Everything NHTSA's vPIC database knows about this exact vehicle:
Decoding from NHTSA…
Vehicle history — accidents, title & owners
The decode above is what this vehicle is. For what it's been through — accidents, title brands, odometer, theft/total-loss and previous owners — pull a full history report.
NHTSA publishes the first 11 characters of the VIN with every complaint — that identifies the plant, model year, body and engine. So these are reports from cars built exactly like this one, not an average across the whole model.
1GNDS13SX42••••••2004 Chevrolet TRAILBLAZER EXT
This build draws 4.6× more complaints than the average 2004 Chevrolet TRAILBLAZER EXT build (21 vs 5).
21on this build
190on the model
42builds in total
Most reportedElectrical System 10Exterior Lighting 4Fuel System 3Gasoline 3
What owners of this build wrote
Fuel/propulsion SystemNov 2015
Gm issued special coverage program 14423 to repair leaking gas tank and there are no pairs available. Letter was issued in nov 2015, received dec 2015, went to love chevrolet dealership jan 2016 parts not available until july 2016. This is unsafe and unacceptable
Fuel SystemFeb 2011
Chevrolet trailblazer has check engine light on. I can smell gas when vehicle is in garage. Looked underneath and found a crack in the fuel tank filler hose flange. Called chevy and found there is a service bulletin, #05012 and TSB 07076. Chevrolet told me the same problem has…
Electrical SystemOct 2010
Oil pressure gauge became unreliable and had different reading each time the car was driven. Most recently the gauge needle moves past the upper limits of the gauge and points straight down at the fuel gauge. Two days ago, the speedometer began acting in the same erratic manner…
StructureMay 2010
The contact owns a 2004 chevrolet trailblazer. The contact stated while driving at unknown speeds he experienced a blow out and contacted roadside assistance for help. When roadside assistance arrived, they were unable to remove the spare tire from the vehicle frame due to rust…
SteeringMar 2009
Instrument cluster failure on 2004 chevrolet trailblazer. Oil pressure and amps gauge malfunction. Mechanic quoted price $650 to replace cluster. Emissions failure paid dealer approximately $375 to replace emissions pump. Air conditioning mode motor actuator out; blower doesn't…
Read all 21 complaints on this exact buildFull text, search by keyword, and the systems that fail most on cars built like yours.Unlock with Pro →
Owner complaints…
Now the whole model — all 42 builds of it, not just this build. Same NHTSA reports, wider net:
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Exact value for this VIN, adjusted for mileage
The original window sticker and factory options
Full research report as a PDF you can hand to a mechanic
Decoded via NHTSA vPIC. Recalls, complaints and safety from NHTSA; MPG from EPA fueleconomy.gov. Full history reports from our partner. VIN 1GNDS13SX42180541 · decoded Sep 2026. — ForCar Reviewed by Denis Kataev, founder of ForCar.