There are 10 owner-reported speed control & cruise complaints for the 2002 Chevrolet Trailblazerin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
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!
TL* THE CONTACT OWNS A 2002 CHEVROLET TRAILBLAZER. THE CONTACT STATED WHILE DRIVING AT 45 MPH, THE VEHICLE DECREASED IN SPEED INDEPENDENTLY AND SUDDENLY ACCELERATES. THE CONTACT ALSO STATED THAT THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE OXYGEN SENSORS NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 109,870. UPDATED 03/18/16*LJ UPDATED 05/11/18*JB *TR
I WAS PULLING INTO MY DRIVEWAY AND PUT IT IN PARK. I NOTICED I WAS TO CLOSE TO MY HOME FOR THE CHILDREN IN THE NEIGHBORHOOD TO RUN BETWEEN MY VEHICLE AND THE HOUSE SO I PUT MY VEHICLE IN REVERSE TO BACK UP A LITTLE AND BACKED UP. I THEN PUT IT IN DRIVE TO GO FORWARD AS IT WAS TO FAR OUT IN THE ROAD, SO I PUT IT IN DRIVE AND THE GAS PEDDLE GOT STUCK AND I RAN INTO MY HOME. MY QUESTION IS, HAS THERE BEEN A RECALL ON THE GAS PEDDLE STICKING ON THIS VEHICLE IN THE PAST HISTORY? *TR
TL*THE CONTACT OWNS A 2002 CHEVROLET TRAILBLAZER LTZ (NA). WHILE PARKING WITH HIS FOOT ON THE BRAKE PEDAL, THE CONTACT STATED THE VEHICLE SUDDENLY ACCELERATED AND CRASHED INTO THE REAR OF A PARKED VEHICLE. THERE WERE NO INJURIES AND NO POLICE REPORT FILED. THE VEHICLE HAD NOT BEEN REPAIRED. THE CURRENT AND FAILURE MILEAGES WERE APPROXIMATELY 78,802. UPDATED 02/17/11*LJ THE CONSUMER STATED THE VEHICLE WAS COMPLETELY STOPPED. THE CONSUMER STATED HE NEVER REMOVED HIS FOOT FROM THE BRAKE THE CONSUMER STATED MODULE 4.563 FAILED.. UPDATED 09/12/11
WHILE DRIVING UNDER EVEN THROTTLE AT ABOUT 40 MPH, HEARD A VERY LOUD CLUNK AND THE ENGINE IMMEDIATELY REVVED TO HIGH RPMS. THE GEAR THE TRANSMISSION HAD BEEN IN WAS CLEARLY GONE. AFTER EASING UP ON THE THROTTLE, THE TRANSMISSION SEEMED TO RE-ENGAGE. IT WAS POSSIBLE TO PROCEED, THOUGH THERE WERE NEW NOISES I'D NEVER HEARD BEFORE. (I'M VERY GLAD THIS DID NOT OCCUR AT 70MPH IN HEAVY TRAFFIC.) LATER LEARNED THAT AT LEAST THE GEAR THAT THE VEHICLE HAD BEEN IN WAS GONE (4TH) AND ALSO THAT REVERSE WAS GONE. IMMEDIATELY DROVE TO THE SHOP. PROBLEM WAS FIXED AS A WARRANTY REPAIR AND I GOT IT BACK IN TWO DAYS. REPAIR INVOICE INDICATES THAT THE PROBLEM WAS 'REACTION GEAR SET AND/OR REACTION SUN SHELL' AND THAT THIS WAS FOURND TO BE STRIPPED. WHILE IN THE SHOP IT WAS REPLACED. THAT IS ALL THE INFORMATION I RECEIVED ABOUT THE PROBLEM, BUT I FEAR A DESIGN DEFECT OF SOME SORT AND THAT THE PROBLEM WILL RECUR.*AK
WE HAVE A 2002 CHEV. TRAILBLAZER EXT. THIS VEHICLE'S CRUISE CONTROL CUTS OUT WHILE IT IS SET. IT HAS HAPPENED NUMEROUS TIMES - TOO MANY TO COUNT - AND AT DIFFERENT SPEEDS DEPENDING ON THE STATE AND SPEED LIMIT. THE CRUISE LIGHT DOES GO ON WHEN IT IS ORIGINALLY SET BUT GOES OFF AT RANDOM AND WITH TRUCK TRAFFIC BEHIND YOU IT IS NOT A PLACE WHERE YOU WANT TO BE SLOWING DOWN AND NOT REALIZING IT IMMEDIATELY.*AK
I BACKED OUT OF A PARKING PLACE'PUT THE VEHICLE IN DRIVE AND IT LUNGED FORWARD AS IF THE ACCELARATOR WAS PUSHED TO THE FLOOR.I HIT A LIGHT POLE AND THE CAR STOPPED.*AK
I WAS SITTING AT A STOP SIGN WITH MY FOOT ON THE BRAKE(CONFIRMED BY THE DRIVER IN MY REAR THAT MY BRAKE LIGHTS WERE ON). MY CAR ACCELERATED ON ITS OWN, REAR ENDING THE VEHICLE IN FRONT OF MINE. THEN I ATTEMPTED TO PUT MY VEHICLE IN REVERSE WITH MY FOOT STILL RESTING ON THE BRAKE AND THE TRUCK LUNGED INTO REVERSE ON IT'S OWN AND HIT THE VEHICLE BEHIND ME AS WELL. *TS *NLM **DIMSII IVOQ ENTRY POSTED AFTER 12-12-02 CUT OVER TO ARTEMIS**762650
IDLE WILL STICK TO 2500 RPM'S DUE TO MALFUNCTION WITHIN COMPUTER. PLEASE PROVIDE MORE INFORMATION.*AK
VEHICLE HAS A DELAY IN ACCELERATION. DEALER HAS BEEN CONTACTED. *AK
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026