FaultScore

2006 Toyota Prius engine problems

45 of the 1,690 complaints about the 2006 Toyota Prius are about the engine — 3% of everything reported for this model year. Half of the failures with a mileage on record happened before 106,566 miles.

B

45

Complaints

4

Crashes

0

Fires

1

Injuries

Exactly what failed

Engine 25 55.6%
Engine AND Engine Cooling 14 31.1%
Engine 4 8.9%
GAS Recirculation Valve (Egr Valve) 1 2.2%
Exhaust System 1 2.2%

Engine & Cooling across every Toyota Prius year

2001 20 2.6%
2002 11 1.4%
2003 11 1.4%
2004 104 13.7%
2005 80 10.5%
2006 45 5.9%
2007 54 7.1%
2008 65 8.6%
2009 27 3.6%
2010 173 22.8%
2011 51 6.7%
2012 32 4.2%
2013 37 4.9%
2014 17 2.2%
2016 18 2.4%
2017 14 1.8%

What owners said

Filed with NHTSA, in their own words.

Hayesville, NC

ENGINE

One afternoon, in the Summer of 23, I entered my Toyota Prius to run some errands. Once I proceeded to power on the car, none of the dashboard lights illuminated. This included the gas gauge, speedometer & transmission indicator. Fortunately, I was only driving a few blocks down the road from my residence as I live in a small rural town with little congestion, little traffic and mostly two-lane roads. I can't imagine this occurring in a much larger metropolitan city. When I arrived at my destination, I discovered that my Prius wouldn't shut off. This dashboard malfunction was preventing the Toyota from powering off. I quickly completed my errands with my vehicle running during this entire ordeal. Finally, when I returned home, I frantically researched on YouTube regarding this issue and discovered many others who also were having these no-illuminating-dashboard problems. Some YouTubers offered workarounds but the solutions will be temporary as the problem will eventually worsen until the Prius owners have no working dashboard lights. From the way I understand it, this problem is nothing more than a small computer board that's behind the speedometer and this computer board has a small diode that tends to burn out on all kinds of Toyota Priuses when it reaches around 150,000 miles.

NHTSA complaint #11580571 — an unverified report by a vehicle owner.

at 265,817 miles Rockford, IL

ENGINE

The contact owns a 2006 Toyota Prius. The contact stated while his wife was attempting to stop the engine and turn off the vehicle, the vehicle failed to turn off. There were no warning lights illuminated. The contact's wife was able to drive safely to the residence. The contact disconnected the battery and conducted a personal diagnostic test and the vehicle was operable. The vehicle was not diagnosed by an independent mechanic or dealer. The manufacturer was not notified of the failure. The approximate failure mileage was 265,817.

NHTSA complaint #11483322 — an unverified report by a vehicle owner.

at 167,000 miles Meritta, GA

ENGINE AND ENGINE COOLING

The contact owns a 2006 Toyota Prius. The contact stated that while driving at an undisclosed speed, the vehicle lost power and immediately regained power. Approximately 24 hours later the check engine warning light illuminated. The vehicle was taken to an independent mechanic who diagnosed that the hybrid water pump was faulty and needed to be replaced. The vehicle was repaired. The local dealer was contacted and informed the contact that the vehicle was not included in the NHTSA campaign number 12V536000 (Engine and Engine Cooling, Hybrid Propulsion System). The contact indicated that the vehicle experienced the failure listed in the recall. The failure mileage was 167,000.

NHTSA complaint #11426460 — an unverified report by a vehicle owner.

at 202,000 miles Buhl, ID

ENGINE

ACCORDING TO THE TOYOTA DEALERSHIP WHERE I HAVE MY CAR MAINTAINED, MY 2006 PRIUS IS IN NEED OF A NEW MOTHERBOARD. APPARENTLY THERE WAS A RECALL ON THIS PRIOR TO SO MANY MILES ON THE VEHICLE BUT I HAVE MISSED THIS DEADLINE AS MY CAR DID NOT SHOW THESE SYMPTOMS PRIOR TO THE CUTOFF.. MY PRIUS WHEN TURNED ON DOES NOT TURN ON THE DASH BOARD FEATURES SO I HAVE NO IDEA HOW FAST I AM DRIVING. ONCE I REACH MY DESTINATION I AM UNABLE TO TURN MY CAR OFF. THE POWER BUTTON DOES NOT RESPOND, USUALLY FOR SEVERAL HOURS. IN THESE CASES I USUALLY LEAVE MY CAR ON IN THE PARKING LOT WHERE I AM AND RETURN OVER THE NEXT SEVERAL HOURS TO CHECK ON IT. IT TENDS TO TURN OFF AFTER TAKING THE CAR FOR A LONG DRIVE SEVERAL HOURS LATER. THIS OCCURS ABOUT TWICE A MONTH NOW.

NHTSA complaint #11319423 — an unverified report by a vehicle owner.

at 237,000 miles NEW Britain, CT

ENGINE

TL* THE CONTACT OWNS A 2006 TOYOTA PRIUS. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 64 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS UNABLE TO RESTART. THE VEHICLE WAS TOWED TO HARTFORD TOYOTA SUPERSTORE LOCATED AT (135 W SERVICE RD, HARTFORD, CT 06120) WHERE IT WAS DIAGNOSED THAT THE BATTERY AND TWO IGNITION COILS NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED HOWEVER, THE FAILURE PERSISTED WHILE THE CHECK ENGINE WARNING LIGHT AND THE ESP FAULT WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TOWED TO LYNCH TOYOTA LOCATED AT (179 TOLLAND TURNPIKE, MANCHESTER, CT 06042) WHERE IT WAS DIAGNOSED THAT INVERTER WATER PUMP NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 237,000.

NHTSA complaint #11317341 — an unverified report by a vehicle owner.

at 176,000 miles Chevy Chase, MD

ENGINE

I WAS DRIVING ON A HIGHWAY 95 SOUTH, ALMOST TO DELAWARE, AT NIGHT IN THE RAIN, AFTER 4 HOURS ON THE ROAD, EVERYTHING STOPPED WORKING. I COULDN'T ACCELERATE, I HAD NO BRAKES, AND EVENTUALLY EVEN MY LIGHTS WENT OUT. THE ENTIRE ELECTRICAL SYSTEM WAS OUT. I WAS IN HEAVY TRAFFIC, AND DON'T EVEN KNOW HOW I GOT OFF THE HIGHWAY, AND TO A GAS STATION. THE TOW TRUCK DRIVER COULDN'T EVEN JUMP THE BATTERY ENOUGH TO GET THE CAR IN NEUTRAL, AND HAD A DIFFICULT TIME GETTING IT UP ON THE FLATBED TO TOW IT HOME. I COULDN'T EVEN LOCK THE DOORS. I HAD A NEW KEY MADE AT THE DEALERSHIP ON 10/17/19 AND I WAS USING THAT KEY FOR HOURS DRIVING TO CT AND A COUPLE OF DAYS LATER I WAS HALF WAY HOME WHEN EVERYTHING IN THE CAR STOPPED WORKING. I WAS TOWED TO MY HOME IN MD BECAUSE I NEEDED TO BE ABLE TO UNPACK MY CAR AND COMPUTER BEFORE TAKING IT TO THE DEALERSHIP. WHEN THE SECOND TOW CAME THE NEXT DAY, I HANDED HIM THE KEY BY THE FRONT DOOR, WHICH WAS MY OLD KEY, AND HE WAS ABLE TO GET THE CAR IN NEUTRAL RIGHT AWAY, AND AT THE DEALERSHIP THE CAR WORKED JUST FINE. THE ONLY DIFFERENCE WAS THE NEW KEY. THE TECHNICIAN FOUND THAT "THE IMMOBILIZER ECU HAS AN INTERMITTENT OPEN CIRCUIT FAILURE, CAUSING THE KEY TO BE SEEN AS UNAUTHORIZED AND STALL THE ENGINE." FROM JIM COLEMAN TOYOTA. APPARENTLY THERE IS A PART OF THE COMPUTER SYSTEM THAT SHUTS OFF ALL SYSTEMS IF IT DETECTS AN "UNAUTHORIZED" KEY--I.E. IF IT BELIEVES THE CAR IS BEING STOLEN. IT SEEMS TO ME THAT THIS IS A VERY DANGEROUS PROGRAM IN THIS CAR. I HAD BEEN USING THAT NEW KEY FOR SEVERAL DAYS, AND HAD NO PROBLEM, BUT FOR IT TO DECIDE IN THE MIDDLE OF THE HIGHWAY AFTER HOURS ON THE ROAD THAT THE KEY WAS A FAKE, I COULD HAVE BEEN KILLED OR I COULD HAVE KILLED SOMEONE ELSE. I WOULD MUCH PREFER THAT MY CAR BE STOLLEN THAN THAT SOMEONE MIGHT GET KILLED BUT SHUTTING OFF EVERYTHING WHILE IT WAS ON THE ROAD.

NHTSA complaint #11309040 — an unverified report by a vehicle owner.

Alexandria, VA

ENGINE

POA93 CODE . CHECK ENGINE LIGHT CAME ON WHILE I WAS DRIVING

NHTSA complaint #11266662 — an unverified report by a vehicle owner.

at 95,000 miles Mamaroneck, NY

ENGINE

MY CAR OVERHEATED SUDDENLY, SHOWED MULTIPLE WARNING LIGHTS, AND WAS DIAGNOSED AS HAVING A FAILURE OF THE ELECTRIC WATER PUMP --SYMPTOMS EXACTLY IDENTICAL TO THOSE DESCRIBED IN !2V536000. MY CAR DID NOT STALL BUT HAD THE SECONDARY CONDITIONS SHOWN WHEN TOYOTA ENGINEERS TESTED THE LIKELY RESULTS OF FAILURE OF THE FAULTY COIL WIRE.

NHTSA complaint #11241705 — an unverified report by a vehicle owner.

at 232,000 miles Atlanta, GA

ENGINE

TL* THE CONTACT OWNS A 2006 TOYOTA PRIUS. WHILE DRIVING, A WHISTLING NOISE WAS HEARD COMING FROM THE ENGINE. IN ADDITION, THE CHECK ENGINE, ABS REQD, AIR BAG, AND BRAKE WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS NOT TAKEN TO A DEALER OR AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 232,000.

NHTSA complaint #11205501 — an unverified report by a vehicle owner.

Houston, TX

ENGINE

I HAD THIS CAR FOR 4 YEAR AND IT HAD BEEN MORE IN THE SHOP GETTING FIX AND ON THE ROAD, REPAIRS ARE VERY EXPENSIVE BUT ONE WANTS TO TAKE CARE OF THE ENVIRONMENT THAT I COULD SAY ALMOST GOT ME KILL I WAS DRIVING IN THE FREEWAY AT 60 WHEN THE CAR WITH NO WARNING STOP, THAT WAS REALLY SCARY, I GOT IT FIX I WOULD SAY A MONTH AFTER THE SAMETHING HAPPEN BUT THANK GOD THIS TIME I WAS IN A FREEWAY. ALTHOUGH MY 3 KIDS WERE WITH ME AND GOT REALLY SCARE.

NHTSA complaint #11171479 — an unverified report by a vehicle owner.

at 163,690 miles Kyle, TX

ENGINE

AFTERNOON 07/11/17 WHILE DRIVING DOWNHILL @ 50 MPH MY 2006 TOYOTA PRIUS TURNED OFF- NO STEERING, EXTERIOR LIGHTS, DASH/COMPUTER LIGHTS, RADIO- EXCEPT FOR FRONT INTERIOR DOME LIGHT. NO WARNING LIGHTS PRIOR TO OR AFTER CAR TURNED OFF. I WAS ABLE TO BRAKE (VERY STIFF BRAKES) & PULL OVER. REPLACED 2015 12V BATTERY HOPING FOR QUICK FIX. CAR STILL WOULD NOT TURN ON, COULD NOT BE TOWED ON FLAT BAD FOR FEAR OF DAMAGING TRANSMISSION. CAR WAS TOWED TO CLOSEST MECHANIC. ON 07/12/17 INDEPENDENT MECHANIC SAID BOTH COOLANT PUMPS FAILED AND THE LEAKING SHORTED A FUSE AND TURNED OFF THE CAR. EVERY TIME THEY ATTEMPTED TO REPLACE FUSE IT WOULD POP FUSE AGAIN. MECHANIC REPLACED WATER PUMP (INCLUDING COOLANT/ANTIFREEZE) & INVERTER ELECTRIC PUMP (INCLUDING INVERTER COOLER WATER) & CHANGED AUTO TRANSMISSION FLUID & FILTER ($1,115). EARLY MORNING 07/14/17 DASH DISPLAY WOULD NOT LIGHT UP WHEN CAR WAS TURNED ON- NO SPEEDOMETER, ODOMETER, GAS GAUGE, REVERSE CAMERA. (HAPPENED COUPLE OF TIMES IN PAST BUT COULD NOT DUPLICATE FOR DEALER.) WHILE DRIVING TO TOYOTA DEALER I NOTICED COMPUTER SCREEN STUCK @ 48 MPG & 61 MILES DRIVEN, BUT NEVER INCREASED MILES AS I DROVE 18 MILES OR UPDATED MPG CALCULATION. REFUSED TO TURN OFF CAR UNTIL SOMEONE FROM TOYOTA DEALER LOOKED @ DASH TO VERIFY CONDITION. TOYOTA DEALER SAYS COMBO METER (COMBINATION METER) FAILURE, WHICH IS NOT RECALL BUT "CAMPAIGN" THAT EXPIRED & REPAIR COSTS $1,111. MOTHERBOARD PART CAN TAKE UP TO 3 WEEKS BUT CAR CANNOT BE DRIVEN WHILE TOYOTA "BURNS" MY COMPUTER'S INFORMATION INTO NEW COMPUTER PART. TOYOTA DEALER PROVIDED LOANER CAR UNTIL REPAIR IS COMPLETED. ON 07/14/17 CALLED TOYOTA & FILED COMPLAINT ABOUT WATER PUMP & COMBO METER. TOYOTA SAYS HYBRID ELECTRIC WATER PUMP CAMPAIGN DID NOT AFFECT MY VIN, WHICH I DO NOT BELIEVE. TOYOTA SAYS COMBINATION METER CAMPAIGN EXPIRED FOR MY VIN. PENDING CALL BACK FROM TOYOTA AT THIS TIME.

NHTSA complaint #10995227 — an unverified report by a vehicle owner.

at 85,000 miles Albany, CA

ENGINE

THE COMPUTERIZED THROTTLE CONTROL ON THE PRIUS CAN GET YOU INTO TROUBLE. A PRIUS WILL NOT REVERSE UP A STEEP DRIVEWAY. NO MATTER HOW FAR YOU DEPRESS THE ACCELERATOR, THE ENGINE WILL NOT GO ABOVE ABOUT 1000 RPM, AND THE CAR WILL NOT MOVE. NOW, IF BASED ON SOUND OF THE ENGINE, YOU PLACE THE TRANSMISSION IN FORWARD WITHOUT FIRST REMOVING FOOT FROM ACCELERATOR, THE CAR WILL ROCKET FORWARD (AND LIKELY CRASH). IT IS QUITE EASY TO DO THIS, AS THE ENGINE IS STUCK AT IDLE, THEN FURIOUSLY REVVING WITH NO CHANGE OF DRIVER INPUT. FATHER-IN-LAW, AND VARIOUS PEDESTRIANS, WERE MIRACULOUSLY UNINJURED, BUT A VERY NEAR THING INDEED.

NHTSA complaint #10966412 — an unverified report by a vehicle owner.

at 196,000 miles Ventura, CA Crash

ENGINE

TL* THE CONTACT OWNED A 2006 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 30 MPH, ANOTHER VEHICLE SUDDENLY STOPPED IN FRONT OF THE CONTACT'S VEHICLE. THE CONTACT DEPRESSED THE BRAKE PEDAL TO THE FLOORBOARD, BUT THE VEHICLE FAILED TO STOP. THE CONTACT'S VEHICLE CRASHED INTO A ROAD SIGN. THE AIR BAGS FAILED TO DEPLOY. THE CONTACT COASTED TO THE SIDE OF THE ROAD AND THE ENGINE FAILED. THE CONTACT WAS NOT INJURED AND A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO A DEALER AND AN INSURANCE LOT. THE VEHICLE WAS DESTROYED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 196,000.

NHTSA complaint #10948860 — an unverified report by a vehicle owner.

at 150,000 miles Brockton, MA

ENGINE

ENGINE FAILURE; DRIVING ON ROADWAYS, HIGHWAYS THE MAIN WARNING LIGHT ON DASH LIGHTS UP, FOLLOWED BY SUDDEN ENGINE FAILURE SECONDS OR MINUTES THERE AFTER. TOYOTA PROFESSIONALS HAVE FAILED TO PROPERLY DIAGNOSE THIS DANGER/MALFUNCTION, OR RECOMMEND A PROPER SOLUTION. I HAVE BEEN CAUGHT ON THE INTERSTATE IN VERY DANGEROUS AREAS WITH TOTAL ENGINE LOSS. THIS REPRESENTS A MAJOR MALFUNCTION AND COULD LEAD TO SERIOUS INJURY, ACCIDENTS AND DEATH NATIONWIDE. PLEASE ALERT OTHERS.

NHTSA complaint #10947872 — an unverified report by a vehicle owner.

at 200,500 miles Encinitas, CA

ENGINE

TL* THE CONTACT OWNS A 2006 TOYOTA PRIUS. WHILE OPERATING THE VEHICLE, THE POWER STEERING SUDDENLY MALFUNCTIONED AND CAUSED THE STEERING WHEEL TO BECOME VERY DIFFICULT TO TURN. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE POWER STEERING ECU WAS FAULTY AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. ALSO, WHILE DRIVING THE VEHICLE, IT SUDDENLY STALLED AND WOULD NOT RESTART. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE THROTTLE BODY WAS FAULTY. THE FAILURE WAS REPAIRED. THE CONTACT ALSO INDICATED THAT THE AIR CONDITIONER BLOWER STOPPED OPERATING AND THE FRONT WINDSHIELD COULD NOT BE DEFROSTED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURES. THE FAILURE MILEAGE WAS 200,500. *DT

NHTSA complaint #10917787 — an unverified report by a vehicle owner.

at 92,000 miles SAN Francisco, CA

ENGINE

DRIVING DOWN THE FREEWAY, THE SHIFT LEVER JUMPED FROM DRIVE TO NEUTRAL AT 65MPH. VERY DANGEROUS.

NHTSA complaint #10885710 — an unverified report by a vehicle owner.

at 106,082 miles Kingsport, TN

ENGINE

TL* THE CONTACT OWNS A 2006 TOYOTA PRIUS. WHILE DRIVING 20 MPH, THE CHECK ENGINE WARNING LIGHT ILLUMINATED AND THE VEHICLE STALLED. THE CONTACT WAS ABLE TO RESTART THE VEHICLE; HOWEVER, THE FAILURE RECURRED SIX TIMES. THE VEHICLE WAS NOT TAKEN TO BE DIAGNOSED NOR REPAIRED. THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 12V536000 (ENGINE AND ENGINE COOLING, HYBRID PROPULSION SYSTEM). THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 106,082.

NHTSA complaint #10824431 — an unverified report by a vehicle owner.

at 116,000 miles Piscataway, NJ

ENGINE

ON THE MORNING OF MAY,04,2015 UPON ENTERING THE CAR AND STARTING IT UP THE INSTRUMENT PANEL FAILS TO DISPLAY. NOT CERTAIN WHAT THE ISSUE WAS I PERFORMED VARIOUS CHECK INCLUDING THE THE ACCESSORY BATTERY AND ATTEMPTED MULTIPLE TIMES STARTING AND STOPPING THE CAR TO NO AVAIL. I LEFT THE CAR WHERE IT WAS AND A FEW HOURS LATER WHEN I RETURNED EVERYTHING WORKED FINE FOR A FEW MORE WEEKS THEN THE ISSUE OCCURRED AGAIN. HOWEVER, I HAVE NOTICED THAT THE ISSUE IS OCCURRING NOW MORE FREQUENTLY INCLUDING WHEN DRIVING (STOPPED THEN GO). FURTHERMORE, WHENEVER THIS ISSUE OCCURS IT BECOMES ALMOST IMPOSSIBLE TO POWER THE ENGINE OFF AND SINCE THEIR IS NO CLUSTER DISPLAY TO LET YOU KNOW VITAL SAFETY INFORMATION, INCLUDING SPEED, GAS, MILEAGE, GEAR (D-R-N) THIS CREATES AN UNSAFE AND HAZARDOUS CONDITION FOR OPERATORS OF THIS VEHICLE. TOYOTA MOTOR CORP. IS VERY MUCH AWARE OF THIS HAZARD WHICH RESULTS FROM A MANUFACTURE DEFECTIVE COMBINATION METER.

NHTSA complaint #10746364 — an unverified report by a vehicle owner.

at 138,100 miles Arlington, VA

ENGINE

AUTOMATIC TRANSMISSION SELECTOR SHIFTED FROM DRIVE (D) INTO NEUTRAL (N). THIS COULD BE TEMPORARILY CORRECTED BY MANUALLY RE-SELECTING D, BUT IN ABOUT 3 SECONDS, IT SHIFTED BACK TO N. WE DROVE BY KEEPING ONE HAND ON THE LEVER TO KEEP IT IN D. AFTER WE STOPPED, THE SAME PROBLEM OCCURRED IN REVERSE (R) -- THE SELECTOR SHIFTED INTO N AFTER A COUPLE OF SECONDS. AGAIN, WE WERE ABLE TO MOVE THE VEHICLE BY MAINTAINING PRESSURE IN THE DIRECTION OF THE R SELECTION. I'VE FOUND SEVERAL REFERENCES TO THIS PROBLEM ON WEBSITES. IT APPEARS TO BE SOLVED BY INSTALLING A NEW SELECTOR ASSEMBLY.

NHTSA complaint #10681114 — an unverified report by a vehicle owner.

at 220,000 miles Rockymount, NC Crash 1 injured

ENGINE

TL* THE CONTACT OWNS A 2006 TOYOTA PRIUS. WHILE DRIVING 55 MPH OVER A POTHOLE, THE CONTACT LOST CONTROL OF THE VEHICLE. THE VEHICLE WENT AIRBORNE AND THE SEAT BELT DISENGAGED AND CAUSED THE CONTACT TO BE EJECTED FROM THE VEHICLE. ADDITIONALLY, THE FRONT DRIVER SIDE TIRE DETACHED FROM THE VEHICLE AND THE CONTACT CRASHED INTO A DITCH. THE AIR BAGS FAILED TO DEPLOY. A POLICE REPORT WAS NOT FILED AND THE CONTACT SUSTAINED UNKNOWN INJURIES THAT REQUIRED MEDICAL ATTENTION. THE VEHICLE WAS TOWED TO A DEALER, BUT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 220,000. UPDATED 2/24/15*CN UPDATED 03/02/15

NHTSA complaint #10669161 — an unverified report by a vehicle owner.

at 123,900 miles SAN Jose, CA

ENGINE

THIS COMPLAINT HAS NOT BEEN QC'D. THE CONTACT SUBMITTED AN EMAIL AND REQUESTED THAT THE OFFICIAL IVOQ BE WRITTEN VERBATIM TO THE EMAIL. KMJ I HAVE MULTIPLE SITUATIONS WITH MY TOYOTA PRIUS 2006 IN THE BEGINNING OF MAY 2014 I A LOUD BEEPING NOISE FILLED THE CAR. THE SYSTEM HAD MULTIPLE LIGHTS DISPLAYING SHOWING INCLUDING THE EMERGENCY BRAKE LIGHT ( WHILE I WAS DRIVING), ABS,VSC, A RED TRIANGLE WITH AN EXCLAMATION POINT IN THE MIDDLE, ETC. AS, THIS WAS HAPPENING CAR IMMEDIATELY STARTED SLOWING DOWN AND I WAS FORCED TO PULL IT TO THE SIDE OF THE STREET. THIS SAME THING HAPPENED TO ME THREE OTHER TIMES WHILE I WAS ON THE FREEWAY. ONE TIME I WAS DRIVING HOME FROM WORK AND MY CAR AGAIN STARTED DECELERATING WHILE I HAD MULTIPLE CARS AROUND ME ON THE FREEWAY. ALL OF THE LIGHTS WERE DISPLAYING, I PUT MY HAZARDS ON AND WAS FORCED TO MOVE TO THE SIDE OF THE ROAD WHILE I WAS ALMOST HIT BY THE CAR BEHIND ME BECAUSE MY CAR WAS RAPIDLY SLOWING DOWN. I TOOK THE CAR TO THE DEALERSHIP SERVICE CENTER AND THEY DIDN'T KNOW WHAT THE PROBLEM WAS. THEY DID A DIAGNOSTIC TEST, MULTIPLE TEST DRIVES, BUT AT THAT TIME THEY DIDN'T KNOW. SO THEY TOLD ME TO DRIVE THE CAR HOME AND COME BACK IF IT HAPPENS AGAIN. WITHIN THE WEEK I WAS EXITING OFF OF THE FREEWAY WITH MY CHILDREN WHEN I START HEARING THE LOUD BEEPING NOISE, ALL THE LAMP LIGHTS CAME ON, AND AS I AM WAITING IN LINE TO EXIT THE FREEWAY ONTO A BUSY STREET THE CAR STOPS. I PANICKED, PUT ON THE HAZARDS, THE CAR WOULDN'T ALLOW ME TO SHIFT IT INTO DRIVE IT HAD MOVED TO NEUTRAL ON ITS OWN. I TURNED OFF THE CAR, TURNED IT BACK ON AND WAS SLOWLY ABLE TO MOVE THE CAR. THIS TIME I TOOK PICTURES OF THE LAMP DISPLAY TO SHOW THE SERVICE MEMBERS AS WELL. MY CHILDREN, MYSELF, AND OTHER DRIVERS COULD HAVE BEEN SERIOUSLY HURT! THE TOYOTA SERVICE CENTER TOLD US WE HAVE A BAD COMPUTER, THE PROBLEM IS WITH THE ECU, AND THE CAR WENT INTO A FAIL SAFE MODE.

NHTSA complaint #10597905 — an unverified report by a vehicle owner.

at 114,980 miles Davis, CA

ENGINE AND ENGINE COOLING

AFTER LONG DRIVE UP MOUNTAINS, VEHICLE LOST POWER WHEN GOING UPHILL, PRESSING ON THE GAS PEDAL RESULTED IN JERKY MOVEMENT OF A FEW FEET. VEHICLE STOPPED. CHECKED BATTERY AND IT WAS LOW BUT HAD TWO BLUE BARS. NO WARNING SIGNS WERE LIT ON THE DASHBOARD. MANAGED TO TURN VEHICLE AROUND AND IT COASTED DOWNHILL WITH NO SUBSEQUENT PROBLEMS. THE LOSS OF POWER OCCURRED ON A ROAD WITH A BLIND CURVE. TURNING BACK WAS A POTENTIALLY DANGEROUS SITUATION. THERE WAS NO WARNING OF ANY PROBLEMS. DEALER WAS NOT HELPFUL IN SOLVING THIS POTENTIAL PROBLEM.

NHTSA complaint #10596135 — an unverified report by a vehicle owner.

at 96,000 miles Iron Belt, WI

ENGINE

TL* THE CONTACT OWNS A 2006 TOYOTA PRIUS HYBRID. THE CONTACT STATED THAT WHILE WAITING AT A TRAFFIC LIGHT, A RED TRIANGLE WARNING LAMP ILLUMINATED AS THE VEHICLE STALLED. THE VEHICLE WAS TOWED TO THE DEALER HOWEVER, THE TECHNICIAN WAS UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 96,000. UPDATED 02/25/14

NHTSA complaint #10561218 — an unverified report by a vehicle owner.

at 107,050 miles Brooklyn, NY Crash

ENGINE

I WAS DRIVING ON A HIGHWAY AND THE CAR ON THE RIGHT STARTED TO MOVE TO MY LANE WITHOUT TURNING ON TURN SIGNAL, HE PROBABLY DIDN'T NOTICE ME AS HE WAS MOVING ON ME, I STARTED TO BRAKE BUT BRAKE PEDAL STARTED TO WORK AT ONCE, IT STARTED TO WORK ONLY AFTER DELAY AND AFTER IT STARTED WORKING I LOST CONTROL OVER THE CAR, ABS SIGNAL TURNED ON AND I STARTED TO MOVE TO THE LEFT. I TRIED TO PREVENT IT BUT CAR WAS TOTALLY OUT OF CONTROL AND THIS CAUSED THE ACCIDENT. THE SAME HAPPENED TO MY WIFE IN FEBRUARY WHEN SHE WAS DRIVING MY CAR ON HIGHWAY. SHE JUST COULDN'T STOP EVEN THOUGH THE DISTANCE TO THE NEXT CAR WAS LONG ENOUGH. BRAKE PEDAL STARTED TO WORK WITH THE DELAY AND SHE BUMPED INTO THE NEXT CAR.

NHTSA complaint #10534353 — an unverified report by a vehicle owner.

at 119,000 miles Arcata, CA

ENGINE

THE VEHICLE UNEXPECTEDLY SHUTDOWN WHILE DRIVING. THERE WAS NO POWER AND THE BRAKES WERE BOGGY. THE RED TRIANGLE WARNING LIGHT CAME AS WELL AS THE ABS AND ENGINE WARNING LIGHTS. AFTER PULLING OVER THE CAR RESTARTED AND DROVE FINE BUT THE RED TRIANGLE REMAINED ON. THE NEXT DAY IT WAS WORKING FINE. TOYOTA WAS UNABLE TO FIND ANYTHING EXCEPT A LOW VOLTAGE WARNING.

NHTSA complaint #10516128 — an unverified report by a vehicle owner.

at 90,000 miles Saratoga, CA

ENGINE AND ENGINE COOLING

THE COOLING SYSTEM IN MY CAR IS DEFECTIVE. THE WATER PUMP IS APPARENTLY LEAKING WHEN I HAVE COMMITTED NO PRECURSIVE ACTION TO CAUSE IT. THIS ISSUE IS RELATED TO THE SAME ISSUE IN MY OTHER SIMILAR TOYOTA PRIUSES, WHERE DEFECTIVE ELECTRIC WATER PUMPS UNEXPECTEDLY STOP WORKING. THE OTHER CARS ARE CONSEQUENTLY RECALLED AND I BELIEVE MINE SHOULD BE AS WELL. HTTP://NEWS.CONSUMERREPORTS.ORG/SAFETY/2012/11/TOYOTA-PRIUS-AND-OTHER-VEHICLES-RECALLED-DUE-TO-WATER-PUMP-AND-STEERING-ISSUES.HTML THANKS.

NHTSA complaint #10511607 — an unverified report by a vehicle owner.

at 112,000 miles Royal OAK, MI

ENGINE

CAR'S ENGINE WOULD NOT SHUT OFF. ADDITIONALLY, THE DIGITAL DASHBOARD (WHICH SHOWS THE SPEEDOMETER, ODOMETER, GAS GAUGE, ETC.) WOULD NOT LIGHT UP. TOYOTA DEALER SAYS IT IS DUE TO A FAILED COMBINATION METER. THE PART IS ON NATIONAL BACKORDER. IT HAS BEEN MORE THAN TWO WEEKS AND MY CAR IS STILL AWAITING THE PART.

NHTSA complaint #10496527 — an unverified report by a vehicle owner.

at 51,000 miles Terre Haute, IN

ENGINE

ICE WATER PUMP FAILURE AT 51,000 MILES. 13 MONTHS OUT OF WARRANTY. DEALER AND CORPORATE OFFICE WOULD NOT COVER ANY PART OF REPAIR.

NHTSA complaint #10477191 — an unverified report by a vehicle owner.

at 120,000 miles Baltimore, MD

ENGINE AND ENGINE COOLING

THE CHECK ENGINE LIGHT COMES ON WHENEVER OUTSIDE TEMPERATURE IS ABOVE 45F OR SO. TOOK IT TO TOYOTA DEALERSHIP AND THEY SAID IT WAS A FAULTY COOLANT FLOW CONTROL VALVE THAT WAS RESULTING IN CODE P1121. THE DEALER SAID THIS WAS A SAFETY ISSUE SINCE COOLANT CAN LEAK OUT, AND RECOMMENDED IT BE FIXED ASAP AT A COST OF NEARLY $1000. THIS IS NOT AN UNCOMMON PROBLEM FOR PRIUS'S AND AN ONLINE SEARCH SHOWED THAT TOYOTA DID COVER THIS UNDER WARRANTY (EXTENSION) FOR SOME MODEL YEARS UP TO 35K MILES. I WROTE TO TOYOTA MOTOR SALES TO ASK IF THEY WOULD COVER OR ASSIST WITH THE REPAIR COST, AND IF THERE WAS A HIDDEN RECALL OR WARRANTY EXTENSION ON THIS ISSUE, AND THEY RESPONDED THAT I SHOULD JUST TRY TO NEGOTIATE A BETTER PRICE WITH THE DEALER. I THINK TOYOTA SHOULD COVER THIS, IT IS A SAFETY ISSUE AND SHOULD HAVE BEEN A RECALL.

NHTSA complaint #10450749 — an unverified report by a vehicle owner.

at 32,553 miles West Hills, CA

ENGINE AND ENGINE COOLING

THE STANDARD ENGINE WATER PUMP WAS FOUND TO BE LEAKING AND HAD TO BE REPLACED ON 10/1/11 AT 32553 MI. THE ELECTRIC HYBRID WATER PUMP WAS REPLACED UNDER RECALL ON 04/02/11 AT 30222 MI.

NHTSA complaint #10428995 — an unverified report by a vehicle owner.

Other 2006 Toyota Prius problems

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