2003 Chevrolet Trailblazer
This year had 30% to 100% more complaints than this model's typical year.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
- Complaints
- 901
- Recalls
- 8
- Investigations
- 8
- Top problem
- Electrical system
Campaigns on file for 2003
Opened by NHTSA
32% of complaints
Complaints per year
2003: 901 complaints
View as data table
| Year | Complaints |
|---|---|
| 1999 | 4 |
| 2000 | 26 |
| 2001 | 20 |
| 2002 | 1,149 |
| 2003 | 901 |
| 2004 | 1,081 |
| 2005 | 1,466 |
| 2006 | 1,107 |
| 2007 | 732 |
| 2008 | 193 |
| 2009 | 27 |
| 2014 | 1 |
| 2021 | 195 |
| 2022 | 110 |
| 2023 | 71 |
| 2024 | 32 |
| 2025 | 24 |
| 2026 | 10 |
Known problem areas
Percentages can add to more than 100% — a complaint can name more than one system.
Electrical system
32% · 290 reportsMost commonly citing instrument cluster/panel and switch.
Show complaint excerpts
The lights melt the harnesses in the front lights frequently. More than 2 times a year the tail light neef constant replacement from faulty wiring. The wires are not big enougb to handle the load.
NHTSA ODI report, 2018-04-02
Also filed under Exterior lighting
Fuel system, gasoline
13% · 119 reportsMost commonly citing tank assembly and filler pipe and cap.
Power train
12% · 110 reportsMost commonly citing automatic transmission and transfer case (4-wheel drive).
Show complaint excerpts
Was making a lane change on perfect road conditions when the back end of the Trailblazer started shaking uncontrollably. Veered into the median and was about to drive into on coming traffic.
NHTSA ODI report, 2012-11-28
Also filed under Suspension
Transmission locks up, 4 wd lights move on its own, this has happened 4 times since I have owned this car, I requested that I do not want this car back, but they insist they fixed the problem, now with my children 2 and 16 years in the car the 4WD...
NHTSA ODI report, 2003-02-03
Also filed under Equipment
Exterior lighting
9% · 82 reportsMost commonly citing brake lights and headlights.
Visibility
8% · 68 reportsMost commonly citing windshield wiper/washer and motor.
Safety timeline
8 recalls · 8 investigations · oldest first
To check one car, enter its VIN on the NHTSA recall page. Check a VIN →
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2002-08-15Air bags02V222000 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.
Remedy: Dealers will inspect, and replace, if necessary, the air bag module assembly on the driver's side. Owner notification began August 15, 2002. Owners who take their vehicles to an authorized dealer…
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2003Complaint volume 901 complaints filed for this model year.
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2003-03-11Air bags03V051000 On certain mini vans, passenger and sport utility vehicles, some of these vehicles have a driver's side air bag that may not deploy as designed. In addition, the air bag inflator could rupture.
Remedy: Dealers will inspect, and if necessary, install a new driver's air bag. Owner notification began on March 11, 2003. Owners who take their vehicles to an authorized dealer on an agreed upon…
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2003-05-29Power train03V075000 Certain sport utility vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard No. 114, "Theft protection." These vehicles are equipped with a mechanical override that…
Remedy: Dealers will eliminate these conditions by disabling the overrides. Owner notification began on May 29, 2003. Owners who take their vehicles to an authorized dealer on an agreed upon service date…
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2003-05-29Service brakes, hydraulic03V151000 Certain sport utility vehicles were built with a left-front brake pipe with a circumferential score at a random location along the length of the pipe as the result of the manufacturing process. If…
Remedy: Dealers will replace the left-front brake pipe. Owner notification began on May 29, 2003. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive…
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2003-08-20Equipment03V250000 Certain minivans, passenger and sport utility vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard No. 225, "Child restraint anchorage system." The owner's manual…
Remedy: Owners will be provided with a supplement for their owner's manual. This supplement describes and shows the location symbols for the child restraint anchors that are located in the vehicle and on…
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2003-09-17Preliminary evaluationClosed 2004-01-06 Windshield wiper failure
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2004-01-05Preliminary evaluationClosed 2004-05-07 Fuel spillage during refueling
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2004-01-06Engineering analysisClosed 2004-02-10 Windshield wiper failure
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2004-04-06Preliminary evaluationClosed 2004-08-03 Brake lamp failure
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2004-07-06Visibility04V046000 Certain sport utility vehicles have windshield wiper systems that will not turn on, cease operation while in use, fail to turn off/on by themselves (Moisture sensitive wiper system), or have…
Remedy: Dealers will cover the windshield wiper module vent hole with a patch. Also, the wiper motor, circuit board, and electrical connector will be inspected to signs of water intrusion and/or corrosion…
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2004-08-03Engineering analysisClosed 2004-11-04 Brake lamp failure
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2004-11-22Exterior lighting04V527000 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.
Remedy: Dealers will inspect the tail lamp/stop lamp assemblies, and if necessary, replace them. The recall began on November 22, 2004. Owners should contact Chevrolet at 1-800-630-2438, oldsmobile at…
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2005-08-04Exterior lighting05V198000 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…
Remedy: Dealers will replace the suspect flasher modules with a new flasher module designed with sealed relays and more durable contact material inside of the relays free of charge. The recall began on…
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2007-03-12Preliminary evaluationClosed 2007-07-10 Fuel pump module leaks gasoline
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2007-07-10Engineering analysisClosed 2008-08-28 Fuel pump module leaks gasoline
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2017-04-24Recall queryClosed 2021-03-29 Loss of Headlights
Buy-smart checklist
2003 Chevrolet Trailblazer — pre-purchase inspection
Inspect
- Electrical system: 290 reports on file for this year.
- Fuel system, gasoline: 119 reports on file for this year.
- Power train: 110 reports on file for this year.
Verify these recalls were completed
- Recall 02V222000 · Air bags
- Recall 03V051000 · Air bags
- Recall 03V075000 · Power train
- Recall 03V151000 · Service brakes, hydraulic
- Recall 03V250000 · Equipment
- Recall 04V046000 · Visibility
- Recall 04V527000 · Exterior lighting
- Recall 05V198000 · Exterior lighting
Other years of this model
See all years ranked →FAQ
- Is the 2003 Chevrolet Trailblazer reliable?
- Based on NHTSA complaint volume compared to this model's typical year, the 2003 Chevrolet Trailblazer is rated "worse than typical".
- What are the most common problems with the 2003 Chevrolet Trailblazer?
- The most-reported component is electrical system, accounting for 32% of complaints on file.
- How many recalls does the 2003 Chevrolet Trailblazer have?
- 8 recalls on file for this model year.
Data updated 2026-10-09 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.