# 2002 CHEVROLET TRAILBLAZER — POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
> NHTSA complaint `397282` · 2003-03-10 · General Motors, LLC
## Severity
- **Deaths:** 0
- **Injured:** 1
- **Fire:** No
- **Crash:** Yes
- **Police report:** No
- **Medical attention:** No
- **Vehicle towed:** No
## Vehicle
- **Make:** CHEVROLET
- **Model:** TRAILBLAZER
- **Year:** 2002
- **Manufacturer:** General Motors, LLC
- **Component:** POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
- **Miles at failure:** 21,000
- **Speed:** 40 mph
## Narrative
ON 11/02 I HAD MY VEHICLE AT THE DEALER FOR SERVICE & IT WAS BROUGHT UP THAT THE 4WD WAS TURNING ON & OFF RANDOMLY.  THE SERVICE PERSON MENTIONED THAT THEY HAVE SEEN A HANDFUL OF THESE & THE COMPUTER IN THE VEHICLE WAS "ASLEEP"  HOWEVER, THEY ADVISED THEY COULDN'T CHECK THE PROBLEM BECAUSE IT WAS IN WORKING ORDER AT THE TIME I HAD IT IN.  THEY COULD ONLY CHECK THE PROBLEM IF IT WASN'T WORKING.  THE LAST WEEK OF 1/03, I WAS TRAVELING AT HIGHWAY SPEEDS IN 2WD.  THE VEHICLE AUTOMATICALLY SHIFTED ITSELF INTO 4WD HIGH, MADE A VERY LOUD SOUND & THE LIGHTS ON THE DASH CHANGED FROM 4WD HIGH TO AWD, & 4WD LOW.  WHEN I ARRIVED HOME, ALL THE LIGHTS ON THE DASH FOR 4WD WERE OUT & HAVE NOT COME BACK ON.  THE VEHICLE WAS TURNED OFF. WHEN THE VEHICLE WAS TURNED BACK ON THE FOLLOWING DAY, IT WAS IN 2WD & WOULD NOT ENGAGE INTO AWD OR 4WD HIGH OR LOW.   I CONTACTED MY DEALER WHO SET UP AN APPOINTMENT TO BRING THE VEHICLE IN ON 2/5/03 TO HAVE THE 4WD CHECKED OUT. ON 2/4/03 I HIT A PATCH OF SNOW & ICE WITH MY REAR TIRES.  I WAS TRAVELING APPROXIMATELY 40 MPH ON A 55 MPH ROAD.  DUE TO THE VEHICLE ONLY BEING IN 2WD & THE AWD & 4WD NOT WORKING, THE FRONT WHEELS OF THE VEHICLE HAD NO POWER & THE VEHICLE WENT OUT OF CONTROL & ENDED UP IN A DITCH ON THE SIDE OF THE ROAD CAUSING OVER $4000 IN DAMAGE.  MINOR BRUISING INJURY TO MYSELF WHEN MY KNEES SLAMMED INTO THE DASH. BODY DAMAGE HAS BEEN REPAIRED & THE SERVICE DEPT HAS CONFIRMED THAT THE COMPUTER WAS NOT WORKING AT THE TIME OF THE ACCIDENT IN ORDER F
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · AI Analytics · CC0 1.0*