mileage:81,270 mi
#356 complaints
Gasoline Fuel System
Avg mileage:87,519 mi
Fires:1
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All Problems by Category
Every NHTSA complaint category for the 2003 Chevrolet Trailblazer.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Electrical Faults | 170 | 5 | 8 | 101,704 mi | |
| Instrument Cluster | 82 | — | — | 81,270 mi | |
| Gasoline Fuel System | 56 | — | 1 | 87,519 mi | |
| Fuel System | 55 | 1 | 2 | 138,608 mi | |
| Airbags | 45 | 36 | — | 114,044 mi | |
| Automatic Transmission | 38 | 1 | — | 56,907 mi | |
| Headlight/Taillight Failures | 36 | — | 2 | 101,032 mi | |
| Transmission / Drivetrain | 34 | 1 | 1 | 121,088 mi | |
| Fuel System, Gasoline:Storage:Tank Assembly | 26 | — | — | 66,163 mi | |
| Engine & Cooling | 23 | 1 | — | 54,954 mi | |
| Exterior Lighting:Brake Lights | 23 | — | — | 32,227 mi | |
| Unintended Acceleration | 21 | 1 | — | 61,038 mi | |
| Engine And Engine Cooling:Cooling System:Fan | 19 | — | — | 50,467 mi | |
| Visibility:Windshield Wiper/Washer | 19 | — | — | 70,680 mi | |
| Power Train:Transfer Case (4-Wheel Drive) | 17 | 2 | — | 16,730 mi | |
| Body Structure | 16 | 2 | 1 | 113,613 mi | |
| Visibility | 16 | — | 1 | 85,382 mi | |
| Engine Problems | 15 | 1 | 1 | 128,746 mi | |
| Engine And Engine Cooling:Engine | 14 | — | — | 49,743 mi | |
| Fuel System, Gasoline:Storage:Tank Assembly:Filler Pipe And Cap | 14 | — | — | 16,674 mi | |
| Structural Problems | 14 | — | 1 | 34,825 mi | |
| Equipment:Appliance:Air Conditioner | 13 | — | — | 21,090 mi | |
| Fuel Pump | 12 | — | — | 81,888 mi | |
| Suspension Failures | 12 | 1 | — | 134,143 mi | |
| Steering Defects | 11 | 1 | — | 94,200 mi | |
| Suspension:Front | 11 | 1 | — | 41,522 mi | |
| Electrical System:Ignition:Switch | 10 | — | — | 62,700 mi | |
| Hydraulic Brakes | 10 | 2 | — | 33,040 mi | |
| Air Bags:Frontal | 9 | 8 | — | 53,800 mi |
Electrical Faults
170
complaints
Crashes
5
Fires
8
Avg Miles
101,704
Instrument Cluster
82
complaints
Crashes
—
Fires
—
Avg Miles
81,270
Gasoline Fuel System
56
complaints
Crashes
—
Fires
1
Avg Miles
87,519
Fuel System
55
complaints
Crashes
1
Fires
2
Avg Miles
138,608
Airbags
45
complaints
Crashes
36
Fires
—
Avg Miles
114,044
Automatic Transmission
38
complaints
Crashes
1
Fires
—
Avg Miles
56,907
Headlight/Taillight Failures
36
complaints
Crashes
—
Fires
2
Avg Miles
101,032
Transmission / Drivetrain
34
complaints
Crashes
1
Fires
1
Avg Miles
121,088
Fuel System, Gasoline:Storage:Tank Assembly
26
complaints
Crashes
—
Fires
—
Avg Miles
66,163
Engine & Cooling
23
complaints
Crashes
1
Fires
—
Avg Miles
54,954
Exterior Lighting:Brake Lights
23
complaints
Crashes
—
Fires
—
Avg Miles
32,227
Unintended Acceleration
21
complaints
Crashes
1
Fires
—
Avg Miles
61,038
Engine And Engine Cooling:Cooling System:Fan
19
complaints
Crashes
—
Fires
—
Avg Miles
50,467
Visibility:Windshield Wiper/Washer
19
complaints
Crashes
—
Fires
—
Avg Miles
70,680
Power Train:Transfer Case (4-Wheel Drive)
17
complaints
Crashes
2
Fires
—
Avg Miles
16,730
Body Structure
16
complaints
Crashes
2
Fires
1
Avg Miles
113,613
Visibility
16
complaints
Crashes
—
Fires
1
Avg Miles
85,382
Engine Problems
15
complaints
Crashes
1
Fires
1
Avg Miles
128,746
Engine And Engine Cooling:Engine
14
complaints
Crashes
—
Fires
—
Avg Miles
49,743
Fuel System, Gasoline:Storage:Tank Assembly:Filler Pipe And Cap
14
complaints
Crashes
—
Fires
—
Avg Miles
16,674
Structural Problems
14
complaints
Crashes
—
Fires
1
Avg Miles
34,825
Equipment:Appliance:Air Conditioner
13
complaints
Crashes
—
Fires
—
Avg Miles
21,090
Fuel Pump
12
complaints
Crashes
—
Fires
—
Avg Miles
81,888
Suspension Failures
12
complaints
Crashes
1
Fires
—
Avg Miles
134,143
Steering Defects
11
complaints
Crashes
1
Fires
—
Avg Miles
94,200
Suspension:Front
11
complaints
Crashes
1
Fires
—
Avg Miles
41,522
Electrical System:Ignition:Switch
10
complaints
Crashes
—
Fires
—
Avg Miles
62,700
Hydraulic Brakes
10
complaints
Crashes
2
Fires
—
Avg Miles
33,040
Air Bags:Frontal
9
complaints
Crashes
8
Fires
—
Avg Miles
53,800
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2003 Chevrolet Trailblazer. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other Chevrolet Trailblazer Years
2003 Chevrolet Trailblazer — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2003 Chevrolet Trailblazer reliable?
Verdict: High Complaint Volume. The 2003 Chevrolet Trailblazer has 1,160 NHTSA complaints, 84 crash-related, and 0 recall campaigns. The most common issue is Electrical Faults with 170 complaints. Source: NHTSA via VinItel.
What are common problems with the 2003 Chevrolet Trailblazer?
Top reported problems: Electrical Faults (170 complaints, avg 101,704 mi); Instrument Cluster (82 complaints, avg 81,270 mi); Gasoline Fuel System (56 complaints, avg 87,519 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2003 Chevrolet Trailblazer?
The weighted average mileage at time of complaint is about 84,963 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2003 Chevrolet Trailblazer?
NHTSA complaints for the 2003 Chevrolet Trailblazer include 84 crash-related reports, 24 fire reports, 86 injuries, and 3 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2003 Chevrolet Trailblazer have any recalls?
No NHTSA recall campaigns have been issued for the 2003 Chevrolet Trailblazer as of the latest data sync. Verify by VIN for the most current status — new recalls can be issued years after a model year ships.
Should I buy a 2003 Chevrolet Trailblazer?
This year has a higher-than-normal complaint volume. It's not an automatic no, but focus inspection on the top reported issue (electrical faults) and verify open recalls have been addressed.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Chevrolet Trailblazer reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2003 Chevrolet Trailblazer
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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