Reliability & 5-year cost of ownership — 2003 Chevrolet Trailblazer
NHTSA data on file today
The 2003 Chevrolet Trailblazer has 8 NHTSA recall campaigns and 914 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
Recall campaigns on file
- NHTSA #05V198000 TURN SIGNAL FAILURE NHTSA notice
- NHTSA #04V527000 GM/BRAKE LAMP FAILURE NHTSA notice
- NHTSA #04V046000 GM/WINDSHIELD WIPER ASSEMBLY NHTSA notice
- NHTSA #03V250000 GM/FMVSS 225/OWNER'S MANUAL INFORMATION NHTSA notice
- NHTSA #03V151000 GM/BRAKE PIPE NHTSA notice
- NHTSA #03V075000 GM/FMVSS 114/MECHANICAL OVERRIDE NHTSA notice
- NHTSA #03V051000 GM/DRIVER'S AIR BAG NHTSA notice
- NHTSA #02V222000 GM/AIR BAG INFLATOR NHTSA notice
Most-cited components in owner complaints
- Electrical System 289 complaints
- Fuel System, Gasoline 118 complaints
- Power Train 106 complaints
- Exterior Lighting 81 complaints
- Engine and Engine Cooling 67 complaints
- Visibility 65 complaints
Of the 914 complaints on file, 68 report a crash and 14 a fire; across all 914 complaints, owners report 66 injuries and 2 deaths (owner-reported, not verified by NHTSA).
Below average
Estimated 5-year repair + maintenance cost: $4,500–$8,000AI estimate — not from NHTSA data
The 2003 Chevrolet Trailblazer has a significant number of owner complaints and recall campaigns, pointing to below-average reliability. With over 900 complaints and 8 recall campaigns, common issues involve the electrical system, exterior lighting, and powertrain. Due to the frequent issues reported, potential buyers should be cautious. Evidence strongly supports recurring problems, although exact failure mileages are uncertain.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| Electrical system | Unknown | $300–$1,200 | very common |
| Fuel system | Unknown | $200–$900 | common |
| Power train | Unknown | $400–$2,500 | common |
| Exterior lighting | Unknown | $100–$400 | occasional |
AI estimate — not from NHTSA data: the mileage bands and repair-cost ranges above. Get a written repair quote before you budget.
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake pads and rotors replacement
- Transmission fluid change
- Tire rotations and replacements
- Coolant flush
- Battery replacement
- Spark plug replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Electrical issues in dashboard
- Frequent fuel odor or leaks
- Transmission slipping or harsh shifts
- Unresponsive or flickering exterior lights
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2003 Chevrolet Trailblazer at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.