2004 Chevrolet Trailblazer problems, complaints & recalls
Most-reported problem areas: Electrical System (289) · Electrical System: Instrument Cluster/Panel (224) · Fuel System, Gasoline (63)
🧭 Reliability snapshot
Compared against other Chevrolet Trailblazer model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
895 NHTSA complaints that reported an odometer reading.
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (701)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2025-07-18 · PIP5601C · Service Bulletin/Repair Instructions
this pi communicates the requirement to provide a pico file to receive diagnostic assistance from tac.
Unknown Or Other 2025-02-20 · PIP5358D · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. technician should get record a sound clip or take a video of the noise for assessment by engineering. technician will need to
Electrical System 2024-10-25 · PIP4723J · Service Bulletin/Repair Instructions
this preliminary information communicates to the dealer the process for downloading or updating operating software for the tire pressure monitor, active fuel injector tester, multi media tester, pico scope, gr8 starting/charging tester and vehicle data recorder tools, giving website address and ste
Unknown Or Other 2024-09-12 · PIT5099H · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about vehicles that the heater-vent-air conditioning blows warm air. before calling general motors technical assistance center technician will need to have high and low pressures, outside temperature, humidity, and ven
Unknown Or Other 2024-09-12 · PIT5099H · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about vehicles that the heater-vent-air conditioning blows warm air. before calling general motors technical assistance center technician will need to have high and low pressures, outside temperature, humidity, and ven
Unknown Or Other 2024-09-06 · PIT3271P · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about changing the tire and wheel size on vehicles. general motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. technician s
Showing the 6 most recent of 701 bulletins. Search all of them free at nhtsa.gov.
What owners report
2025-08-09 · Air Bags · 💥 crash“i was driving and a girl pulled out from a stop sign and hit my passenger side front of my trailblazer. her airbags deployed immediately, meanwhile mine didn't deploy. my husband saved my face by throwing his arm over me! …”
2022-09-08 · Exterior Lighting:headlights · 189,000 mi“the contact owns a 2004 chevrolet trailblazer. the contact stated while driving at various speeds, the headlights became inoperable. after a while, the headlights became operational. there were no warning lights illuminated. the local dealer was not contacted. the vehicle was not diagnosed or repaired. the manufacturer was not contacted. the approx…”
2022-01-06 · Firerelated · 153,000 mi · 🔥 fire“the contact owned a 2004 chevrolet trailblazer. the contact stated that while driving at an undisclosed speed, there was smoke coming from the rear passenger side. the contact pulled over and noticed that underneath the rear passenger's seat had caught fire. the fire department was able to extinguish the fire. the contact sustained burns to his lef…”
2022-01-06 · Power Train“electronic throttle body? no throttle control, motor will only idle, turn ignition switch off, then restart it will run. reduced engine power light comes on. happens for no apparent reason. very unsafe situation.…”
2021-12-06 · Tires · 89,000 mi“the contact owns a 2004 chevrolet trailblazer equipped with hankook tires model:dynapro ht tire size: p245/70r16 dot number:unknown. the contact stated that she had both rear tires, driver side and passenger side, replaced with the hankook tires by an independent mechanic. after the instillation, the contact stated that the vehicle would shake whil…”
2021-01-05 · Exterior Lighting“my clusterboard is completely non functioning the readings are not working…”
2020-08-18 · Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap · 126,432 mi“tl* the contact owns a 2004 chevrolet trailblazer. the contact stated the he noticed a fuel odor emitting from underneath the driver's side of the vehicle. the contact also stated that the fuel mileage had also decreased when driving the vehicle. the contact took the vehicle to have an evap smoke test performed on his vehicle. the result of the tes…”
2020-06-08 · Vehicle Speed Control“transmission slipping and the heater circuit. *tr…”
2020-06-06 · Fuel/Propulsion System · 176,000 mi“as you come to a complete stop or go under 5 mph, the vehicle's oil gauge will go all the way down. once you accelerate, the oil gauge goes back to normal. when pumping gas into the vehicle, the gas pump will reset as if the gas tank is full but the gauge shows it's half empty. *tr…”
2020-02-10 · Electrical System · 80,000 mi“most of the gauges are very erratic when in motion or stopped. tachometer jumps around, oil pressure reads all over, speedometer goes to zero or full scale, amp meter drops below 14 and lights dim when this happens, (have had the alternator replaced 3 times, this is quite a safety concern for me as i have no idea what to believe on any of the gaug…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.