Print this page Notes: It would be ill-advised to blaze any trails with the 2004 Trailblazer. Its faulty fuel gauge could leave you stranded.


pretty bad
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
3,867 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2004 Chevrolet Trailblazer transmission problems

transmission problem

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2004 Chevrolet Trailblazer Owner Comments

problem #3

Aug 092006


  • miles


The vehicle has stalled out 3 times in the past month. Check engine light came on and then reduced engine power light. We could only go 10 mph. Thankfully we were in a residential area and not on the freeway. Dealership said it was a faulty accelerator position module and the PCM needed to be reprogrammed. Lucky us we are over in miles and this is not covered by the warranty.

- Oviedo, FL, USA

problem #2

Jul 192005

Trailblazer 6-cyl

  • Automatic transmission
  • 11,500 miles
The caller said that when she would be at a light the vehicle would stall. She would hit the gas pedal and the vehicle would hesitate before taking off. Engine service light came on/off. On July 25, 2005 dealer checked and reprogrammed automatic transmission control module( PCM). On July 29, 2005 dealer checked and replaced the PCM again, and on August 1, 2005 dealer replaced a 02 sensor. Dealer said they could keep and drive vehicle to see if that fixed the problem. Dealer would not give her a temporary vehicle to drive while she waited for her vehicle to be worked on. Dealer said the 02 sensor was the problem. Would not offer an extended warranty. Dealer will not give her enough money for it as a trade in.

- Fayetteville, NC, USA

problem #1

Nov 142003


  • 100 miles
On 4 separate occasions vehicle stalled. When this occurred consumer tried to restart vehicle, but it wouldn't restart. Also, keys were stuck in the ignition. As a result, battery was drained. Dealership has replaced automatic transmission shift lock control, battery fuses, programmed the calibration for the engine control module, the starter, and its relay switch.

- Howard Beach, NY, USA

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