111 complaints reported

2004 Toyota Prius Electrical System

Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.

Reports
111
Crashes
0
Fires
2
Injuries
0

Complaint Timeline

Chronological view of owner reports

Nov 2010

MY MULTI FUNCTION DISPLAY HAS FAILED ON ME FOR THE PAST THREE YEARS. THIS IS A VERY COMMON PROBLEM FOR TOYOTA PRIUS OWNERS. THIS MEANS I HAVE HAD NO NAVIGATION, AIR CONDITION/HEATING, RADIO/CD AND MORE DUE TO THIS DEFECTIVE DEVICE. THERE IS NO PHYSICAL DAMAGE TO THE SCREEN, AND THESE SCREENS SEEM TO FAIL ONLY A FEW YEARS AFTER MANUFACTURED. IT APPEARS TO BE THE SAME EXACT SOLDER JOINT BREAKING IN EVERY SINGLE CASE TOO FROM WHAT I HAVE READ ONLINE. I CAN'T JUSTIFY BUYING A BRAND NEW SCREEN, ESPECIALLY SINCE I HAVE SPENT SO MUCH ON THIS ONE TO BEGIN WITH. *TR

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Jan 2007
Sep 2010

2004 TOYOTA PRIUS WITH COMPUTER PROBLEM. STARTED GETTING AN ERROR MESSAGE THAT AIR CONDITIONER WASN'T WORKING. THEN THE COMPUTER WOULD NOT GIVE THE GAS MILEAGE. THEN THE TEMP WOULDN'T SHOW. THEN COULDN'T USE THE RADIO (IT WOULD COME ONE BUT YOU COULDN'T SEE WHAT THE STATION WAS), NOW IT IS ALL BLANK. IT DOES NOT WORK AT ALL. THEN IT WORKS FOR 5 MINUTES ABOUT ONCE A QUARTER. CAN'T CONTROL AIR/HEAT, RADIO, CAN'T SEE MILEAGE, CAN'T SEE THE TEMP. TOOK IT TO DEALER AND THEY SAID THAT IT WOULD COST HUNDREDS OF DOLLARS TO DIAGNOSE IT. READ ON TOYOTA BOARD ONLINE THAT THIS IS COMMON PROBLEM THAT TOYOTA DOES NOT STAND BEHIND. I HAVE OWNED TOYOTAS SINCE 1980S AND HAVE 5 NOW (KIDS, WORK, ADULTS). I AM SATISFIED WITH ALL BUT THE 2004. I HAVE A 2005 PRIUS ALSO BUT NO PROBLEMS (SO FAR). *TR

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Jun 2008
Jan 2010

I OWN A 2004 TOYOTA PRIUS. JUST LAST WEEK THE TOUCH SCREEN THAT CONTROLS THE HEATING / AIR CONDITIONING, THE RADIO, THE CURRENT MPG INFORMATION AND CONDITION OF THE NI-METAL HYDRIDE BATTERY AND THE GAS ENGINE INTERCONNECTIONS, BEGAN TO FAIL. SOMETIMES IT WORKS FOR A WHILE, THEN IT STOPS FOR SOME TIME THEN IT MIGHT OR MIGHT START WORKING AGAIN BEFORE I GET WHERE I AM GOING. IT IS EXTREMELY INTERMITTENT IN ITS CORRECT OPERATION. I HAVE READ ON THE INTERNET THAT MANY OTHER 2004 AND EARLY 2005 PRIUS OWNERS HAVE ENCOUNTERED THIS PROBLEM, BUT THAT TOYOTA IS REFUSING TO ISSUE A RECALL. THE NEW PART IS VERY EXPENSIVE (~$4,000). REFURBISHED PARTS ARE NOT READILY AVAILABLE FOR THE PRIUS, I SUPPOSE BECAUSE IT IS A RELATIVE NEW MODEL TO TOYOTA. I WANTED TO REPORT THIS TO YOU, IN THE HOPES THAT YOU MIGHT HAVE SOME WAY OF LETTING TOYOTAL KNOW THAT ONE MORE OWNER IS HAVING THIS PROBLEM. I DID NOT KNOW IF YOU CAN FORCE A MANUFACTURER TO ISSUE A RECALL WHEN A CERTAIN NUMBER OF OWNERS COMPLAIN, OR IF THIS IS ONLY THE CASE WHERE SAFETY IS INVOLVED. *TR REGARDS, DALE W. HOWARD

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Nov 2010
Nov 2009

FAILURE OF DASHBOARD MULTI-DISPLAY, ALONG WITH ALL ITS FUNCTIONS, INCLUDING NAV, CLIMATE, RADIO, FAULT NOTIFICATIONS. AND BLUETOOTH PHONE OPERATION. ON THE LATTER, THE PHONE WILL CONNECT, BUT NOT OPERATE, MAKING THIS A SAFETY ISSUE. THERE IS A TSB ON THIS ISSUE. DISPLAY WAS REPLACED BY DEALER UNDER EXTENDED WARRANTY. REPLACEMENT TOOK ABOUT 4 WEEKS TO ARRIVE. DEALER SAID TOYOTA WAS SWITCHING TO A "OUT-OF-WARRANTY EXCHANGE" POLICY FOR THIS REPAIR, MEANING THAT THE OWNER WOULD HAVE TO PUT UP WITH A BIG HOLE IN THE DASHBOARD WITH LOOSE CONNECTORS WHILE THE UNIT WAS BEING REPAIRED. *TR

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Jan 2009
Oct 2009

I AM HAVING THE SAME PROBLEM DESCRIBED HERE: 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

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Oct 2009
Aug 2009 Fire

TL*THE CONTACT OWNS A 2004 TOYOTA PRIUS. WHILE DRIVING BETWEEN 65-70 MPH, THE VEHICLE SUDDENLY STALLED AND SHUT OFF COMPLETELY. THE ELECTRONICS OF THE VEHICLE WERE STILL OPERATING, BUT THE VEHICLE ITSELF COULD NOT BE RESTARTED. THE VEHICLE THEN SHIFTED ITSELF INTO PARK. THE HAZARD LIGHTS IN THE VEHICLE BEGAN RUNNING OFF THE AUXILIARY BATTERY, WHICH IS A LOW POWER BATTERY. IN ADDITION, THE HAZARD LIGHTS TURNED OFF. THE CONTACT CALLED TOYOTA, BUT THEY WERE UNABLE TO ASSIST. THE VEHICLE WAS TOWED TO A DEALER. THE BATTERY WAS JUMPED AND THE VEHICLE WAS RESTARTED. A DIAGNOSTIC WAS PERFORMED AND THE VEHICLE RAN NORMALLY FOR SIX WEEKS BEFORE THE FAILURE RECURRED. THE VEHICLE WAS TOWED TO A LOCAL DEALER AGAIN AND THEY STATED THAT THERE WAS SMOKE COMING FROM THE FUSE BOX, WHICH MEANT A FUSE WAS BLOWN. AFTER REPLACING THE FUSE BOX, THE VEHICLE PERFORMED NORMALLY. THE TECHNICIANS WERE UNABLE TO FIND ANY OTHER FAILURES WITH THE VEHICLE; HOWEVER, THE CONTACT DOES NOT WANT TO DRIVE IT DUE TO FEAR OF THE FAILURE RECURRING. THE VEHICLE HAS BEEN REPAIRED, BUT IS STILL AT THE DEALER. THE FAILURE MILEAGE WAS 46,000 AND CURRENT MILEAGE WAS 47,500.

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Mar 2009
Aug 2009

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

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Jan 2009
Mar 2009

THE INFORMATION SCREEN ON '04 AND '05 TOYOTA PRIUSES FAILS. TOYOTA HAS KNOWN ABOUT THIS FOR SOME TIME (THEIR TECHNICAL SERVICE BULLETIN EL 005-02). NOT ONLY IS IT NO LONGER POSSIBLE TO FULLY CONTROL THE SOUND SYSTEM AND THE HEATING/COOLING CONTROLS, BUT THE NAV SYSTEM NO LONGER OPERATES. AND MOST IMPORTANT FROM A SAFETY POINT OF VIEW, THE WARNING THAT SOUNDS AND SHOWS WHEN A DOOR IS OPENED AND THE TRANSMISSION IS STILL ENGAGED (SOMETHING EASY TO DO IN A PRIUS) NO LONGER OPERATES. NOR DOES A MESSAGE SHOW WHEN THE SYSTEM DETECTS SOMETHING WRONG WITH THE ENGINE MANAGEMENT SYSTEM. NOR DOES THE LOW FUEL MESSAGE SHOW. I HAVE TWO FRIENDS WITH EARLY 2004 PRIUSES AND BOTH OF THEM HAVE HAD THE SAME PROBLEM. THE COST OF A FIX FOR THIS DEFECTIVE PART IS OVER $800! *TR

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Oct 2009
Nov 2008

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

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Oct 2008
Oct 2008

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.

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Dec 2007
Mar 2008

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

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Jan 2008
Mar 2008

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

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Jan 2008
Feb 2008

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

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Dec 2007
Oct 2007

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

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Oct 2007
Jun 2007

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 PROBLEM TO BE A SIGNIFICANT BREACH OF GOODWILL AND RESPECT FOR CUSTOMER SAFETY AND SATISFACTION. *AK

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Apr 2007
May 2007

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.

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: May 2007
Mar 2007

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

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Feb 2007
Nov 2006

DT*: THE CONTACT STATED THE VEHICLE DID NOT START AFTER BEING PARKED OVERNIGHT. THERE WAS NO RESPONSE FROM EITHER THE ENGINE OR ELECTRICAL SYSTEM. THE VEHICLE WAS JUMP-STARTED AND TAKEN TO A SERVICE DEALER, WHERE THE VEHICLE FAILED AGAIN. THE DEALER WAS UNABLE TO DETERMINE THE PROBLEM. THE MANUFACTURER WAS NOTIFIED, WHO STATED THAT THE FAILURE WAS DUE TO DRIVER ERROR.

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Nov 2006
Nov 2006

TOUCH SCREEN ON 2004 TOYOTA PRIUS IS DEFECTIVE AND FAILS TO WORK WHICH LEAVES ME WITH NO HEAT AT TIMES AND INABILITY TO SEE IF MY BATTERY IS OPERATING PROPERLY, THIS IS AN ONGOING TOYOTA PROBLEM WITH COMPLAINTS ALL OVER THE WEB BY PRIUS OWNERS. *JB

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Jul 2006
Jul 2006

2004 TOYOTA PRIUS ELECTRICAL PROBLEMS. I HAVE BEEN EXPERIENCING SEVERE ELECTRICAL PROBLEMS WITH MY 2004 TOYOTA PRIUS AND THEY HAVE GOTTEN MORE SEVERE AFTER THE TOYOTA DEALER UPLOADED NEW CODE THAT WAS SUPPOSED TO FIX A RECALL. PROBLEMS INCLUDE LOSS OF DISPLAY, LOSS OF CONTROL OF CLIMATE SYSTEM, RADIO TURNS ITSELF OFF, AND OCCASIONALLY THERE IS LOSS OF POWER AT LOW SPEEDS WHICH IS SOMETIMES FIXED BY A REBOOT OF THE CAR. AFTER THE LAST LOSS OF POWER, THE CAR THEN RESPONDED BY THE GAS ENGINE REVVING VERY HIGH AND NOT RESPONDING TO THE GAS PEDAL - YET THE CAR WAS NOT TRAVELING ANY FASTER. *NM

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Jul 2006
Jul 2006

DT*: THE CONTACT STATED ON DECEMBER 6 2005, A RECALL REMEDY WAS PERFORMED FOR THE ENGINE. IN JANUARY, ALL THE WARNING LIGHTS IN THE VEHICLE ILLUMINATED. THE VEHICLE WAS TAKEN TO A SERVICE DEALER AND THE PROBLEM WITH THE WARNING LIGHTS WAS FIXED. HOWEVER, THE WARNING LIGHTS DEFECT RECURRED IN BOTH FEBRUARY AND MARCH. THE DEALER WAS CONSULTED AFTER THE SECOND RECURRENCE AND WAS UNABLE TO DETERMINE THE CAUSE OF THE PROBLEM. UPDATED 3/29/2006 - THE ABS LIGHT ILLUMINATED IN THE VEHICLE . THE VEHICLE WAS TAKEN TO THE DEALER SEVERAL TIMES FOR THEM TO FIX THE PROBLEM. EACH TIME THE VEHICLE WAS RETURNED TO THE CONSUMER THE PROBLEM RECURRED. *NM

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Feb 2006
Mar 2006

DT*: THE CONTACT STATED WHILE DRIVING 35MPH, THE MASTER WARNING AND CHECK ENGINE LIGHT ILLUMINATED FOLLOWED BY THE VEHICLE OPERATING AT A REDUCED SPEED. THE VEHICLE CONTINUED OPERATION FOR ABOUT A MILE BEFORE EVENTUALLY STALLING. THE VEHICLE WOULD NOT RESTART, BUT REMAINED IN ELECTRIC MODE. THE VEHICLE WAS TOWED TO A DEALER WHERE IT IS CURRENTLY AWAITING INSPECTION. *AK CONTACT REQUESTED TO DELETE THE COMPLAINT FROM THE SYSTEM BECAUSE IT WAS A MISTAKE. *AK

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Mar 2006
Feb 2006

DT*: THE CONTACT STATED WHEN THE WEATHER IS 10 DEGREES AND BELOW, THE INSTRUMENT PANEL DID NOT ILLUMINATE OR PROVIDE READINGS. THIS IS ESPECIALLY DIFFICULT IN DRIVING CONDITIONS BECAUSE THE SPEED OF THE VEHICLE CAN NOT BE READ. THE VEHICLE DISPLAYED THE SAME PROBLEM SEVERAL MONTHS AGO, AGAIN IN FRIGID WEATHER OF 10 AND BELOW. THE DEALER WAS NOTIFIED AND REPLACED THE NAVIGATION SYSTEM. AFTER REPAIRS WERE MADE, THE WEATHER WAS WARMER AND THE CONTACT WAS NOT ABLE TO CONFIRM THAT THE PROBLEM STILL EXISTED. THE MANUFACTURER WAS CONTACTED AND REPLIED THIS WAS A NORMAL CHARACTERISTIC OF THE VEHICLE.

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Feb 2006
Jan 2006

MY 2004 TOYOTA PRIUS ELECTRICAL DISPLAY (TOUCH SCREEN) HAS 'SHORTED OUT' WITH A LOUD TICKING NOISE THROUGH THE SPEAKERS. IT HAS BEEN IN THE SPRINGFIELD, VA TOYOTA SHOP TWICE, AND IT IS CONTINUING TO HAPPEN. THE SCREEN GOES DARK, AND THEN THERE IS NO ACCESS TO THE DEFROSTER, GPS, ETC. THEY ALL BECOME NON-FUNCTIONAL. *JB

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Jul 2006
Dec 2005

ON THREE OCCASIONS MY 2004 PRIUS HAS STARTED WITHOUT PUSHING THE "START" BUTTON. ON 11/19/05 TWO PEOPLE HAD GOTTEN INTO THE BACK SEAT AND CLOSED THE DOORS. I WAS STANDING BEHIND THE CAR. IT WAS AT NIGHT. AS I SLAMMED THE HATCH BACK DOOR SHUT I COULD SEE THE DISPLAY PANEL LIGHT UP IN THE DARK AND HEAR THE CAR START. WHEN I GOT IN THE CAR I ONLY HAD TO PUT THE CAR IN REVERSE TO PULL OUT. THE DEALER SAID THIS WASN'T POSSIBLE. *NM

Type: Vehicle, Vehicle: 2004 TOYOTA PRIUS, Manufacturer: Toyota Motor Corporation
Incident: Nov 2005

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Quick Summary

The 2004 Toyota Prius has 111 Electrical System complaints on file. Review the timeline above for detailed owner experiences.