Major Problems with 2004 Toyota Prius Derived from Complaints & Recalls

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Worst 3 complaints of 2004 Toyota Prius

2004 Toyota Prius CONTROL UNIT/MODULE Victims: 4 Mileage: 186000 miles

2004 Toyota Prius ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP Victims: 3 Mileage: 120000 miles

2004 Toyota Prius VEHICLE SPEED CONTROL Victims: 2 Mileage: 3000 miles

Browse 2004 Toyota Prius complaints by category

Problems with EXTERIOR LIGHTING, ELECTRICAL SYSTEM and VEHICLE SPEED CONTROL are the most frequent issues recorded by the NHTSA from Toyota Prius owners.

Problem Category	Number of Problems
EXTERIOR LIGHTING driver's side high intensity discharge headlamp began switching off about a month ago. last weekend while traveling at night the...	160 ~ 105070 miles
ELECTRICAL SYSTEM 2004 prius- warning lights--including master warning-- appeared on dash and computer. vehicle lost power and could not be shut down...	149 ~ 54781 miles
VEHICLE SPEED CONTROL dt: contact has a 2004 toyota prius and while driving the vehicle it has failed on two separate occasions....	47 ~ 49375 miles
ENGINE AND ENGINE COOLING while driving vehicle stalled. consumer restarted the vehicle and pulled over. consumer noticed all warning light appeared on the dashboard...	45 ~ 24024 miles
ENGINE > ENGINE AND ENGINE COOLING 2004 toyota prius died at 65 mph on i-395 carpool lanes. multiple warning lights flashed on. was able to coast...	29 ~ 8094 miles
SERVICE BRAKES, HYDRAULIC reported to toyota on 2/7/04 file #200402110133. while driving on the highway 70mph cruise control on both my wife and...	24 ~ 47637 miles
POWER TRAIN my daughter was driving my 2004 prius on i35w at 55 mph when several red warning lights came on and...	18 ~ 61699 miles
SERVICE BRAKES tl* the contact owns a 2004 toyota prius. the contact stated that while driving 20 mph he depressed the brakes...	17 ~ 127213 miles
HEADLIGHTS > EXTERIOR LIGHTING headlights unexpectedly aim downward in my 2004 prius equipped with the high intensity arc headlights. this causes a serious dangerous	17 ~ 74206 miles
AIR BAGS the side air bags did not deploy. the vehicle was broadsided on the drivers side. sc jb...	16 ~ 83553 miles
GASOLINE > ENGINE > ENGINE AND ENGINE COOLING 5/6/05 my 2004 prius with 20 400 miles without warning loss all power and shut down while driving hazard light...	15 ~ 14799 miles
SERVICE BRAKES, ELECTRIC driving on bay bridge sf ca at 10:00 am going 50 mph. the following lights showed on dash care lost...	13 ~ 84541 miles
AUTOMATIC TRANSMISSION > POWER TRAIN dt: the consumer owns a 2004 toyota prius. he says that he is having problems with the vehicle because it...	12 ~ 32122 miles
UNKNOWN OR OTHER i have a 2004 prius. (your sustem does not show a prius so i checked the toyota matrix box since...	12 ~ 32040 miles
12V/24V/48V BATTERY > ELECTRICAL SYSTEM while driving the vehicle at 60 mph. the vehicle completely shut down. the consumer pressed on the accelerator pedal for...	10 ~ 6740 miles
INSTRUMENT CLUSTER/PANEL > ELECTRICAL SYSTEM 2004 toyota prius hesitates when trying to accelerate. instrumental panel light and slip indicator came on then vehicle resumes full	10 ~ 24330 miles
ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP > SERVICE BRAKES, HYDRAULIC while driving under normal conditions i experienced a major brake malfunction (brakes barely responded at all--only by pushing brake pedal...	9 ~ 33252 miles
ENGINE my 24 yr. old child was driving out of a driveway at 5 mph when the car stopped and all...	8 ~ 94996 miles
STEERING consumer complaint concerning 2004 prius transmission. *ts the consumer had problems starting in low gear on a hill. the consumer...	7 ~ 115140 miles
ELECTRONIC STABILITY CONTROL repeated braking at slow speeds resulted in both abs and brake on signals owner's manual says stop driving and contact...	6 ~ 50742 miles
ELECTRICAL > EQUIPMENT driver-side hid headlamp in 2004 toyota prius was noticed to be very very dim (effectively off) around 2008/10/14. turning headlamps...	6 ~ 62692 miles
VISIBILITY the multi-function display (mfd) failed. (cross reference nhsta complaint #10173892). this is a known design defect (cross reference analysis on...	6 ~ 33775 miles
COOLING SYSTEM > ENGINE AND ENGINE COOLING failure of inverter/converter coolant pump. hybrid vehicle has 2nd coolant loop for high voltage inverter/converter. failure of inverter/converter coolant pump...	5 ~ 115196 miles
EQUIPMENT i would like to report a stalling i experienced while driving our toyota prius (2004) the car stalled a little...	5 ~ 15400 miles
FUEL/PROPULSION SYSTEM my 2004 prius's check engine light turns on randomly wnd often and i lose full power of the car. the...	4 ~ 113750 miles
FUEL SYSTEM, GASOLINE tl* the contact owns a 2004 toyota prius. while driving between 40-45 mph the gasoline motor would fail and then...	4 ~ 43653 miles
TRACTION CONTROL SYSTEM tl* the contact owns a 2004 toyota prius. the contact was driving approximately 25 mph on a road covered with...	4 ~ 49005 miles
ACCELERATOR PEDAL > VEHICLE SPEED CONTROL the acclerator stuck continuously causing the vehicle to stall and shutdown. dealer has been unable to duplicate the problem and	4 ~ 30642 miles
PARKING BRAKE the consumer started the vehicle and noticed that the steering was very difficult. after driving for two blocks the dash...	3 ~ 47200 miles
REAR/OTHER > SEAT BELTS on the toyota 2004 prius the left rear and center rear seat belt buckels are interchanged. the left rear buckel...	3 ~ 26667 miles
SOFTWARE > ELECTRICAL SYSTEM 2004 prius 84 00 miles. intermittent headlight failure both right and left. headlight(s) would go out while driving at night....	2 ~ 42500 miles
CONTROL UNIT/MODULE > ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP > SERVICE BRAKES, HYDRAULIC warning triangle dash lights-brake abs came on accompanied by a loud whining sound. the next time i needed to use...	2 ~ 134834 miles
SWITCH > BRAKE LIGHTS > EXTERIOR LIGHTING with light braking i can stop my 2004 prius without ever illuminating the brake lights. this risks a rear end...	2 ~ 34000 miles
ABS WARNING LIGHT > ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP > SERVICE BRAKES, HYDRAULIC 2004 prius hybrid abs and other dash lights illuminated . problem was fixed per mechanic 15 days later lights illuminated.	2 ~ 42190 miles
FUEL SYSTEM, OTHER 1) after breaking gently to a stop the car switched to battery-mode and reported errors including "check engine" 2) the...	2 ~ 6425 miles
NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM) > ELECTRICAL > EQUIPMENT consumer stated while traveling 40 mph all of a sudden the lights illuminated on the dashboard and then everything shut...	2 ~ 17900 miles
ALTERNATOR/GENERATOR/REGULATOR > ELECTRICAL SYSTEM omg omg its so fresh in my mind!. i was terrified. my daughter(oldest) was in a terrible car accident and...	2 ~ 108523 miles
CONTROL MODULE (TCM, PCM) > AUTOMATIC TRANSMISSION > POWER TRAIN my toyota prius stalled while moving at about 35-40 mph in city traffic in chandler arizona. the emergency light came...	2 ~ 43400 miles
WIRING > ELECTRICAL SYSTEM have a 2004 toyota prius. less than 40 000 miles on the car. was driving on the freeway and it...	2 ~ 3500 miles
IGNITION > ELECTRICAL SYSTEM the consumer started the vehicle and noticed that the steering was very difficult. after driving for two blocks the dash...	2 ~ 7800 miles
FUEL GAUGE SYSTEM > STORAGE > FUEL SYSTEM, OTHER the fuel indicator malfunctions during the winter months. it starts to show empty gas tank when it is 1/2 full....	2 ~ 5 miles
FRONTAL > AIR BAGS while traveling 25 mph consumer's vehicle proceeded to strike another vehicle . upon impact air bags did not deploy. also...	2 ~ 4250 miles
SUSPENSION 1. the toyota prius has an alignment defect that wore out my tires prematurely. . the car rode on the...	2
SIDEWALL > TIRES 1. the toyota prius has an alignment defect that wore out my tires prematurely. . the car rode on the...	2
AUTOMATIC (ASC) > ELECTRONIC STABILITY CONTROL dt: consumer had 2 episodes of engine stalling. the 1st time consumer's vehicle was passing another vehicle when another vehicle...	2 ~ 15875 miles
TIRES at 8000 miles the goodyear integrity 185/65 r 15 tires have no traction when roads are wet or slippery resulting	2
STRUCTURE 2004 toyota prius. failure to seal the cabin and under dash areas from open access allowed small rodents to enter...	2 ~ 70211 miles
WHEELS contacts stated water pump and alternator stopped working twice on i'-5 towed to toyota tacoma where they flushed fuel billed...	1 ~ 217029 miles
VISIBILITY/WIPER my 2004 prius has a touch screen display that controls many functions including climate controls. on a recent morning i...	1 ~ 118000 miles
DEFROSTER/DEFOGGER/HVAC SYSTEM > VISIBILITY tl* the contact owns a 2004 toyota prius. the contact stated that the multi-display module for the heater and defroster...	1 ~ 28000 miles
SEAT BELTS tl* the contact owns a 2004 toyota prius. the contact was driving 20 mph and crashed into the rear of...	1 ~ 134000 miles
LATCHES/LOCKS/LINKAGES the smart key on my 2004 toyota prius locked the doors on its own even while in the car. i...	1 ~ 75500 miles
MANUAL TRANSMISSION > POWER TRAIN when the car is cold the gear shifter won't stay in forward or reverse without being held down manually. it	1 ~ 150000 miles
POWER WINDOW DEVICES AND CONTROLS > VISIBILITY about 40% of the time my toyota prius doesn't want to stop or slow down when the brakes are applied....	1 ~ 68000 miles
FAN > COOLING SYSTEM > ENGINE AND ENGINE COOLING about 40% of the time my toyota prius doesn't want to stop or slow down when the brakes are applied....	1 ~ 68000 miles
SEATS driver's front seat frame failed upon rear impact. car was stopped impact was at approximately 25mph. the seat back portion...	1 ~ 80312 miles
LAMP > BRAKE FLUID LOW WARNING > SERVICE BRAKES, HYDRAULIC tl*the contact owns a 2004 toyota prius. while driving 60 mph all of the brake warning lights illuminated on the	1 ~ 42980 miles
WINDSHIELD > VISIBILITY with 34 000 miles on my 2004 prius the glass has developed severe pitting not only on the windshield but	1
HYDRAULIC POWER ASSIST SYSTEM > STEERING i have a 2004 toyota prius i purchased used last feb (06). starting the car does not immediately bring up...	1
GEAR POSITION INDICATION (PRNDL) > AUTOMATIC TRANSMISSION > POWER TRAIN the prius uses a lever and gate to shift the transmission into gear. on my prius the lever stuck in...	1 ~ 80845 miles
TAIL LIGHTS > EXTERIOR LIGHTING tail lights on my '04 prius are slowly melting and as a result the decorative black plastic inside the assembly...	1 ~ 50000 miles
DELIVERY > FUEL SYSTEM, GASOLINE dt:two weeks ago the consumer was driving her 2004 toyota prius at 50 mph and it died. luckily it was...	1 ~ 10000 miles
FRONT UNDERHOOD > WIRING > ELECTRICAL SYSTEM dt: the contact owns a 2004 toyota prius. he states that vehicle lost power while traveling at high speeds.the incident...	1 ~ 5396 miles
INTERIOR/UNDER DASH > WIRING > ELECTRICAL SYSTEM while driving 35 mph the dashboard lights flashed and the vehicle shut off. dealer stated the vehicle's software needed to	1 ~ 3300 miles
LOCK > HATCHBACK/LIFTGATE > LATCHES/LOCKS/LINKAGES in the 2004 toyota prius there is a button on both back seats by the headrests that unlatches the seatback....	1
TREAD/BELT > TIRES dt: the contact stated the tires are shouldering on vehicle. the edges of the tire on the inside and outside...	1
FRONT > SEAT BELTS while traveling 25 mph consumer's vehicle proceeded to strike another vehicle . upon impact air bags did not deploy. also...	1 ~ 8500 miles
CALIPER > DISC > FOUNDATION COMPONENTS fluid on left rear tire rim and loss of hub cap. discovered leaking brake cylinder assembly and soaked disk brake...	1 ~ 11906 miles
TANK ASSEMBLY > STORAGE > FUEL SYSTEM, GASOLINE dt: the consumer owns a 2004 toyota prius. he says that he is having problems with the vehicle because it...	1
BRAKE LIGHTS > EXTERIOR LIGHTING 1) on a 95 degree day the car was parked in the sun. 2) brake light assembly deformed in the...	1

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