2003 Chevrolet Trailblazer 360 problems, complaints & recalls
Most-reported problem areas: Electrical System (3) · Air Bags (2) · Visibility:power Window Devices And Controls (1)
🧭 Reliability snapshot
Compared against other Chevrolet Trailblazer 360 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (79)
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 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
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
Power Train 2024-07-24 · 24-NA-141 · Service Bulletin/Repair Instructions
gm is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. the damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. this bulletin advises the dealers to be more careful not to damage the transmissions durin
Fuel/Propulsion System 2024-06-28 · 16-NA-383 · Service Bulletin/Repair Instructions
this service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, crank no start, extended crank or misfire, mil with dtcs, and explains how top tier fuels should be used to reduce carbon build-up.
Unknown Or Other 2024-06-17 · 18-NA-099 · Service Bulletin/Repair Instructions
this bulletin provides information for use on a product assistance claim (pac), which is formerly known as a product allegation resolution (par) claim.
Showing the 6 most recent of 79 bulletins. Search all of them free at nhtsa.gov.
What owners report
2019-05-03 · Exterior Lighting“takata recall" tail lights not working any more out new lightbulbs in an a week later stop working again…”
2016-03-23 · Fuel/Propulsion System · 192,385 mi“tl* the contact owns a 2003 chevrolet trailblazer 360. the contact observed a puddle of fuel under the rear of the vehicle. the vehicle was not diagnosed nor repaired. the manufacturer was not notified of the failure. the failure mileage was approximately 192,385. …”
2015-11-03 · Electrical System · 150,000 mi“tl* the contact owns a 2003 chevrolet trailblazer 360. while driving at any speed, the instrument panel remained illuminated and flashed different warnings for several hours until the engine was turned off. the contact stated that the failure recurred several times for approximately three years. the vehicle was taken to a local dealer where it was …”
2015-09-24 · Air Bags · 58,945 mi“tl* the contact owns a 2003 chevrolet trailblazer 360. while driving approximately 45 mph, the air bag warning indicator illuminated. the failure recurred on one occasion. the vehicle was taken to the dealer where it was diagnosed that the a sir coil needed to be placed behind the steering wheel. the vehicle was repaired. the manufacturer was made …”
2015-09-09 · Air Bags · 122,000 mi · 💥 crash“tl* the contact owns a 2003 chevrolet trailblazer 360. the contact stated that another vehicle failed to stop at a stop sign and crashed into the contact's vehicle. the air bags did not deploy. the vehicle was taken to an independent mechanic where the body damages were repaired but the failure was not determined. the contact sustained whiplash, ne…”
2015-01-01 · Electrical System · 140,000 mi“shut off vehicle , got out of drivers side. shut door and as i closed door all my locks on door locked down. my grandaughter was strapped into a car seat in the back seat and we were unable to open doors to get her out. we had to contact police and they were unable to get doors to unlock. the locks would not work the windows would not work , the c…”
2014-10-30 · Fuel System, Other · 63,000 mi“communicated to gm help center 10/30/2014: my 2003 chevy trail blazer has a strong odor of gas in the rear. the vehicle has only 63,000 miles and has been well maintained. i "googled" the problem and found it to be a known issue. in part: nhtsa #: pe07014 "in june 2007, gm will expand its special policy to address fuel tank inlet check valve (i…”
2014-03-08 · Electrical System · 100,000 mi“instrument front panel no longer operates. all gauges do not operate (speedometer, oil, gas. temp...). *tr…”
2013-06-15 · Suspension · 70,000 mi“frame holding front suspension rusted. *tr…”
2012-02-14 · Visibility:power Window Devices And Controls · 🔥 fire“power window control on the passenger door started on fire and melted some of the door panel and window control module and wiring harness. the vehicle has the heated seat buttons on the window control module. (p/n 15096223). the vehicle had been parked in front of the house (no keys in ignition) when the window started going up and down by itself …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.