Component Record

Chevrolet Trailblazer 2003 Power Train Problems

110 distinct owners reported a power train problem on the 2003 Chevrolet Trailblazer - 12% of all complaints for this model year.

Recall Coverage110 complaints

110 complaints; 1 recall campaign covers this system.

Campaigns Covering This System

03V075000Reported March 6, 2003 - 511,167 vehicles potentially affected

Recall covering the power train system, reported to NHTSA on March 6, 2003. The campaign covers an estimated 511,167 vehicles across all affected models.

Other Systems on This Model Year

Electrical System290 Fuel and Propulsion System188 Lighting83 Engine81 Visibility74 Air Bags59

How to Read These Counts: complaint counts are owner reports to NHTSA, not failure rates. Older and higher-volume vehicles accumulate more reports, and counts are not adjusted for vehicles sold - no per-sales rate or reliability ranking is shown, because the public data does not support one.

Data as of October 30, 2026. Sources: NHTSA Office of Defects Investigation complaints, recalls, and investigations files (U.S. Government public domain). DefectRecord is not affiliated with NHTSA or any manufacturer. For your specific vehicle, use NHTSA's VIN lookup. Report an error.