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2004 Toyota PRIUS: complaints, problems and recalls

Explore the records behind recurring owner reports.

Key facts

610 owner complaints analyzed

6 distinct recall campaigns

72,436 mi median reported failure mileage

Scope: 2004 model year. Data snapshot: . 503 complaints include usable failure mileage.

Owner-reported patterns

Most common problems

Exterior Lighting is the most frequently named component, appearing in 164 of 610 complaints (26.9%). A complaint can name multiple components.

Recurring terms in complaint narratives
TopicMatching reportsShare of complaints
Braking behavior12921.1%
Engine operation9615.7%
Electrical and battery issues8814.4%
Transmission and shifting203.3%
Steering behavior183.0%
Fuel system concerns50.8%

Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.

Component breakdown

Number of unique complaints naming each component. Top eight shown.

Exterior Lighting
164
Electrical System
153
Vehicle Speed Control
48
Engine And Engine Cooling
45
Engine And Engine Cooling:Engine
29
Service Brakes, Hydraulic
24
Service Brakes
21
Power Train
18
Component breakdown data
CategoryCount
Exterior Lighting164
Electrical System153
Vehicle Speed Control48
Engine And Engine Cooling45
Engine And Engine Cooling:Engine29
Service Brakes, Hydraulic24
Service Brakes21
Power Train18

Exterior Lighting: 164; Electrical System: 153; Vehicle Speed Control: 48; Engine And Engine Cooling: 45; Engine And Engine Cooling:Engine: 29; Service Brakes, Hydraulic: 24; Service Brakes: 21; Power Train: 18

Reported problems by failure mileage

Complaint counts in mileage bands. These are not failure rates per vehicle or mile.

Under 25,000
148
25,000 to 49,999
56
50,000 to 74,999
53
75,000 to 99,999
75
100,000 to 149,999
106
150,000 and above
65
Reported problems by failure mileage data
CategoryCount
Under 25,000148
25,000 to 49,99956
50,000 to 74,99953
75,000 to 99,99975
100,000 to 149,999106
150,000 and above65

Under 25,000: 148; 25,000 to 49,999: 56; 50,000 to 74,999: 53; 75,000 to 99,999: 75; 100,000 to 149,999: 106; 150,000 and above: 65

Under 25,000 miles has the most reports with usable mileage (148). 107 complaints have missing, zero or invalid mileage.

Complaints over time

Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.

2003
2
2004
13
2005
172
2006
20
2007
18
2008
26
2009
67
2010
106
2011
28
2012
37
2013
21
2014
14
2015
22
2016
9
2017
12
2018
18
2019
10
2020
6
2021
2
2022
5
2025
2
Complaints over time data
CategoryCount
20032
200413
2005172
200620
200718
200826
200967
2010106
201128
201237
201321
201414
201522
20169
201712
201818
201910
20206
20212
20225
20252

2003: 2; 2004: 13; 2005: 172; 2006: 20; 2007: 18; 2008: 26; 2009: 67; 2010: 106; 2011: 28; 2012: 37; 2013: 21; 2014: 14; 2015: 22; 2016: 9; 2017: 12; 2018: 18; 2019: 10; 2020: 6; 2021: 2; 2022: 5; 2025: 2

Pattern summary

Exterior Lighting leads the component reports. Braking behavior appears in 129 complaint narratives. Engine operation appears in 96 complaint narratives. Electrical and battery issues appears in 88 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.

Calculated from recorded counts. An AI narrative has not been published for this selection.

Examples from the source records

Examples provide context, not a representative sample or a verified diagnosis.

Owner report 10051359 · 2003-12-30 (December 30, 2003)

ON THE TOYOTA 2004 PRIUS THE LEFT REAR AND CENTER REAR SEAT BELT BUCKELS ARE INTERCHANGED. THE LEFT REAR BUCKEL IS POSITIONED IN A VERTICAL POSITION BETWEEN THE LEFT AND CENTER SEATS. THE CENTER REAR SEAT BELT BUCKEL (MARKED CENTER) IS ON A FABRIC STRAP THAT EMERGES BETWEEN THE LEFT REAR SEAT CUSHION AND THE LEFT REAR BACK CUSHION APPROXIMATELY TWO INCHES FROM THE RIGHT EDGE OF THE LEFTREAR SEAT CUSHION (IF YOU ARE NOT CAREFUL YOU WILL SIT ON IT WHEN YOU USE THE LEFT REAR SEAT). AS A RESULT IT IS DIFFICULT TO FASTEN THE SEAT BELTS SINCE THEY CR…

Owner-reported narrative. Look up ODI 10051359 at NHTSA ↗

Owner report 10051428 · 2003-12-31 (December 31, 2003)

I HAVE A 2004 PRIUS. (YOUR SUSTEM DOES NOT SHOW A PRIUS, SO I CHECKED THE TOYOTA MATRIX BOX, SINCE THE SYSTEM MADE ME CHECK SOME MODEL BOX.)THE TOYOTA NAVIGATION SYSTEM IS DEFECTIVE--IT DIRECTS TURNS ONTO NON-EXITENT ROADS. PEOPLE WILL DIE WHEN THEY FOLLOW THE SYSTEM'S DIRECTIONS AND DRIVE OFF ROAD AND CRASH. LETTERS TO TOYOTA HAVE GONE UNANSWERED. BY TELEPHONE TOYOTA ADVISES THAT THIS IS NOT THEIR PROBLEM.

Owner-reported narrative. 3,500 miles reported. Look up ODI 10051428 at NHTSA ↗

Owner report 10064064 · 2004-03-29 (March 29, 2004)

REPORTED TO TOYOTA ON 2/7/04 FILE #200402110133. WHILE DRIVING ON THE HIGHWAY, 70MPH, CRUISE CONTROL ON, BOTH MY WIFE AND MYSELF HAVE ACCIDENTALLY BUMPED THE GEAR SHIFT KNOB WITH OUR HAND AND PUT THE PRIUS INTO DYNAMIC BRAKING MODE (DBM). THE SEMI-TRUCK BEHIND ME ALMOST RAN ME OVER BEFORE I COULD GET THE CAR BACK INTO DRIVE. VERY DANGEROUS!!! THE BRAKE LIGHT DOES NOT COME ON DURING DBM. TOYOTA SHOULD CHANGE THE SOFTWARE TO MAKE A DELAY IN THE GEAR-SHIFT FOR DBM SIMILAR TO SHIFTING INTO NEUTRAL?*AK

Owner-reported narrative. 2,389 miles reported. Look up ODI 10064064 at NHTSA ↗

Owner report 10068301 · 2004-05-04 (May 4, 2004)

WHILE DRIVING UNDER NORMAL CONDITIONS, I EXPERIENCED A MAJOR BRAKE MALFUNCTION (BRAKES BARELY RESPONDED AT ALL--ONLY BY PUSHING BRAKE PEDAL TO FLOOR DID I MANAGE TO SLOW DOWN/STOP VEHICLE). A CONTINUOUS WARNING BUZZER SOUNDED, AND THE ABS WARNING LIGHT AND BRAKE WARNING LIGHT REMAINED ILLUMINATED ON DASH. VEHICLE HAD TO BE TOWED TO NEAREST DEALER. THIS COULD HAVE LED TO A CRASH AND INJURIES IF TRAFFIC HAD BEEN HEAVY. I BELIEVE THIS IS A MAJOR SAFETY ISSUE. THE PROBLEM WAS DIAGNOSED AS A "BRAKE ACTUATOR" FAILURE, AND THE PART(S) ARE CURRENTL…

Owner-reported narrative. 8,500 miles reported. Look up ODI 10068301 at NHTSA ↗

Owner report 10068535 · 2004-05-09 (May 9, 2004)

AT 8000 MILES THE GOODYEAR INTEGRITY 185/65 R 15 TIRES HAVE NO TRACTION WHEN ROADS ARE WET OR SLIPPERY RESULTING IN WHEEL SPIN. *AK

Owner-reported narrative. Look up ODI 10068535 at NHTSA ↗

Owner report 10079385 · 2004-06-16 (June 16, 2004)

WHILE DRIVING VEHICLE STALLED. CONSUMER RESTARTED THE VEHICLE, AND PULLED OVER. CONSUMER NOTICED ALL WARNING LIGHT APPEARED ON THE DASHBOARD AND REMAINED ON. CONSUMER HAD THE VEHICLE TOWED TO THE DEALER FOR INSPECTION, AND MECHANIC COULD NOT DUPLICATE THE PROBLEM, BUT INSISTED THAT WARNING LIGHT SHOULD BE TURNED OFF. *AK

Owner-reported narrative. Look up ODI 10079385 at NHTSA ↗

Owner report 10082409 · 2004-07-22 (July 22, 2004)

2004 PRIUS- WARNING LIGHTS--INCLUDING MASTER WARNING-- APPEARED ON DASH AND COMPUTER. VEHICLE LOST POWER AND COULD NOT BE SHUT DOWN OR RESTARTED. TOWED TO DEALERSHIP WHICH INFORMED ME THAT NO FAULT COULD BE FOUND AND CAR APPEARED TO BE OPERATING NORMALLY. CAR NOW RUNS NORMALLY EXCEPT FOR "READY" LIGHT THAT APPEARS ON DASH. *JB

Owner-reported narrative. 4,653 miles reported. Look up ODI 10082409 at NHTSA ↗

Owner report 10093639 · 2004-10-05 (October 5, 2004)

1. THE TOYOTA PRIUS HAS AN ALIGNMENT DEFECT THAT WORE OUT MY TIRES PREMATURELY. . THE CAR RODE ON THE WALL AND INNER TREAD OF THE TIRE WEARING IT DOWN TO THE NYLON AND WIRE BEFORE IT POPPED 3. NEW TIRES WERE PUT ON THE CAR. *AK

Owner-reported narrative. 30,000 miles reported. Look up ODI 10093639 at NHTSA ↗

Recall history

6 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.

04V558000 · Exterior Lighting:Brake Lights:Switch

Reported: 2004-11-22 (November 22, 2004)

CERTAIN PASSENGER VEHICLES MAY BE EQUIPPED WITH AN IMPROPERLY DESIGNED BRAKE LIGHT SWITCH. A SILICON OXIDE BUILD-UP OCCURS ON THE CONTACTS INSIDE THE BRAKE LIGHT SWITCH, WHICH CAN MAKE IT INOPERABLE.

Consequence: IF THE SWITCH IS INOPERABLE, THE BRAKE LIGHTS WILL NOT ILLUMINATE AND CAN INCREASE THE RISK OF A CRASH.

Remedy: DEALERS WILL REPLACE THE BRAKE LIGHT SWITCH. THE RECALL BEGAN DURING DECEMBER 2004. OWNERS SHOULD CONTACT TOYOTA AT 1-800-331-4331.

NHTSA campaign record ↗
06V096000 · Air Bags

Reported: 2006-04-03 (April 3, 2006)

ON CERTAIN VEHICLES, DUE TO IMPROPER ASSEMBLY OF THE AIR BAG INFLATOR, WHICH IS USED IN THE SIDE AIR BAG, THE CURTAIN SHIELD AIR BAG, AND THE KNEE AIR BAG ASSEMBLY, SOME INFLATORS WERE PRODUCED WITH AN INSUFFICIENT AMOUNT OF THE HEATING AGENTS NECESSARY FOR PROPER AIR BAG DEPLOYMENT. IN THIS CONDITION, THE EXPANSION FORCE OF THE GAS MAY BE INSUFFICIENT TO PROPERLY INFLATE THE AIR BAG WHEN THE SRS SYSTEM IS ACTIVATED DURING A CRASH.

Consequence: THIS MAY INCREASE THE RISK OF INJURY TO THE OCCUPANT IN THE INVOLVED SEATING POSITION IN THE EVENT OF A CRASH.

Remedy: DEALERS WILL REPLACE THE SPECIFIC SRS AIR BAG. THE RECALL BEGAN ON APRIL 6, 2006. OWNERS MAY CONTACT TOYOTA AT 1-888-270-9371, SCION AT 1-866-548-1851, OR LEXUS AT 1-800-255-3987.

NHTSA campaign record ↗
06V188000 · Steering:Electric Power Assist System

Reported: 2006-05-31 (May 31, 2006)

THE INTERMEDIATE SHAFT AND SLIDING YOKE IN THE ELECTRIC POWER STEERING SYSTEM CAN CRACK WHEN LARGE FORCES ARE APPLIED AND THE CONNECTION MAY SEPARATE OR THE SLEEVE MAY FRACTURE.

Consequence: THIS COULD RESULT IN A LOSS OF STEERING CONTROL OF THE VEHICLE.

Remedy: TOYOTA WILL REPLACE THE STEERING INTERMEDIATE SHAFT AND INSPECT THE SLIDING YOKE AND REPLACE IT IF NECESSARY. THE RECALL BEGAN ON JUNE 9, 2006. OWNERS MAY CONTACT TOYOTA AT 1-800-331-4331.

NHTSA campaign record ↗
09V388000 · Vehicle Speed Control:Accelerator Pedal

Reported: 2009-10-05 (October 5, 2009)

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2004-2010 PASSENGER VEHICLES. THE ACCELERATOR PEDAL CAN GET STUCK IN THE WIDE OPEN POSITION DUE TO ITS BEING TRAPPED BY AN UNSECURED OR INCOMPATIBLE DRIVER'S FLOOR MAT.

Consequence: A STUCK OPEN ACCELERATOR PEDAL MAY RESULT IN VERY HIGH VEHICLE SPEEDS AND MAKE IT DIFFICULT TO STOP THE VEHICLE, WHICH COULD CAUSE A CRASH, SERIOUS INJURY OR DEATH.

Remedy: TOYOTA FILED AN AMENDED DEFECT REPORT ON NOVEMBER 25, 2009, STATING THAT DEALERS WILL MODIFY THE ACCELERATOR PEDAL AND, ON CERTAIN VEHICLES, ALTER THE SHAPE OF THE FLOOR SURFACE UNDER THE PEDAL. THESE CHANGES ADDRESS THE RISK OF PEDAL ENTRAPMENT DUE TO INTERFERENCE WITH THE FLOOR MAT. REDESIGNED ACCELERATOR PEDALS WILL BECOME AVAILABLE BEGINNING IN APRIL 2010 AND DEALERS WILL REPLACE ANY MODIFIED PEDAL WITH THE NEW PEDAL IF DESIRED. ALSO, DEALERS WILL REPLACE ANY GENUINE TOYOTA OR LEXUS ALL-WEATHER FLOOR MATS WITH REDESIGNED ALL-WEATHER MATS, OR REPURCHASE THE PREVIOUS MATS FROM OWNERS WHO DO NOT WANT THE NEW ONES. ADDITIONALLY, SOFTWARE MODIFICATIONS WILL BE INSTALLED ON CAMRY, AVALON AND LEXUS ES 350, IS 350 AND IS 250 MODELS THAT WILL ENSURE THAT THE BRAKE OVERRIDES THE ACCELERATOR IN THE EVENT BOTH BRAKE AND ACCELERATOR PEDALS ARE APPLIED. TOYOTA WILL BEGIN MAILING LETTERS TO OWNERS ON DECEMBER 31, 2009. OWNERS MAY CONTACT TOYOTA AT 1-800-331-4331, LEXUS AT 1-800-255-3987.

NHTSA campaign record ↗
12V536000 · Hybrid Propulsion System: Inverter | Engine And Engine Cooling

Reported: 2012-11-14 (November 14, 2012)

Toyota is recalling certain model year 2004-2009 Prius vehicles manufactured August 6, 2003, through March 30, 2009 and FCHV-adv vehicles manufactured December 12, 2008, through September 13, 2011. During manufacturing, a scratch may have occurred inside of the electrically driven water pump at the coil wire. The coil wire may corrode at the scratched portion.

Consequence: The corroded coil wire may break and the water pump could stop. The corroded coil wire could cause a short circuit between coil wires and a possible open fuse, creating a stall-like condition of the hybrid system while the vehicle is being driven. This may increase the risk of a vehicle crash.

Remedy: Toyota will notify its owners, and dealers will replace the electric water pump, free of charge. The recall began on January 17, 2013. Owners may contact their Toyota dealer or the Toyota Customer Experience Center at 1-800-331-4331.

NHTSA campaign record ↗
12V537000 · Steering:Gear Box:Shaft Sector | Steering

Reported: 2012-11-14 (November 14, 2012)

Toyota is recalling certain model year 2004-2009 Prius vehicles manufactured August 5, 2003, through March 30, 2009. The affected vehicles have a steering intermediate extension shaft assembly built with metal splines that complete the connection from the steering wheel to the steering gear. These splines may have been manufactured with an insufficient hardness.

Consequence: Over time, the splines may wear and eventually fail resulting in a loss of steering ability, increasing the risk of a vehicle crash.

Remedy: Toyota will notify owners, and dealers will inspect the extension shaft and replace it if it is one with insufficient hardness, free of charge. The recall began during December 2012. Owners may contact their Toyota dealer or the Toyota Customer Experience Center at 1-800-331-4331.

NHTSA campaign record ↗