Built from official NHTSA complaint and recall data · data through 07/14/2026
High complaint levelIts most-reported problem — Power Train:automatic Transmission — runs 2.8× the fleet median for that category across the 2391 model-years tracked on this site.
1,149Complaints
13Recalls
103Crashes
35Fires
98Injured
4Deaths
Source: U.S. NHTSA complaint & recall data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
Is this problem acknowledged?
The most-reported problem — Power Train:automatic Transmission (14.2% of complaints) — is covered by 3 NHTSA recall campaigns.
Power Train:automatic Transmission complaints here are 2.8× the median for that category across the 2391 model-years tracked on this site.
All 6 of the most-reported categories on this page are backed by a recall or open investigation.
Recalled = an NHTSA safety recall covers this category, so a free repair exists. Under investigation = NHTSA has an open probe but no recall yet. Investigation closed = NHTSA examined it and closed the probe — this is not a defect finding; where a closed probe led to a recall we name the campaign. Not available = recall or investigation data could not be confirmed for this vehicle — it is not a “no”. Categories are matched by NHTSA's top-level component. Check your VIN at nhtsa.gov/recalls.
ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN33 · 2.9%
EXTERIOR LIGHTING33 · 2.9%
Percentages are the share of the 1,149 complaints citing each component; one complaint can cite several components. “Unspecified / other” is NHTSA’s own catch-all category — we show it rather than hide it.
AN INOPERATIVE BRAKE LAMP WILL NOT CONVEY THE DRIVER'S INTENTION OF STOPPING TO DRIVERS IN FOLLOWING VEHICLES, AND AN INOPERATIVE REAR TURN SIGNAL LAMP WILL NOT CONVEY THE DRIVER'S INTENTION TO TURN TO DRIVERS IN FOLLOWING VEHICLES. BOTH OF THESE FAILURES CAN INCREASE THE RISK OF A CRASH. Recall repairs are free at authorized dealers.
PARK-IT: NO · PARK-OUTSIDE: NO · OVER-THE-AIR FIX: NO
IF THE GEAR IS NOT ENGAGED, THE VEHICLE CAN ROLL WHEN THE TRANSMISSION IS IN "PARK" AND A CRASH COULD RESULT WITHOUT WARNING. Recall repairs are free at authorized dealers.
PARK-IT: NO · PARK-OUTSIDE: NO · OVER-THE-AIR FIX: NO
WITHOUT THE AMBER REFLECTORS, THE VEHICLE WILL BE POORLY ILLUMINATED, POSSIBLY RESULTING IN A VEHICLE CRASH WITHOUT WARNING. Recall repairs are free at authorized dealers.
PARK-IT: NO · PARK-OUTSIDE: NO · OVER-THE-AIR FIX: NO
THIS CONDITION COULD RESULT IN A COMPLETE FRACTURE OF THE RANGE SHIFT COLLAR AND SUBSEQUENT LOSS OF VEHICLE FORWARD AND REVERSE GEARS, AND THE INABILITY TO MAINTAIN "PARK" POSITION. THIS INCREASES THE RISK OF A VEHICLE CRASH RESULTING FROM UNINTENDED MOVEMENT OF A PARKED VEHICLE. Recall repairs are free at authorized dealers.
PARK-IT: NO · PARK-OUTSIDE: NO · OVER-THE-AIR FIX: NO
DEPENDING ON THE OCCURRENCE AND WEATHER SITUATION, DRIVER VISIBILITY COULD BE REDUCED, WHICH COULD RESULT IN A CRASH. Recall repairs are free at authorized dealers.
PARK-IT: NO · PARK-OUTSIDE: NO · OVER-THE-AIR FIX: NO
IF THE FITTING BECOMES DISCONNECTED WHILE THE VEHICLE IS IN MOTION, THE ENGINE WOULD STOP DUE TO INADEQUATE FUEL SUPPLY AND CAUSE A LOSS OF POWER STEERING ASSIST. IF AN IGNITION SOURCE WERE PRESENT, FUEL LEAKAGE FROM A DISCONNECTED FUEL FILTER FITTING COULD RESULT IN A FIRE. Recall repairs are free at authorized dealers.
PARK-IT: NO · PARK-OUTSIDE: NO · OVER-THE-AIR FIX: NO
IN A CRASH, MISSING WELDS COULD DEGRADE PERFORMANCE OF THE THIRD ROW SEAT AND SAFETY BELT ANCHORAGE AND OCCUPANTS COULD RECEIVE GREATER INJURIES. Recall repairs are free at authorized dealers.
PARK-IT: NO · PARK-OUTSIDE: NO · OVER-THE-AIR FIX: NO
PIECES OF THE INFLATOR COULD STRIKE AND INJURE VEHICLE OCCUPANTS AND THE AIR BAG CUSHION WOULD NOT INFLATE FULLY, REDUCING THE CAPABILITY OF THE BAG TO PROTECT THE DRIVER. Recall repairs are free at authorized dealers.
PARK-IT: NO · PARK-OUTSIDE: NO · OVER-THE-AIR FIX: NO
IF THIS WERE TO OCCUR, THE SAFETY BELT MAY NOT RESTRAIN THE OCCUPANT AS INTENDED DURING A CRASH, AND COULD RESULT IN INJURY TO THE OCCUPANT. Recall repairs are free at authorized dealers.
PARK-IT: NO · PARK-OUTSIDE: NO · OVER-THE-AIR FIX: NO
Park itPark outside Specimen badges — shown on a recall card only when NHTSA sets the flag. None of the campaigns above carries either flag. Always check your own vehicle by VIN at nhtsa.gov/recalls.
What owners report
“WHEN VEHICLE IS IN PARKING WITH ENGINE ON, CONSUMER STATES VEHICLE ATTEMPTS TO ENGAGE IN ANOTHER GEAR ON ITS OWN. CONSUMER IS AFRAID TRANSMISSION MAY…”NHTSA complaint 10001311 — filed 12/20/2002 · POWER TRAIN:AUTOMATIC TRANSMISSION
“I WAS DRIVING ON INTERSTATE 80 IN 2 WHEEL DRIVE LOW AT 65MPH. THE VEHICLE BEGAN TO VIBRATE AND I LOOKED AT THE 4 WHEEL…”NHTSA complaint 770338 — filed 12/02/2002 · POWER TRAIN:AUTOMATIC TRANSMISSION
“WHILE TRAVELING ON THE HIGHWAY THE VEHICLE WILL GO INTO FOUR WHEEL DRIVE LOW. THE FOUR WHEEL DRIVE IS TO BE USE IN THE SHOWN…”NHTSA complaint 8022748 — filed 11/14/2002 · POWER TRAIN:AUTOMATIC TRANSMISSION
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Complaint trend by year filed
Frequently asked questions
What are the most common problems with the 2002 Chevrolet Trailblazer?
Power train:automatic transmission issues are the most-reported category, cited in 163 of 1,149 NHTSA complaints (14.2%), followed by electrical system (120), power train:transfer case (4-wheel drive) (68), exterior lighting:brake lights (65). Complaints are unverified owner reports.
How many complaints does the 2002 Chevrolet Trailblazer have?
1,149 complaints were on file with NHTSA as of 07/14/2026. Of those, 103 involved a crash, 35 involved a fire, and 98 reported injuries. 4 deaths were reported.
Does the 2002 Chevrolet Trailblazer have any recalls?
Yes — 13 NHTSA safety recall campaigns, including campaign 04V527000. Recall repairs are free at authorized dealers. Check your specific vehicle by VIN at nhtsa.gov/recalls.
Has NHTSA acted on the 2002 Chevrolet Trailblazer's reported problems?
6 of the 6 most-reported complaint categories on this page are backed by an NHTSA safety recall or open investigation; the rest are unverified owner reports. A recall means a free repair is available at authorized dealers.
Is a complaint proof of a defect?
No. Complaints are reports submitted by consumers to NHTSA. NHTSA does not verify individual complaints, and a complaint is not proof that a defect exists.
About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/14/2026.
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