Page 8 of 13 · complaints 351–400 of 610

2004 Toyota Prius complaints

Owner reports filed with NHTSA about this vehicle, newest first and reproduced as filed. They are unverified accounts: one proves nothing, and a pattern across many is the thing worth reading. Back to the full 2004 record →

Electrical System
Filed Feb 16, 200934,000 milesCA

MULTI-FUNCTION MONITOR DISPLAY INTERMITTENT BLANK OUT. NO DISPLAY FOR MULTI-FUNCTION DISPLAY UNIT. IT OCCURS VERY OFTEN SINCE JANUARY 2008. *TR

Exterior Lighting
Filed Feb 15, 2009NC

BOTH HEADLIGHTS ON MY WIFE'S 2004 TOYOTA PRIUS STARTED GOING ON AND OFF. FIRST THE DRIVER'S SIDE WENT OUT AND CAME BACK ON, EVENTUALLY BOTH OF THEM WENT OUT AND WE WERE DRIVING AT NIGHT IN THE MOUNTAINS. THIS SEEMS TO BE A COMMON PROBLEM WITH PRIUS OWNERS AFTER RESEARCHING THE ISSUE. TOYOTA REPAIR COST HAVE BEEN ESTIMATED AROUND $1000. *TR

Electrical System
Filed Feb 8, 200963,300 milesWV

THE DIGITAL DASHBOARD WHICH INCLUDES THE SPEEDOMETER, ODOMETER/TRIPMETER, SHIFT INDICATOR AND FUEL GAUGE GOES BLANK. THIS CREATES A SAFETY HAZARD ESPECIALLY DURING NIGHT OR POOR WEATHER DRIVING, AND WHEN SHIFTING. MY LOCAL TOYOTA SERVICE DEPARTMENT MANAGER ACKNOWLEDGED THAT TOYOTA KNOWS THIS IS A COMMON PROBLEM, BUT REFUSED TO FIX IT AT NO COST. THE SERVICE MANAGER ALSO TOLD ME THAT HE MUST IMPOUND MY CAR UNTIL THE NEW PART IS INSTALLED. HE SAID THAT FEDERAL LAW REQUIRED THIS AS THE NEW ODOMETER MUST BE SET AT THE DISTRIBUTOR BEFORE BEING SHIPPED TO THE SERVICE DEPARTMENT. THIS WOULD COST APPROXIMATELY $800.00. LUCKILY FOR ME THE DISPLAY CAME ON DURING TROUBLESHOOTING AND I REFUSED FURTHER SERVICE AT THAT TIME. NOW, A MONTH OR SO LATER, THE DISPLAY SHUT OFF AGAIN AND I AM ONLY DRIVING THE CAR DURING DAYLIGHT HOURS. *TR

Exterior Lighting
Filed Feb 6, 2009135,000 milesPA

HIGH INTENSITY DISCHARGE HEADLIGHTS INTERMITTENTLY GOING OUT. NO RHYME OR REASON AS TO WHEN THE OUTAGE OCCURS BUT TURNING THE CIRCUIT OFF AND BACK ON AGAIN WILL RE-ILLUMINATE THE HID HEADLIGHT...BUT FOR HOW LONG?? *TR

Exterior Lighting
Filed Feb 1, 200976,000 milesCA

THE HID HEADLIGHT ON MY 2004 TOYOTA PRIUS HAS NOT BEEN WORKING RIGHT ON THE PASSENGER SIDE FOR A WHILE. IT WAS GOING OFF FROM TIME TO TIME. BUT, NOW IT APPEARS NOT TO BE WORKING AT ALL. I TOOK THE CAR TO THE AUTO SHOP AND WAS TOLD THAT THIS IS A COMMON PROBLEM WITH MANY PRIUS CARS AND THAT IT WILL COST $457.99 TO REPLACE THE UNIT. THIS APPEARS TO BE AN ONGOING ISSUE/DEFECT WITH MANY PRIUS CARS, WHICH NEEDS TO BE ADDRESSED ASAP SINCE THIS IS A HUGE SAFETY ISSUE. THERE SHOULD BE A RECALL ON TOYOTA PRIUS HEADLIGHTS SINCE THERE SEEMS TO BE A GREAT DEAL OF COMPLAINTS ON THIS ISSUE WHICH INVOLVES THE SAFETY OF THE CONSUMERS. THANK YOU VERY MUCH FOR YOUR IMMEDIATE ATTENTION TO THIS MATTER. *TR

Exterior Lighting
Filed Jan 29, 200950,000 milesNY

FOR THE LAST 30,000 MILES ON MY 2004 TOYOTA PRIUS, LEFT HID HEADLIGHT KEEPS GOING OFF. HOWEVER, WHEN I SWITCH HEADLIGHTS OFF AND BACK ON, IT WOULD GO ON, AND STAY ON, FOR COUPLE MINUTES, SOMETIMES HOURS. AFTER THAT IT GOES OFF AGAIN. AT TOYOTA DEALERSHIP THEY TOLD ME THAT COMPUTER WITH THE HEADLIGHT ASSEMBLY MUST BE REPLACED. IT WOULD COST ME AROUND $400. MY CAR IS STILL UNDER WARRANTY, BUT THEY SAID IT DOES NOT COVER IT, EVEN THOUGH AT THE DAY OF THE PURCHASE OF MY CAR, I BOUGHT "BUMPER-TO-BUMPER" ADDITIONAL WARRANTY. WHY THE HEADLIGHTS ARE NOT COVERED REMAINS A MYSTERY. RESEARCH THAT I DID ON THE ISSUE, SHOWED THAT MANY PEOPLE ARE HAVING THE SAME PROBLEM WITH THEIR TOYOTAS AND HAVE NO CHOICE BUT SPEND HUNDREDS OF DOLLARS ON SOMETHING THAT LOOKS LIKE A DEFECT IN THE HEADLIGHT ASSEMBLY. I THINK TOYOTA SHOULD MAKE A RECALL FOR THIS PARTICULAR PART. *TR

Service Brakes, Hydraulic
Filed Jan 15, 200943,000 milesOK

WHILE NORMAL CONDITIONS I HAVE EXPERIENCED A MAJOR BRAKE MALFUNCTION, BOTH THE ABS AND THE BRAKE LIGHTS COME ON. THE VEHICLE BARELY HAS BRAKES, THIS HAS HAPPENED MULTIPLE TIMES SINCE I HAVE BOUGHT THE VEHICLE 2 YEARS AGO. I HAVE TAKEN MY VEHICLE 6 TIMES TO HAVE TO IT FIXED, AND THEY HAVE NEVER BEEN ABLE TO FIX IT. BRAKES REPEATEDLY FAIL ON A REGULAR BASES. THEY HAVE REPLACED THE BRAKE ACCUMULATOR, BRAKE COMPUTER, RESET THE BRAKE PISTON CALPALTORS, AND THE RELAY THAT CONTROL THE BRAKES, AND THE 12 VOLT BATTERY. NONE OF THESE REPAIRS HAVE WORKED. BRAKES STILL FAIL REGULARLY. COMPLAINT LODGE WITH TOYOTA CUSTOMER SATISFACTION CENTER. *TR

Exterior Lighting
Filed Jan 11, 2009100,000 milesMO

DRIVERS HEADLIGHT CONTINUOUSLY GOES OUT. I CAN REPLACE BULBS AND IT MAY LAST 1 WEEK. I CAN TURN MY HEADLIGHTS OFF AND BACK ON THEN IT WILL START WORKING BUT NO MORE THAN 1/2 A MILE. THIS IS DEFINITELY A SAFETY HAZARD WITH GOING DOWN THE ROAD AND FLIPPING YOUR HEADLIGHTS ON AND OFF TO GET THEM TO WORK. TOOK TO DEALER HE TOLD ME THAT MOST PRIUS WAS HAVING THIS PROBLEM BUT IT WOULD COST AROUND 500 TO GET IT FIXED. AFTER RESEARCHING I FOUND A MESSAGE BOARD WITH 35 PAGES ADDRESS THE SAME COMPLAINT WITH THE HEADLIGHTS. NOT HAVING BOTH HEADLIGHTS OPERATIONAL IS A SAFETY PROBLEM THAT NEEDS TO BE ADDRESSED WITH THE ROOT CAUSE ASCERTAINED AND REPAIRED BY THE MANUFACTURER. *TR

Exterior Lighting
Filed Jan 2, 2009106,900 milesCA

DRIVER-SIDE HID HEADLAMP IN 2004 TOYOTA PRIUS WAS NOTICED TO BE VERY, VERY, DIM (EFFECTIVELY OFF) AROUND 2008/10/14. TURNING HEADLAMPS OFF AND ON RESTORED BRIGHTNESS. BUT THE PROBLEM RECURRED AT UNPREDICTABLE TIMES--FREQUENTLY ENOUGH TO BE A SERIOUS SAFETY PROBLEM. FREQUENTLY THE DRIVER CAN'T TELL WHILE DRIVING, WHETHER ONE HEADLAMP IS OFF, AND OBVIOUSLY IT'S UNSAFE TO FIX IT BY TURNING IT OFF AND ON WHILE DRIVING. TOYOTA DEALER REPLACED DRIVER-SIDE HEADLAMP ON 2008/10/15, FOR $600! ON 12/15 THE DRIVER NOTICED THE SAME HEADLAMP AGAIN WAS MISBEHAVING IN EXACTLY THE SAME WAY, AND THE PROBLEM HAS RECURRED SINCE THEN AT APPARENTLY RANDOM TIMES. PRIUSCHAT.COM'S MANY POSTERS ABOUT THIS PROBLEM MAKE IT UNLIKELY THAT JUST THE BULB IS THE PROBLEM. PROBABLY THE BALLAST. BUT TOYOTA WON'T COMMENT. I DO STILL HAVE THE ORIGINAL BULB, AND THE BOX FROM THE NEW BULB. LISA AT TOYOTA CORPORATE CUSTOMER EXPERIENCE CENTER REPLIED AROUND 2008/10/18 THAT TOYOTA WOULD REIMBURSE HALF OF THE $600. BUT AS OF 2009/1/3 NO REIMBURSEMENT HAS BEEN GOTTEN. I CALLED TOYOTA CORPORATE AGAIN ON 2008/12/16 AND DAMIAN SAID HE MUST FORWARD MY NEW COMPLAINT ABOUT THE REPEATED FAILURE TO LISA, AND THAT SHE WAS "REQUIRED" TO RESPOND IN ONE BUSINESS DAY. SHE HAS NOT RESPONDED AS OF 2009/1/3. THERE ARE MANY COMPLAINTS ABOUT EXACTLY THIS PROBLEM ON PRIUSCHAT.COM AT HTTP://PRIUSCHAT.COM/FORUMS/CARE-MAINTENANCE-TROUBLESHOOTING/34584-HEADLIGHT-PROBLEM-26.HTML. *TR

Exterior Lighting
Filed Dec 23, 2008110,000 milesPA

RANDOM HEADLIGHT FAILURE. WHEN FOG LIGHTS ARE NOT ON TOTAL FAILURE OF HEADLIGHTS HAS OCCURRED. RIGHT, LEFT OR BOTH HEADLIGHTS WILL GO OUT WITH NO CORRELATION TO WEATHER, SPEED, TEMPERATURE, LOCATION OF LAMP OR TIME OF DAY. QUICKLY TURNING THE LIGHT SWITCH OFF THEN ON WILL REILLUMINATE BOTH LAMPS. THE LAMPS MAY GO OUT AGAIN, STAY LIT, THE SAME LAMP WILL GO OUT OR THE PREVIOUSLY LIT LAMP MAY FAIL AND THE PREVIOUSLY FAILED LAMP MAY LIGHT. THERE IS A REDUCED INTERVAL BETWEEN FAILURES . LIGHTBULB REPLACEMENT HAS BEEN SUGGESTED BUT THIS HAS NOT SOLVED THE PROBLEM FOR SIMILAR COMPLAINTS. *TR

Exterior Lighting
Filed Dec 3, 200850,000 milesFL

PRIUS 2004 HEADLIGHT GOES OUT PERIODICALLY. TURNS BACK ON ONLY WHEN ALL LIGHTS ARE SHUT DOWN AND TURNED ON AGAIN. *TR

Exterior Lighting
Filed Nov 29, 200891,384 milesMD

I OWN A 2004 TOYOTA PRIUS. I JUST PAID $332.50 TO HAVE MY 2 HEADLIGHTS' HIB BULBS REPLACED - AND THAT DIDN'T INCLUDE THE PARTS COST BECAUSE I PROVIDED THE HID BULBS FROM AN ONLINE AUTO PARTS SUPPLIER. THE SYMPTOMS WERE THE SAME AS NOTED BY SO MANY OTHER PRIUS OWNERS: FREQUENT LOSS OF LIGHT FROM THE HEADLIGHT, AND RECOVERY BY ROTATING THE LIGHT SWITCH OFF THEN ON AGAIN...ONLY TO HAVE IT RE-OCCUR A FEW MINUTES LATER. EACH HEADLIGHT HAD ITS OWN PATTERN OF INCONSISTENCY, BUT BOTH HAD THE DYSFUNCTION. I HAVE RECEIVED TWO TRAFFIC CITATIONS FOR DRIVING WITH A HEADLIGHT OUT. THE DEALERSHIPS IN GLEN BURNIE, MARYLAND AND IN LAUREL, MARYLAND BOTH QUOTED ME A PRICE FOR ONE HID BULB OF $351.02 I WAS ABLE TO FIND THE EXACT BULB ONLINE AT PARTSQUICK.COM FOR A PRICE OF $57.27 THAT'S RIGHT, THE DEALERSHIP WANTED TO CHARGE ME $293.75 MORE PER BULB. I PURCHASED TWO ONLINE, WHICH - WITH FREE SHIPPING - COST ME $114.54 FOR BOTH. DO THE MATH...FOR TWO LIGHT BULBS ONLY (NOT COUNTING LABOR) ONLINE I SAVED $587.50 HAD I NOT PURCHASED THE BULBS ONLINE, THE TOTAL OUT-OF-POCKET TO REPLACE BOTH HEADLAMP BULBS WOULD HAVE BEEN: $ 702.04 PARTS ($351.02 X 2) $ 332.50 LABOR $1,034.54 TOTAL THE DEALERSHIP TOLD ME THEY COULDN'T GUARANTEE THAT THE BULBS WERE THE PROBLEM, NOR THAT REPLACING THE BULBS WOULD SOLVE THE PROBLEM, BUT THAT TOYOTA INSTRUCTS THEM TO REPLACE THE BULBS FIRST. THIS IS INSANE, AND CERTAINLY UNSAFE. *TR

Exterior Lighting › Headlights
Filed Nov 24, 200850,000 milesCO

RIGHT HEADLIGHT INTERMITTENT TOOK IT TO THE DEALER SAID I DON'T HAVE A PROBLEM FUNCTIONS PERFECTLY. WELL I NOW HAVE A TICKET TO PROVE OTHER WISE. TURN THE HEADLIGHTS OFF IT WILL COME ON THEN DIE. NOW THE LIGHT JUST PLAIN DOESN'T WORK. DEALER WANTS $886 TO REPLACE. SOUNDS LIKE A DEALER RECALL PROBLEM WITH A MAJORITY OF PRIUS HID SYSTEMS. IT IS ALSO A SAFETY ISSUE. *TR

Exterior Lighting
Filed Nov 24, 200850,000 milesCO

RIGHT HEADLIGHT QUIT WORKING I GOT A TICKET OUT OF THE DEAL AND THE TOYOTA DEALER WANTS ALMOST $1000 TO FIX THE PROBLEM. RIDICULOUS THE FRONT BUMPER HAS TO BE REMOVED. MANY OTHERS HAVE HAD THE SAME PROBLEM SOUNDS LIKE A DEALER RECALL TO ME. *TR

Electrical System
Filed Nov 19, 200820,000 milesCA

THE MULTI-FUNCTION DISPLAY (MFD) FAILED. (CROSS REFERENCE NHTSA COMPLAINT #10173892). THIS IS A KNOWN DESIGN DEFECT (CROSS REFERENCE ANALYSIS ON WEB: HTTP://TECHNO-FANDOM.ORG/~HOBBIT/CARS/MFD/COMPARE.HTML AND HTTP://TECHNO-FANDOM.ORG/~HOBBIT/CARS/MFD/). TOYOTA ISSUED A TECHNICAL SERVICE BULLETIN (EITHER EL-002-04 OR EL-002-05 - CONFLICTING INFO ON THIS) ON JAN 10, 2005. WHEN THE MFD FAILS, ONE CANNOT CONTROL THE AMOUNT OF AIRFLOW TO THE WINDSHIELD (DEFROSTER). THIS PRESENTED ME WITH VISIBILITY PROBLEMS DURING THE MORNING COMMUTE. AS SUCH, I CONSIDER IT A SAFETY ISSUE. TOYOTA HAS BEEN AWARE OF THIS FOR 3 YEARS, GIVEN THE DATE OF THEIR TSB. THE ROOT CAUSE APPEARS TO BE AN UNDERSIZED SOLDER PAD ON ONE OF THE ELECTRONIC CARDS OF THE MFD. THIS RESULTS IN A CRACKING OF THE SOLDER JOINT. BECAUSE MY PROBLEM WAS INTERMITTENT, COMING AND GOING ON A FREQUENT BASIS, I PRESUME IT WAS A MICRO CRACK. THIS DOES NOT HELP WHEN THE WINDSHIELD IS FOGGING OVER. ALL OF THE VARIOUS ERROR MESSAGES THAT WERE DISPLAYED ON THE MFD WERE CONSISTENT WITH THE INFORMATION ON THE ABOVE REFERENCED WEB URL'S. THE PROBLEM IS WITH THE RELEASE F OF THE ELECTRONIC CARD ASSEMBLY AND WAS CORRECTED WITH RELEASE G. THERE ARE PICTORIAL COMPARISONS BETWEEN THE TWO RELEASES ON ONE OF THE WEB URL'S. GIVEN THAT THIS HAS AN IMPACT ON VISIBILITY DURING THE WINTER MONTHS, I AM SHOCKED THAT TOYOTA CHOSE TO SIT ON THIS PROBLEM. THE SUPPLIER OF THIS PART TO TOYOTA IS FUJITSU. *TR

Exterior Lighting
Filed Oct 13, 200877,000 milesFL

I WAS QUOTED $466 JUST FOR THE PRICE OF MY BULB FOR THE HEADLIGHT OF MY TOYOTA PRIUS. FOR A NON LUXURY CAR IT SO EXPENSIVE THAT A LOT OF PEOPLE WILL CHOOSE TO MAKE DUE WITH THEIR FLICKERING ONE. IT IS OUTRAGEOUS THAT TOYOTA DID NOT GIVE A MORE AFFORDABLE CHOICE. IT IS GOING TO BE MORE DANGEROUS OUT THERE. *TR

Exterior Lighting
Filed Sep 22, 200882,000 milesIL

I HAVE A 2004 PRIUS AND THE FRONT RIGHT HEADLIGHT IS WORKING ONLY INTERMITTENTLY. THIS HAPPENS AT LEAST THREE OR FOUR TIMES A WEEK; I HAVEN'T SEEN ANY PATTERN. I HAD MY DEALER CHECK THE LIGHT AND ITS CONNECTIONS AND I WAS TOLD THAT THE HID LIGHT BULB WAS NOT WORKING AND THAT IT NEEDED TO BE REPLACED AND THAT I COULD ONLY REPLACE THEM AS A PAIR. THE REASON BEING THAT THEY ARE SOMEHOW CONNECTED TO EACH OTHER AND THAT ONE FAILING WOULD LEAD TO THE OTHER FAILING AS WELL. THE COST WAS AN OUTRAGEOUS $452 EACH WITH LABOR AND THAT MY EXTENDED WARRANTY DOESN'T COVER IT! *TR

Service Brakes, Hydraulic
Filed Aug 5, 200890 milesPR

BRAKE FAILURE, THIS HAPPENED TO ME TODAY 8/5/08. I PURCHASED THIS 2004 PRIUS 2 WEEKS AGO(90,000 MILES), AND I'VE ONLY HAD PROBLEMS UP TILL NOW. I WAS DRIVING AT ABOUT 25 MPH, WHEN ALL OF THE SUDDEN THE ABS WARNING LIGHT WENT OFF, AND THE BRAKE LIGHT TURNED ON(AND A BUZZER WAS HEARD). I HAD TO DEPRESS THE BREAK PEDAL HARD IN ORDER TO GET THE CAR TO BREAK. IT FELT JUST LIKE WHEN A CONVENTIONAL CAR LOOSES ITS BREAKS. THANKS GOD I WAS ONLY 1 MILE FROM THE TOYOTA DEALER. I HAD A SCHEDULED EVAPORATOR REPLACEMENT ($450)SCHEDULED FOR TOMORROW SO I DECIDED TO LEAVE THE CAR AT THE DEALER (THIS IS WHAT THE MANUAL SAYS TO DO WHEN BOTH WARNINGS GO OFF). *TR

Power Train › Automatic Transmission
Filed Aug 1, 2008CA

2004 TOYOTA PRIUS AUTOMATIC TRANSMISSION CONTROL PROBLEMS. CONSUMER STATES THAT TRANSMISSION CONTROL LEVER BECAME WORN. SOMETIMES THE VEHICLE BEGAN TO THE ROLL WITH THIS DEFECT. *KB THE CONSUMER STATED THE INTERNAL SPRING THAT MOVES THE TRANSMISSION LEVER BACK TO THE PREVIOUS POSITION BECAME WORN AND NOW IT DOESN'T RETURN TO IT'S NORMAL POSITION WHEN PUTTING IT IN REVERSE OR DRIVE. THE SHIFTER LEVER WAS STICKING IN DRIVE OR REVERSE. *JB

Exterior Lighting
Filed Jul 17, 2008101,350 milesVA

DRIVER'S SIDE HIGH INTENSITY DISCHARGE HEADLAMP BEGAN SWITCHING OFF ABOUT A MONTH AGO. LAST WEEKEND WHILE TRAVELING AT NIGHT, THE HEADLAMP WENT OUT ABOUT 15 TIMES IN 3 HOURS. EACH TIME TURNING THE HEADLAMP SWITCH OFF AND BACK ON TEMPORARILY SOLVED THE PROBLEM. I BROUGHT THE CAR TO THE DEALER AND THEY REPLACED THE HID BULB FOR $355. I HAD THE SAME PROBLEM WITH THE PASSENGER SIDE HEADLAMP SIX MONTHS AGO AND REPLACING THE BULB HAS SOLVED THE PROBLEM (TO DATE). THIS IS A DISCONCERTING ISSUE. I HAVE NOT RECEIVED AN EXPLANATION AS TO WHY THIS OCCURS AS OPPOSED TO A NORMAL HEADLAMP JUST BURNING OUT AND THEN BEING ABLE TO REPLACE IT FOR TWENTY BUCKS. *TR

Electrical System › Instrument Cluster/Panel
Filed Jun 10, 200825,000 milesFL

TL*THE CONTACT OWNS A 2004 TOYOTA PRIUS. ON APPROXIMATELY 10 TO 12 OCCASIONS, THE VEHICLE WOULD DRIVE ROUGHLY AND THE INSTRUMENT PANEL LIGHTS WOULD ILLUMINATE WHILE DRIVING AT VARIOUS SPEEDS. THE VEHICLE HAD TO BE PULLED OVER TO THE SIDE OF THE ROAD AND TURNED OFF. AFTER APPROXIMATELY FIVE MINUTES, THE CONTACT WOULD RESTART THE VEHICLE, BUT THE INSTRUMENT PANEL LIGHTS WOULD STILL BE ILLUMINATED. THE VEHICLE HAS BEEN TAKEN TO TWO TOYOTA DEALERS AND THE LOCATION WHERE THE VEHICLE WAS PURCHASED, BUT NO ONE COULD DETERMINE THE CAUSE OF THE FAILURES. THE CURRENT MILEAGE WAS 40,000 AND FAILURE MILEAGE WAS 25,000.

Exterior Lighting › Headlights
Filed Jun 7, 200840,000 milesTN

PASSENGER XENON HEADLIGHT FUNCTION ERRATIC DESPITE BULB REPLACEMENT. *TR

Electrical System
Filed Jun 3, 200845,000 milesWI

ERRATIC LOSS OF PC USE, TOUCH SCREEN, AUDIO DEACTIVATED, NO PICTURE AT ALL DEALER WANTS $980 TO REPLACE WITH REFURBISHED AND $4000 FOR NEW. WORRIED ABOUT ALL THE OTHER DOT TROUBLED LISTINGS OF TOTAL ELECTRICAL POWER LOSS. *TR

Service Brakes, Hydraulic › Brake Fluid Low Warning › Lamp
Filed Apr 28, 200842,980 milesMA

TL*THE CONTACT OWNS A 2004 TOYOTA PRIUS. WHILE DRIVING 60 MPH, ALL OF THE BRAKE WARNING LIGHTS ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE WAS DIAGNOSED BY THE DEALER. THE FAILURE MILEAGE WAS 42,980.

Engine and Engine Cooling
Filed Apr 10, 200834,000 milesCA

2004 PRIUS STALLED WHILE DRIVING. TOWED TO DEALER WHO FOUND NO PROBLEM. *TR

Vehicle Speed Control
Filed Apr 6, 200862,409 milesCA

I WAS DRIVING ON THE 605 FREEWAY IN THE CARPOOL LANE AT APPROXIMATELY 70 MILES PER HOUR WHEN WITHOUT WARNING, THE CAR SUDDENLY LOST POWER AND THE CHECK ENGINE AND MASTER HYBRID WARNING LIGHTS CAME ON. I HAD TO CROSS FOUR LANES OF RUSH HOUR TRAFFIC TO PULL TO THE RIGHT SIDE OF THE FREEWAY AS THE CAR LOST POWER. I WAS BARELY ABLE TO DRIVE THE CAR SAFELY TO THE RIGHT SHOULDER OF THE FREEWAY. THE CAR WAS TOWED TO THE DEALER SINCE IT WAS NOT DRIVABLE. THIS WAS A VERY DANGEROUS AND SCARY EXPERIENCE. FORTUNATELY, A SERIOUS ACCIDENT WAS NARROWLY AVOIDED. THE DEALER ATTRIBUTED THE PROBLEM TO A SHORT. THE HYBRID VEHICLE CONTROL COMPUTER WAS REPLACED. THE REPLACEMENT PART NUMBER IS 89981-47270. *TR

Electronic Stability Control › Automatic (asc)
Filed Apr 2, 200830,000 milesPA

TL*THE CONTACT OWNS A 2004 TOYOTA PRIUS. THE CONTACT STATED THAT THE VEHICLE HAS NO TRACTION WHILE DRIVING UPHILL AT ANY SPEED. THE VEHICLE WILL NOT MOVE OR GO FORWARD. THE VEHICLE HAS NOT BEEN INSPECTED. THE CURRENT MILEAGE IS 65,300 AND FAILURE MILEAGE WAS 30,000. UPDATED 04/16/08. *LJ THE CONSUMER STATED WHEN THE TRACTION CONTROL DETECTS NO TRACTION ON ANY DRIVE WHEEL, THE VEHICLE REFUSES TO GIVE POWER TO THE WHEELS. THE VEHICLE FREEZES.

Electrical System › Instrument Cluster/Panel
Filed Mar 20, 200870,000 milesFL

CONTROL SCREEN STARTED TO WORK ON AND OFF. DRIVER COULD DRIVE TO 5 MINUTES AND THE SCREEN WOULD BEGIN TO WORK. AFTER SEVERAL DAYS OF THIS, THE SCREEN STOPPED WORKING ALTOGETHER. WE CAN THEREFORE NO LONGER USE OUR HEATING COOLING CONTROLS, OR OUR NAVIGATION SYSTEM. WE HAVE NOT REPAIRED THIS DEFECT YET. *TR

Exterior Lighting › Headlights
Filed Mar 20, 2008MD

TOYOTA 2004 PRIUS - PASSENGER-SIDE HID HEADLIGHT WENT OUT. DEALERS WANT ABOUT $650 TO FIX!!! (INCLUDES HAVING TO TAKE THE BUMPER OFF.) THE COST IS AN OUTRAGE. I CAN'T AFFORD IT. THESE BULBS HAVE APPARENTLY FAILED ON MANY PRIUSES, SO DEALERS ARE CASHING IN. *TR

Exterior Lighting › Headlights
Filed Feb 29, 2008PA

WHILE DRIVING (OR SITTING IDLING) ONE (OR BOTH) OF THE HEADLIGHTS WILL GO OUT. I HAVE VERIFIED THAT THE LIGHT GOES OUT COMPLETELY AND DOES NOT JUST DIM. WHEN ONLY ONE HEADLIGHT GOES OUT, TURNING THE HEADLIGHT SWITCH OFF THEN BACK ON WILL RE-IGNITE THE HEADLIGHT. WHEN BOTH HEADLIGHTS GO OUT, THEY WILL NOT COME BACK ON BY TURNING THE SWITCH OFF AND ON. IT TAKES 4 OR 5 ATTEMPTS AT SWITCHING OFF/ON BEFORE THEY COME BACK ON. I MUST DRIVE AT NIGHT TIME, AND THIS PROBLEM CAUSES ME TO BE PLUNGED INTO DARKNESS SUDDENLY WHILE DRIVING (A VERY DANGEROUS AND FRIGHTENING EXPERIENCE). THE DEALER DID NOT KNOW THE CAUSE OF THE PROBLEM, BUT WAS VERY WILLING TO SELL ME 2 HEADLIGHT BULBS FOR $790.00 AND IF THAT DID NOT FIX THE PROBLEM, COME BACK AND BUY 2 CONTROL UNITS FOR $950.00. *TR

Engine and Engine Cooling
Filed Feb 26, 20086,500 milesLA

2004 TOYOTA PRIUS STALLING. AFTER SPEAKING W/ THE TOYOTA CONSUMER HELPLINE, I'VE LEARNED THAT THE COULD PUT A PROGRAM IN THE COMPUTER THAT GIVES YOU ENOUGH TIME TO PULL TO THE SIDE OF THE ROAD BEFORE YOU STALL. I RESPONDED THAT THERE ISN'T ALWAYS A SHOULDER TO PULLOVER TO. I STARTED GETTING WARNING LIGHTS AT 6,500 MI. I NOW HAVE 36,880 MI. IN THE BEGINNING, THE LIGHTS WERE JUST A JOKE OR A NUISANCE WHEN I HAD TO BRING IT IN TO THE DEALER. ON NOV 11, I STALLED ALONG W/ WARNING LIGHTS. YOU CAN PULL OVER AND SHUT IT OFF,WAIT A MINUTE, RESTART AND DRIVE HOME WITH WARNING LIGHTS, BUT THEY GO OUT WHEN YOU START UP TO GO TO DEALER. I BROUGHT IT TO THEM ANYWAY, BUT AFTER THEY LOOKED AT THE CODES I WAS TOLD IT WAS SOFT CODES AND THAT THERE WAS NOTHING THAT THEY COULD DO FURTHER. IN DEC, I GOT THE WARNING LIGHTS, BUT NO STALL. I DROVE TO WORK AND BACK AND THE LIGHTS WENT OUT WHEN I STARTED UP TO GO TO DEALER . FEB 25 6:30 PM IN THE MERGE LANE OF THE I-10,WHERE THERE ISN'T A SHOULDER AND CARS ARE COMING 40 TO 50 MPH INTO THE LANE TO EXIT. HOW I DIDN'T GET REAR-ENDED, I CAN'T EXPLAIN. TURNED KEY OFF, RESTARTED AND DROVE HOME. LIGHTS WENT OUT WHEN IT CAME TIME TO DRIVE TO DEALER SUNDAY NIGHT FOR THEM TO CHECK OUT MON AM. I'M TRYING A NEW DEALER THURSDAY AND I HAVE CONTACTED TOYOTA CONSUMER LINE FOR ASSISTANCE. I NOT SURE HOW FAR ANYONE CAN FIX THIS ISSUE. THE SERVICE DEPT HAS UPDATED THE COMPUTER AND HAS GIVEN ME A NEW COMPUTER, BUT THEY DON'T HAVE AN ANSWER WHEN I INFORM THEM THAT THIS I

Electrical System
Filed Feb 19, 200845,000 milesIL

ON DECEMBER 25, 2007 WHEN I STARTED MY CAR IT LOCKED UP WITH A CHRISTMAS TREE LIKE EFFECT ALL OF THE LIGHTS CAME ON AND I COULD NOT SHUT THE CAR OFF. ALL OF THE GEARS WERE ENGAGED ACCORDING TO THE DISPLAY AND THE CAR WAS IN SLOOOOOW MOTION FORWARDS. NOT EVEN A CRAWLING SPEED. IMPERCEPTIBLY SLOW FORWARDS. IT WOULD NOT SHUT OFF NOR WOULD IT DO ANYTHING THAT WOULD ALLOW ME TO CONTROL THE MOTION OF THE CAR EXCEPT USE THE BRAKE TO HOLD IT IN PLACE. I HAD A SCAN GAUGE CONNECTED TO THE OBD PORT AND WAS ABLE TO PULL THE FOLLOWING CODES FROM IT: U0293 AND P0A1D. I HAVE BEEN TOLD THAT THE FIRST CODE MEANS LOST COMMUNICATION WITH HV ECU AND THE SECOND CODE MEANS HV ECU MALFUNCTION. THE OUTDOOR AIR TEMPERATURE WAS ABOUT 20 DEGREES FAHRENHEIT. ONLY THE USE OF THE SCAN TOOL CODE RESET ALLOWED ME TO POWER THE VEHICLE OFF. OTHERWISE I WOULD HAVE HAD TO PLACE THE VEHICLE UP AGAINST AN IMMOVABLE OBJECT TO KEEP IT UNDER CONTROL. *TR

Visibility
Filed Jan 24, 2008VA

THE MULTI-FUNCTION DISPLAY (MFD) FAILED. (CROSS REFERENCE NHSTA COMPLAINT #10173892). THIS IS A KNOWN DESIGN DEFECT (CROSS REFERENCE ANALYSIS ON WEB: HTTP://TECHNO-FANDOM.ORG/~HOBBIT/CARS/MFD/COMPARE.HTML AND HTTP://TECHNO-FANDOM.ORG/~HOBBIT/CARS/MFD/). TOYOTA ISSUED A TECHNICAL SERVICE BULLETIN (EITHER EL-002-04 OR EL-002-05 - CONFLICTING INFO ON THIS) ON JAN 10, 2005. WHEN THE MFD FAILS, ONE CANNOT CONTROL THE AMOUNT OF AIRFLOW TO THE WINDSHIELD (DEFROSTER). THIS PRESENTED ME WITH VISIBILITY PROBLEMS DURING THE MORNING COMMUTE. AS SUCH, I CONSIDER IT A SAFETY ISSUE. TOYOTA HAS BEEN AWARE OF THIS FOR 3 YEARS, GIVEN THE DATE OF THEIR TSB. THE ROOT CAUSE APPEARS TO BE AN UNDERSIZED SOLDER PAD ON ONE OF THE ELECTRONIC CARDS OF THE MFD. THIS RESULTS IN A CRACKING OF THE SOLDER JOINT. BECAUSE MY PROBLEM WAS INTERMITTENT, COMING AND GOING ON A FREQUENT BASIS, I PRESUME IT WAS A MICRO CRACK. THIS DOES NOT HELP WHEN THE WINDSHIELD IS FOGGING OVER. ALL OF THE VARIOUS ERROR MESSAGES THAT WERE DISPLAYED ON THE MFD WERE CONSISTENT WITH THE INFORMATION ON THE ABOVE REFERENCED WEB URL'S. THE PROBLEM IS WITH THE RELEASE F OF THE ELECTRONIC CARD ASSEMBLY AND WAS CORRECTED WITH RELEASE G. THERE ARE PICTORIAL COMPARISONS BETWEEN THE TWO RELEASES ON ONE OF THE WEB URL'S. GIVEN THAT THIS HAS AN IMPACT ON VISIBILITY DURING THE WINTER MONTHS, I AM SHOCKED THAT TOYOTA CHOSE TO SIT ON THIS PROBLEM. THE SUPPLIER OF THIS PART TO TOYOTA IS FUJITSU. *TR

Exterior Lighting › Headlights
Filed Jan 17, 200858,500 milesCA

HID HEADLAMPS CUT OUT WHILE DRIVING, CAUSING A POTENTIALLY SERIOUS SAFETY ISSUE. *TR

Exterior Lighting › Headlights
Filed Jan 10, 200898,450 milesMD

DRIVER SIDE HID HEADLIGHT GOES OUT, BUT REIGNITES (MOST OF THE TIME) AFTER HEADLIGHT SWITCH IS TURNED OFF AND THEN BACK ON. RECENTLY, THE DRIVERS SIDE LIGHT WAS OUT (AND WOULD NOT REIGNITES), AND THE PASSENGER SIDE LIGHT WENT OUT AS WELL, LEAVING ME WITHOUT HEADLIGHTS. THE PASSENGER SIDE LIGHT DID REIGNITES AFTER TURNING THE SWITCH OFF AND BACK ON. *TR

Exterior Lighting › Headlights
Filed Dec 17, 200789,000 milesVA

PASSENGER HEADLIGHT ON 2004 TOYOTA PRIUS GOES OUT INTERMITTENTLY. I HAVE NOTICED THIS ABOUT 8 TIMES. ON ONE OCCASION I WAS IN A VEHICLE IN FRONT OF THE PRIUS AND THE HEADLIGHT WENT OFF AFTER 15 MINUTES OF OPERATION. IT CAME BACK ON AFTER THE VEHICLE WAS TURNED OFF AND RESTARTED. I TOOK IT TO THE DEALER TODAY, EXPECTING A DIAGNOSIS AND THEY PUT IN A NEW HID BULB ($324.00). I HAD THEM SAVE THE OLD BULB BECAUSE I AM DOUBTFUL A NEW BULB WILL SOLVE WHAT APPEARS TO BE AN ELECTRICAL SHORT CIRCUIT PROBLEM. NOT HAVING BOTH HEADLIGHTS OPERATIONAL IS A SAFETY PROBLEM THAT NEEDS TO BE ADDRESSED WITH THE ROOT CAUSE ASCERTAINED AND REPAIRED BY THE MANUFACTURER. *TR

Service Brakes, Hydraulic › Antilock/Traction Control/Electronic Limited Slip
Filed Dec 5, 2007NY

TOYOTA PRIUS TRACTION CONTROL SYSTEM-IF YOU ARE GOING UP A HILL AND YOU LOOSE TRACTION DUE TO SNOW AND THE CAR STOPS. YOU CANNOT EVER GO FORWARD,IF THE TIRES ATTEMPT TO SPIN AT ANY LEVEL OG GAS/ELECTRIC THE RPM GOES TO ZERO. THE ONLY WAY TO MOVE THE CAR IS TO BACK DOWN THE HILL. NEED I SAY MORE. THE DEALER AGREES AND STATED TOYOTA NEVER GAVE US A FIX. WE HAVE THIS PROBLEM FOR YEARS. I HAVE TALKED TO OTHER PRIUS OWNERS AND THEY ALL SAY THE SAME ,YOU HAVE TO USE YOUR OTHER CAR. WHICH I DO. HOWEVER MY WIFE USED THE CAR LAST WEEK AND WE HAD SOME MINOR SNOW AND SHE WAS ON A HILL(GOING UP) FOR 2 HRS BEFORE SHE WAS ABLE TO BACK DOWN WHEN MORNING TRAFFIC SUBSIDED. THIS IS A 2004 PRIUS. THIS CAN BE A DANGEROUS SITUATION FOR A PERSON THAT IS UNCOMFORTABLE IN BACKING DOWN A HILL. *TR

Air BagsCrash1 injured
Filed Nov 29, 200762,000 milesMD

TL*THE CONTACT OWNS A 2004 TOYOTA PRIUS. THE CONTACT'S COMPUTER SYSTEM FAILED AND HE CRASHED INTO A TREE. NONE OF THE AIR BAGS DEPLOYED. THE VEHICLE WAS DESTROYED. THE CONTACT CUT HIS FOREHEAD AND SUSTAINED NECK AND BACK INJURIES. A POLICE REPORT IS AVAILABLE. THE PURCHASE DATE AND SPEED WERE UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 62,000.

Visibility › Windshield
Filed Nov 26, 2007CA

WITH 34,000 MILES ON MY 2004 PRIUS, THE GLASS HAS DEVELOPED SEVERE PITTING, NOT ONLY ON THE WINDSHIELD, BUT ON THEIR SIDE WINDOWS AS WELL. WHEN THE SUN HITS THE WINDSHIELD VISIBILITY IS GREATLY REDUCED. *TR

Electrical System › Software
Filed Oct 29, 200785,000 milesID

2004 PRIUS, 84,00 MILES. INTERMITTENT HEADLIGHT FAILURE, BOTH RIGHT AND LEFT. HEADLIGHT(S) WOULD GO OUT WHILE DRIVING AT NIGHT. DEALER SAID IT WAS HID COMPUTER AND THE REPAIR BILL IS $1140!!!! RESEARCHING ON INTERNET REVEALS THIS IS A COMMON PROBLEM. IT IS DEFINITELY SAFETY RELAYED AND I FEEL TOYOTA SHOULD MAKE THE REPAIR AT NO CHARGE. I'M NOT EXCITED ABOUT REPLACING THE COMPUTER NOT ONLY BECAUSE OF THE COST, BUT CAN I EXPECT THE PROBLEM TO REPEAT IN A FEW YEARS? *TR

Power Train › Automatic TransmissionCrash
Filed Oct 18, 2007PR

2ND OCCURRENCE OF TOYOTA PRIUS ACCELERATION. WHILE WIFE LEAVING DAUGHTERS SCHOOL, CAR ACCELERATED (PEDAL OFF THE ACCELERATOR!), SHE JAMMED ON BRAKES, BUT WAS CLOSE IN PROVOKING AN ACCIDENT ON MAIN STREET. THIS IS THE SECOND OCCURRENCE. FIRST TIME, SHE HIT A TAXI WHILE STOPPED IN A RED LIGHT. ACCIDENT WAS REPORTED BY POLICE (NO INJURIES). FIRST TIME TOOK CAR INTO THE DEALER (NO APPARENT PROBLEMS). PLANNING ON TAKING CAR AGAIN TO DEALER TOMORROW.!

Equipment › Electrical › Navigational System(global Positioning System)
Filed Aug 3, 200729,000 milesCA

2004 TOYOTA PRIUS WITH NAVIGATION SYSTEM PROBLEMS CUSTOMER STATES THAT NOW THE AC AND DEFROSTER DOES NOT WORK AND THE DEALERSHIP FIXED IT THANK YOU TO THE DEALERSHIP NOTE**NAR**CC THE CONSUMER STATED FROM TIME TO TIME THE RADIO WOULD TURN OFF AND IT WOULD HAVE TO BE TURNED BACK ON MANUALLY. THEN THE DISPLAY BEGAN TO ACT ERRATICALLY . THE AUDIO OFF WOULD APPEAR ON THE SCREEN AND THE RADIO WAS STILL PLAYING . THE CLIMATE CONTROL BECAME UNRESPONSIVE AND THE SCREEN DISPLAYED CHECK THE CONNECTION OF THE AIR CONDITION . WHEN THE CONSUMER PRESSED ANY OF THE BUTTONS ON THE DISPLAY, THEY WOULD NOT FUNCTION OR WOULD TAKE SECONDS TO COME UP AND USUALLY ONLY THE PERFORMANCE SCREEN OR THE RADIO SCREEN WOULD SHOW UP. THE PROBLEM WITH THE AIR CONDITION AND DEFROSTER WERE RELATED TO THE NAVIGATION SYSTEM THE CONSUMER DISCOVERED THERE WAS A FAULTY DESIGN WITH THE MODEL YEAR. *JB

Exterior Lighting › Headlights
Filed Jul 3, 200770,000 milesIL

TL*THE CONTACT OWNS A 2004 TOYOTA PRIUS. WHILE DRIVING IN ANY TYPE OF WEATHER, ONE HEADLIGHT WOULD DIM FOLLOWED BY THE OTHER. HOWEVER, BOTH HEADLIGHTS COULD DIM SIMULTANEOUSLY. THE FAILURE OCCURS INTERMITTENTLY. THE VEHICLE'S SPEED WAS NOT A FACTOR. DURING THE FAILURE, ALL OF THE OTHER LIGHTS WERE OPERATIONAL. THE CONTACT HAS HAD THE LIGHTS REPAIRED DUE TO SAFETY CONCERNS. THE CURRENT MILEAGE IS 90,000 AND FAILURE MILEAGE WAS 70,000.

Electrical System › 12v/24v/48v Battery
Filed Jun 14, 2007CA

AUXILIARY BATTERY ON TOYOTA PRIUS 2001 AND TOYOTA PRIUS 2004 FAIL IF THE CAR IS NOT DRIVEN AT LEAST EVERY 7-10 DAYS. THIS PREVENTS THE CAR FROM STARTING. WE PURCHASED A 2001 PRIUS USED IN MARCH 2004, AND A NEW 2004 PRIUS IN JUNE 2004. THE AUXILIARY BATTERY FAILED ON THE 2001 PRIUS TWICE, AND WE REPLACED IT ONCE. RECENTLY THE DEALER SERVICE REPRESENTATIVE TOLD ME THE BATTERY HELD A CHARGE UNLESS DRIVEN EVERY 7-10 DAYS, AND SHOULD BE DISCONNECTED"IF PARKED FOR PROLONGED TIME." THIS WAS POTENTIAL SAFETY PROBLEM FOR CAR NOT STARTING, SUCH AS IF RETURNING ON PLANE AFTER 2-3 WEEK VACATION AND NOT BEING ABLE TO START THE CAR, RISK FOR VULNERABILITY AWAITING JUMP START. TOYOTA'S ONLY RESPONSE WAS WELL, IT WAS A HYBRID. THEY CLAIMED THE HUNDREDS OF COMPUTERS IN THE CAR DRAINED THE BATTERY WHEN PARKED. THEY COULD HAVE DESIGNED IN SOME AUTOMATIC OR SIMPLE SWITCH TO ADDRESS THIS. ALSO, THEY COULD NOTIFY THE POTENTIAL CUSTOMER OF THIS DESIGN FLAW. THEY DID NOT INFORM US, OR ANY OF THE OTHER PRIUS OWNERS. WE HAVE RECENTLY DISCUSSED THE ISSUE WITH. THE OWNER'S MANUAL FOR 2001 MODEL MADE NO MENTION OF IT. IN THE 2004 MANUAL THERE WAS A BRIEF MENTION OF NEED TO DISCONNECT THE BATTERY IF PARKED FOR"PROLONGED TIME, BUT DID NOT DEFINE THAT. ALTHOUGH WE HAVE BEEN HAPPY WITH OTHER FEATURES OF THE PRIUS AND OTHER TOYOTAS WE OWNED IN THE PAST WE CONSIDERED THIS TO BE A SERIOUS AND RISKY DESIGN FLAW. FURTHERMORE, WE CONSIDERED TOYOTA'S SALES PEOPLE AND SALES BROCHURES FAILURE TO NOTIFY US OF THIS PRO

Electrical System › Instrument Cluster/Panel
Filed May 15, 2007CA

2004 TOYOTA PRIUS - DASHBOARD DESIGN DEFECT. I'VE BEEN TROUBLED BY THE EXTENT TO WHICH THE SPEEDOMETER DISPLAY IN MY 2004 PRIUS DIMS WHEN I USED SUN GLASSES. TODAY I TOOK A MOMENT AND ROTATED THE SUN GLASSES IN FRONT OF THE DISPLAY. MY EXPERIENCE TAUGHT ME THAT THE DISPLAY EMITS LIGHT. POLARIZED LENSES ARE ENGINEERED TO MINIMIZE TRANSMISSION OF THIS LIGHT. TOYOTA SHOULD CEASE USING DISPLAYS WITH THESE MISORIENTED DISPLAY ELEMENTS AS SOON AS POSSIBLE. I HAVE INFORMED TOYOTA. THEY RESPONDED: YOUR EMAIL HAS BEEN DOCUMENTED AT OUR NATIONAL HEADQUARTERS UNDER FILE #200705150093.*AK THIS SEEMED 'INADEQUATE' SO I'M SUBMITTING THIS TO YOU. IT WOULD BE PRETTY EXPENSIVE TO REPLACE ALL OF THE POORLY DESIGNED ELEMENTS NOW IN SERVICE.

Electrical System
Filed May 8, 200778,800 milesTX

WHILE DRIVING PRIUS ON MAJOR HIGHWAY IN DFW METROPLEX DURING EVENING RUSH HOUR THE WARNING LIGHT CAME ON, THEN A COUPLE SECONDS LATER, ENTIRE DASH BOARD INFORMATION SCREEN AND ALL WARNING LIGHTS FLASHED. CAR ENGINE CONTINUED TO RUN, AND WOULD NOT TURN OFF, BUT NO POWER WAS AVAILABLE TO STEERING OR BRAKES. THIS PROBLEM OCCURRED AT THE APEX OF A BRIDGE. HOWEVER, WAS ABLE TO COAST THE CAR INTO THE MEDIAN BETWEEN THE MERGE RAMP OF THE MAJOR HIGHWAY AND THE INTERSTATE. VERY DANGEROUS SITUATION IF IT HAD OCCURRED BEFORE APEX OF THE BRIDGE. )CALLED THE DEALERSHIP, WHO IN TURN, CALLED A TOW TRUCK. HAD TO BASICALLY PLAY WITH POWER BUTTON, BRAKE, AND GEAR SHIFT TO GET IT INTO NEUTRAL SO THE CAR COULD BE LOADED ONTO THE TOW TRUCK. TOOK DEALER THREE DAYS TO DIAGNOSE THE PROBLEM. IT WAS BLAMED ON A SHORT IN AUXILIARY BATTERY. HOWEVER, IT SEEMED TO BE WORKING OKAY. THIS WAS THE THIRD TIME OCCURRENCE SUCH AS THIS HAPPENED TO THIS CAR, AS WELL AS A NON-FUNCTIONING DRIVER INFORMATION SCREEN, THAT IF THE CAR WAS HOT INSIDE THEN INFORMATION SCREEN WORKED, IF NO, THEN THE SCREEN STATED NO CONNECTION TO AIR CONDITIONING , WHICH OCCURRED SINCE FIRST TIME THE SHUT DOWN HAPPENED. THOUGHT THIS PROBLEM WAS SUPPOSED TO BE FIXED WITH THE SOFTWARE UPGRADE THAT THEY INSTALLED AFTER THE LAST OCCURRENCE. IT APPEARED THAT THIS DEFECT HAPPENED EVERY 18,000 MILES . NOW THERE IS 79,000 MILES ON THE CAR.*AK

Exterior Lighting › Brake Lights › Switch
Filed May 2, 2007CO

WITH LIGHT BRAKING I CAN STOP MY 2004 PRIUS WITHOUT EVER ILLUMINATING THE BRAKE LIGHTS. THIS RISKS A REAR END COLLISION. THE LIGHTS ILLUMINATE AFTER THE BRAKE PEDAL HAS BEEN DEPRESSED A LITTLE MORE THAN 1/2 INCH. THE SERVICE MANAGER AT MY DEALERSHIP CLAIMED THAT THERE WAS NO ADJUSTMENT AND WOULD NOT TAKE THE CAR INTO THE SHOP. AN INCIDENT DATE, AS REQUIRED ON THIS FORM, IS NOT APPLICABLE. THIS IS HAPPENING EVERY TIME I BRAKE. *TR

Service Brakes, Hydraulic › Antilock/Traction Control/Electronic Limited Slip › Control Unit/Module
Filed Apr 29, 200783,668 milesCA

WARNING TRIANGLE, DASH LIGHTS-BRAKE, ABS, CAME ON ACCOMPANIED BY A LOUD WHINING SOUND. THE NEXT TIME I NEEDED TO USE THE BRAKES I DISCOVERED THAT THERE WAS TOTAL BRAKE FAILURE - PEDAL DOWN TO THE FLOOR WITH NO BRAKES. I WAS VERY FORTUNATE THAT I WAS ABLE TO ROLL TO A STOP. I TOOK THE CAR TO AUBURN TOYOTA (IN CA) AND THEY SAID IT WAS A SKID CONTROL ECU FAILURE. THEY REPLACED IT AT A TOTAL COST OF $1868.74. *TR

Electrical System › Instrument Cluster/Panel
Filed Mar 15, 200741,500 milesVA

2004 TOYOTA PRIUS: DISPLAY SCREEN HAS STOPPED WORKING. NO SCREEN CAPABILITY OR ACCESSORY BUTTONS OPERATE. DEALER HAS ORDERED A 'CROSSOVER' UNIT, BUT IT HAS NOT ARRIVED TO DATE (ALMOST THREE WEEKS). NEW UNIT COSTS OVER $2000. VEHICLE WAS NOT INVOLVED IN ANY INCIDENT. DEALER BELIEVES IT IS A SOFTWARE PROBLEM. *JB

Service Brakes, Hydraulic › Antilock/Traction Control/Electronic Limited Slip
Filed Feb 21, 200749,000 milesPA

TL*- THE CONTACT CALLED REGARDING THE 2004 TOYOTA PRIUS. THE CONTACT STATED HE WAS TRAVELING UP A HILL AT 10-15 MPH WITH ICY ROAD CONDITIONS AND THE ANTI-SKID CONTROL ENGAGED AND ALL FOUR WHEELS ON THE VEHICLE LOCKED. THE CONTACT PRESSED THE GAS PEDAL. HOWEVER, THE VEHICLE WOULD NOT MOVE. THE VEHICLE DID NOT LOSE POWER. THE CONTACT STATED HE HAD TO BACK THE VEHICLE UP IN ORDER FOR THE WHEELS TO EVENTUALLY GO FORWARD. THE CONTACT CALLED THE DEALER, TESTED A PRIUS AND HAD THE SAME TYPE FAILURE. THE DEALER STATED THAT WAS THE NORMAL OPERATION OF THE VEHICLE. THE FAILURE MILEAGE WAS 49,000. *AK UPDATED 03/19/07. *JB

Reading these

NHTSA publishes every complaint as the owner wrote it and investigates only a fraction. Spelling, capitalisation and judgement are the filer’s own. What carries weight is repetition: the same component failing the same way across many filings, and whether the manufacturer eventually opened a recall for it.

Full record for the 2004 Toyota Prius → · Every Prius year → · How the figures are calculated →