2002 Chevrolet Trailblazer problems, complaints & recalls
Most-reported problem areas: Power Train:automatic Transmission (145) · Power Train:transfer Case (4-Wheel Drive) (59) · Electrical System (56)
🧭 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
761 NHTSA complaints that reported an odometer reading.
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (641)
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
Electrical System 2024-08-26 · General Communication · Service Campaign
vehicle wide programming (vwp) is a new process to update software on gm vehicles. it provides the ability via a single selection within techline connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). the updating of modules is com
Showing the 6 most recent of 641 bulletins. Search all of them free at nhtsa.gov.
What owners report
2025-03-21 · Wheels · 💥 crash“i was driving on the highway going 65mph which is the legal speed limit. i got cut off by a driver and light tapped my brakes to slow the vehicle down. when i did so the vehicle then swerved to the left and started drifting sideways directly to a wall. i went head on with the wall. then i bounced back across all lanes of traffic again still sideway…”
2022-08-31 · Vehicle Speed Control“the car rmp goes high when accelerating it's a common problem with the cooling fan which the company is aware of it but aren't held reliable! it's a shame that nhtsa hade many complaining about the issue but aren't holding the manufacturer responsible this could of hade me and my family in an accident!…”
2021-12-05 · Air Bags“airbag on drivers side deployed from the drivers seat without being hit. opened my car door and the bag was deployed. car was parked in my driveway. …”
2021-07-13 · Air Bags · 💥 crash“the contact owned a 2002 chevrolet trailblazer. the contact stated that while driving 40 mph and not noticed that the vehicles ahead were stopped at a traffic light, causing him to crash into the vehicles in front. the air bags failed to deploy. a police report was filed. the vehicle was towed and totaled. the contact received chest and head injuri…”
2021-05-04 · Exterior Lighting · 247,000 mi“tl* the contact owns a 2002 chevrolet trailblazer. the contact stated that while driving at various speeds with air conditioner activated, the vehicle stalled with the check engine warning light illuminated. the contact had replaced the crankshaft solenoid which he believed repaired the issue. soon after the initial repair, the contact stated that …”
2021-04-22 · Electrical System“2002 chevrolet trailblazer. numerous problems associated with car. windows don't come down, doors don't unlock, and other issues. *ld *js…”
2021-03-11 · Electrical System · 5 mi · 🔥 fire“caught in fire dont know why but the wire got fire…”
2021-02-16 · Unknown Or Other“my key gets stuck in my ignition repeatedly for the last two weeks. and now i have to leave my key in the ignition and the battery will die.…”
2020-05-11 · Structure:body · 118,000 mi“tl* the contact owns a 2002 chevrolet trailblazer. the contact stated that while driving at an unknown speed, the vehicle vibrated abnormally. the contact drove to his destination and inspected the vehicle. the contact became aware that the chassis was extremely rusted and had started to separate from the subframe. the vehicle was not taken to a d…”
2020-02-12 · Suspension · 190,000 mi“tl* the contact owns a 2002 chevrolet trailblazer. while attempting to reverse out of the driveway, the contact heard a squeaky noise emerging from the front driver's side of the vehicle. the vehicle was taken to an independent mechanic where it was diagnosed that the lower driver's side control arm fractured and needed to be replaced. the contact …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.