2003 Toyota Prius Transmission Problems
6 owner-reported transmission complaints from NHTSA data
Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.
Owner Complaints (6)
2003 TOYOTA PRIUS - DEVELOPED RATTLE AND TOOK TO THE DEALER. AFTER A LONG EXAMINATION, DEALER DETERMINED THE PROBLEM WAS WITH THE POWER STEERING RACK. DEALER ACKNOWLEDGED THAT THERE HAD BEEN NO ACCIDENT AND COULD NOT DETERMINE A CAUSE. THE REPAIR COST QUOTED WAS $3,500, ONE HALF OF THE RESALE VALUE OF THE CAR. I CONTACTED TOYOTA MOTOR SALES AND WAS TOLD THAT SINCE THE CAR HAD APPROX. 62,000 MILES, THEY WOULD DO NOTHING. THE DEALER HAS INDICATED A WILLINGNESS TO NEGOTIATE ON THE REPAIR PRICE. *TR
TL*THE CONTACT OWNS A 2003 TOYOTA PRIUS. WHILE THE CONTACT WAS DRIVING 5 MPH OUT OF A PARKING LOT THE VEHICLE SUDDENLY STOPPED ACCELERATING AFTER THE VEHICLE TRAVELED OVER A PATCH OF ICE. THE VEHICLE HAS NOT BEEN TAKEN TO THE DEALERSHIP AND THERE WERE NO PRIOR WARNINGS. THE CURRENT AND FAILURE MILEAGES WERE 150,000.UPDATED 03/30/10. *LJ UPDATED 09/28/10
REAR MAIN SEAL LEAK, LARGE AMOUNT. *TR
I HAVE A 2003 4RUNNER THAT HAS A HORRIBLE CLUNKING SOUND THAT HAPPENS AT RANDOM. THE TOYOTA DEALER HAS ATTEMPTED TO FIX IT 3 TIMES. IT WILL HAPPEN WHEN COMING TO A STOP OR STARTING FROM A STOP. IT'S VERY ANNOYING AND NOT VERY COMFORTING. IF THE DRIVESHAFT IS SLAMMING AND MAKING THIS NOISE, I CAN'T IMAGING ANYONE THINKING THAT IS VERY SAFE. THE THING COULD BREAK AT ANY MOMENT. WHO KNOWS WHAT DAMAGE THE SLAMMING DOES TO IT! TOYOTA NEEDS TO FIX THIS BEFORE SOME GETS HURT FROM IT. *TR
2003 TOYOTA LIMITED 4-RUNNER V8- AWDFRONT-END VIBRATION PROBLEM. I FIRST PRESENTED THE VIBRATION PROBLEM TO MY DEALER THE LAST WEEK OF AUGUST! THEY TRIED BALANCING THE WHEELS WITH NO IMPROVEMENT. THEY AGREED THE PROBLEM WAS THERE AND NOTIFIED CORPORATE. THEIR TECHNICAL STAFF HAD THEM REMOVE THE FRONT AXELS AND RETEST THE VIBRATION WHICH STARTED AT 22 MPH, WENT TO 32MPH 42, 55, AND 62MPH NOW DISAPPEARED! A WEEK LATER A TECHNICAL REPRESENTATIVE MET WITH ME AND MENTIONED THAT SEVERAL VEHICLES IN PHOENIX HAD THE SAME PROBLEM. HE SUGGESTED IT PROBABLY WOULD TAKE ABOUT TWO MONTHS TO GET A FIX. TWO MONTHS LATER I TALKED TO THE TECH. REP. AGAIN AND HE MENTIONED THAT THE ENGINEERING GROUP HAD DETERMINED THE PROBLEM TO BE INTERFERENCES IN THE SPIDER GEAR ASSEMBLY IN THE FRONT DIFFERENTIAL, THEY WERE TRYING TO CORRECT THE CONDITION WITH THRUST WASHER SHIMS AND OTHER THINGS. I HAVE PRESENTED MY CLAIM TO THE CUSTOMER SUPPORT GROUP. I HAVE CALLED THEM REGULARLY ONCE A MONTH AND HAVE HAD NO SUCCESS AT FINDING WHAT THEIR SCHEDULE IS FOR THE FIX,--ONLY TO SAY WE ARE WORKING ON IT AND YOUR DEALER WILL NOTIFY YOU. IVE SINCE HEARD FROM MY DEALER STAFF THAT THEY HAVE A NUMBER OF LEXUS GX470'S AS WELL AS 4-RUNNERS INVOLVED. IM BEGINNING TO FEEL THAT THEY HAVE SO MANY VEHICLES WITH DIFFERENTIAL ASSEMBLIES INVOLVED, THAT IT MAY REQUIRE SOME KIND OF MAJOR REDESIGN AND BUILD. IT MIGHT BE A LONG TIME BEFORE WE SEE A FIX! I HAUL A POP-UP TRAILER AND DOES IT MAGNIFY THE PROBLEM!*AK
CAR STALLS (GAS PEDAL DOES NOT RESPOND) WHEN TURNING INTO TRAFFIC. ALSO WHEN SLOWING TO A LOW SPEED AND THEN ACCELERATING. THIS HAS CAUSED US TO ALMOST BE HIT SEVERAL TIMES IN THE SIDE AND IN THE REAR. MOST OF THE TIME WHEN THIS HAPPENS THE CAR WITH TIRE MARKS LIGHT ON THE INSTRUMENT PANEL COMES ON AND FLASHES. THERE IS NO WAY TO PREDICT WHEN THIS SUDDEN LOSS OF THE ACCELERATOR WILL HAPPEN. IT IS VERY DANGEROUS. THIS HAPPENS AT LEAST ONCE ALMOST EVERY TIME WE DRIVE. ALSO SOMETIMES WHEN YOU START THE CAR AND BEGIN TO GO YOU HEAR DINGING SOUNDS AND FEEL AND HEAR BUMPS AND GRINDING NOISES. 2 LIGHTS COME ON IN THE INSTRUMENT PANEL WHEN THIS HAPPENS. 1 READS VSC TRAC AND THE OTHER READS TRAC OFF. IF YOU STOP AND RESTART THE ENGINE IT WILL EVENTUALLY STOP DOING IT. SOMETIMES THIS IS AFTER 1 RESTART AND SOMETIMES IT HAS TAKEN 5 AND 6. ON DAY IT WOULD NOT STOP NO MATTER HOW MANY TIMES YOU RESTARTED AND WE HAD TO DRIVE WITH LIGHTS ON. THIS HAS HAPPENED ABOUT 10 DIFFERENT TIMES.