2004 Toyota Prius: Is It Reliable?
Problems, Recalls & Buyer Verdict
Shopping for a used 2004 Toyota Prius? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Current data includes 610 complaints, with Headlight/Taillight Failures as the top reported area.
2004 Toyota Prius Fuel Economy
β EPA Official DataEPA official fuel economy rating for the 2004 Toyota Prius.
Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions.
2004 Toyota Prius Safety Ratings
NHTSA 5-Star ProgramOfficial crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
Not RatedFrontal Crash
Not RatedSide Crash
Not RatedRollover
Not RatedSource: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.
Based on NHTSA complaint data, the 2004 Toyota Prius has 610 owner complaints, 38 crash-related complaints, and 6 recall campaigns on record. The most frequently reported component is Headlight/Taillight Failures. NHTSA reliability signal: Severe Issues.
- Make
- Toyota
- Model
- Prius
- Model year
- 2004
- NHTSA owner complaints
- 610
- Crash-related complaints
- 38
- Safety recall campaigns
- 6
- Top reported component
- Headlight/Taillight Failures
- Reliability signal
- Severe Issues
- EPA MPG combined
- 46
- EPA MPG city / highway
- 48 / 45
- Fuel type
- Regular Gasoline
- Electronic stability control
- Optional
Most Common 2004 Toyota Prius Problems
Top owner-reported complaint areas and where they often appear.
Headlight/Taillight Failures
Electrical Faults
Engine Problems
Complaint patterns center on Headlight/Taillight Failures, Electrical Faults, Engine Problems. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.
Should You Buy a Used 2004 Toyota Prius?
The 2004 Toyota Prius shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase.
Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report.
What to Check Before Buying a Used 2004 Toyota Prius
Inspection Focus
- Inspect headlights and taillights for proper function and signs of failure.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for electrical and engine repairs.
- Have a mechanic inspect the vehicle, focusing on electrical and brake systems.
Before You Close the Deal
- Inspect headlights and taillights for proper function and signs of failure.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for electrical and engine repairs.
- Have a mechanic inspect the vehicle, focusing on electrical and brake systems.
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2004 Toyota Prius, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.
What the Complaint Data Suggests
Editorial interpretation of NHTSA public complaint data. Source: nhtsa.gov. Complaints are owner-submitted and do not confirm a defect. Methodology
Complaints for the 2004 Toyota Prius are concentrated in headlight/taillight failures and electrical faults, together accounting for a large portion of the total. Engine and brake issues also appear frequently. The data suggests potential reliability concerns in these areas, though the low confidence level warrants caution.
- Headlight/Taillight Failures and Electrical Faults are the most reported components.
- Engine Problems and Brake System issues are also notable.
- Unintended Acceleration and Hydraulic complaints are present but less frequent.
- Headlight/Taillight Failures
- Electrical Faults
- Engine Problems
All 2004 Toyota Prius Complaints by Category
Every owner-reported complaint category filed with NHTSA for the 2004 Toyota Prius. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Headlight/Taillight Failures | 184 | β | β | β | |
| Electrical Faults | 177 | 4 | 2 | β | |
| Engine Problems | 98 | 1 | β | β | |
| Brake System | 73 | 11 | β | β | |
| Unintended Acceleration | 52 | 10 | β | β | |
| Hydraulic | 39 | 8 | β | β | |
| Transmission / Drivetrain | 34 | 3 | β | β | |
| Airbag Malfunctions | 18 | 16 | β | β | |
| Uncategorized Issues | 14 | 1 | β | β | |
| Equipment | 13 | β | β | β | |
| Electric | 13 | 1 | β | β | |
| Steering Defects | 10 | 1 | β | β | |
| Fuel System | 10 | β | β | β | |
| Visibility | 9 | β | β | β | |
| Electronic Stability Control (Esc) | 6 | β | β | β | |
| Gasoline | 6 | β | β | β | |
| Seat Belt Issues | 5 | 2 | β | β | |
| Fuel/Propulsion System | 4 | β | β | β | |
| Traction Control System | 4 | β | β | β | |
| Other | 4 | β | β | β | |
| Tire Issues | 4 | β | β | β | |
| Parking-Brake Issues | 3 | β | β | β | |
| Structural Problems | 2 | β | β | β | |
| Door Lock Issues | 2 | β | β | β | |
| Electronic Stability Control | 2 | β | β | β | |
| Suspension Failures | 2 | β | β | β | |
| Forward Collision Avoidance: AEB | 1 | β | β | β | |
| Wheel Issues | 1 | β | β | β | |
| Visibility/Wiper | 1 | β | β | β | |
| Seat-Related Issues | 1 | 1 | β | β |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
Real Owner Complaints
Read what owners actually reported to NHTSA for the 2004 Toyota Prius. Type a keyword (e.g. βtransmissionβ, βstallingβ, βbrakesβ) to filter.
Codes C1256 and C1391 ACC low pressure and abnormal leak of ACC press
The odometer on my 2004 Prius stops at 299,999. This is a known problem in the 04-05 models that was corrected in 2006. Leaves me unable to track miles for maintenance and other uses. This also has the problem with the entire digital dash going dark which means no speedometer or β¦
During a hot period of summer, my drive selector decided to not stay in the drive position unless I held it there. I could make the initial selection of drive and then stop on the gas, but it would not stay unless I physically held the lever down in the drive position. I never haβ¦
The contact owns a 2004 Toyota Prius. The contact stated while driving 51 MPH, the vehicle experienced phantom braking and a loss of power steering assist with the engine overheating message displayed. The vehicle was not diagnosed nor repaired by an independent mechanic or dealeβ¦
The contact owns a 2004 Toyota Prius. The contact stated while driving approximately 30 MPH, the vehicle stalled. The vehicle lost power steering functionality but the contact was able to safely pull off of the road. The contact stated that the check engine warning light and otheβ¦
I need your help to get Toyota to fix 2 items: -ABS Accumulator: I understand Toyota at one time had a recall on the βABS Accumulatorβ, that may have expired. At that time, I did not have any issue, nor was I aware of the recall. Now the βABS Accumulatorβ has gone out and is realβ¦
ABS failure. Won't pressurize. Anti-lock brakes quit working.
Toyota has issued time-limited 'Warranty enhancement program ZG1' instead of working with the NHSTA to issue a comprehensive BRAKE ACTUATOR ASSEMBLY RECALL. ZG1 was explicitly in place only from April 2016 to Dec 2017, requiring dealer verification of an actual system failure priβ¦
BRAKE ACTUATOR WENT OUT AND DEALER SAID TOYOTA USED TO COVER IT, BUT NOT ANYMORE. I SEARCHED THE INTERNET AND DISCOVERED THIS [PART IS BAD IN MOST PRIUS VEHICLES AND TOYOTA EXTENDED THE COVERAGE ON THE 2010-2015 UNTIL AUGUST 31, 2021. UNFORTUNATELY MY CAR IS 2004 AND DOES NOT GETβ¦
ALL THE INSTRUMENT CLUSTER LIGHTS CONTINUE TO GO OUT ON MY 04 PRIUS. I DON'T KNOW HOW MUCH FUEL I HAVE THIS COULD BE A SAFETY ISSUE. I DON'T KNOW HOW FAST I'M GOING THIS COULD DEFINITELY BE A SAFETY ISSUE. AND ZERO WARNING LIGHTS COME ON THIS IS DEFINITELY A SAFETY ISSUE. BY LOOKβ¦
MY LEFT HEADLIGHT GOES OFF BUT IF I TURN THE HEADLIGHTS BACK OFF AND BACK ON IT COMES BACK ON. THE HEADLIGHT IS NOT BURNED OUT. THIS HAPPENS WHILE ON THE FREEWAY IN THE DARK WHILE RAINING. THIS HAPPENS INTERMITTENTLY AND NOT ALL THE TIME.
ABOUT 1.5 YEARS AGO DURING A VACATION. MY CAR DECIDED TO NOT SHUT OFF. I DROVE TO THE NEAREST DEALERSHIP THAT WAS ABOUT THE CLOSE. THEY ASSISTED AND SAID TO HOLD THE POWER BUTTON DOWN UNTIL IT SHUTS OFF THEN TURN IT BACK ON. THIS WAS A DEALERSHIP IN GEORGIA. THE MECHANIC HAD HEARβ¦
I WAS DRIVING APPROX. 15 MPH ON A STREET ON 5/14/20 AND WAS MAKING A SOFT TURN AND HEARD A 'CLICK' NOISE. IMMEDIATELY AFTER MY STEERING WHEEL BEGAN TO SPIN FREELY WHILE TOTALLY DISENGAGED FROM THE FRONT WHEELS CAUSING TOTAL INABILITY TO CONTROL DIRECTION OF VEHICLE TRAVEL. THIS Cβ¦
HEADLIGHTS OCCASIONALLY GO OUT AT RANDOM WHILE DRIVING. BEGAN WITH DRIVER SIDE, VERY INTERMITTENT, BECAME MORE FREQUENT, NOW ALSO INCLUDES PASSENGER SIDE. BOTH HAVE GONE OUT AT THE SAME TIME WHILE DRIVING AT NIGHT TWICE. TURNING ALL LIGHTS OFF BRIEFLY AND BACK ON WILL RE-ILLUMβ¦
HEADLIGHT GO OUT DAILY AND HAPPENS WHILE DRIVING AT NIGHT FROM WORK, THEY TURN BACK ON SWITCH ON AND OFF
COMBINATION METER IS BLACK 90% OF THE TIME. RESTARTING ENGINE OR DISCONNECTING BATTERY ONLY WORKS ON OCCASION. HAVE SAFETY CONCERNS.
WHEN STOPPING SUDDENLY SOMETIMES THE BRAKES ON MY 2004 PRIUS WOULD NOT RESPOND IMMEDIATELY AS THEY SHOULD. THEY WOULD RELEASE THE CALIPERS COMPLETELY AND THE ONLY WAY TO STOP WOULD BE TO LET OFF THE BRAKES AND PRESS THEM AGAIN. IT DOES NOT HAPPEN OFTEN BUT IT IS REGULAR ENOUGH THβ¦
BRAKE ACTUATOR ASSEMBLY MALFUNCTIONED, AND HAD TO BE REPLACED, JUST AS PREDICTED IN TOYOTA'S WARRANTY ENHANCEMENT ZG1. TOYOTA KNOWS THE PART IS DEFECTIVE, BUT THEY REFUSED TO REPLACE IT UNTIL IT FAILED, AND MINE DID NOT FAIL UNTIL AFTER THE EXTENDED WARRANTY DEADLINE. THIS FAILURβ¦
WHEN DRIVING DOWN THE ROAD ALL OF A SUDDEN WE TRIED TO USE THE BRAKES AND IT FELT LIKE WE ONLY HAD 10% OF OUR BRAKING ABILITY. THE BRAKE LIGHT CAME ON AND ABS LIGHT WENT ON AND THE STABILITY CONTROL LIGHT CAME ON AS WELL AS A WARNING BUZZER. IT FELT LIKE WE HAD MANUAL BRAKES.
TL* THE CONTACT OWNS A 2004 TOYOTA PRIUS. THE CONTACT STATED THAT THE POWER STEERING WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS SERVICED PER NHTSA CAMPAIGN NUMBER: 12V537000 (STEERING) BY BALISE TOYOTA (1399 RIVERDALE ST, WEST SPRINGFIELD, MA 01089, (413) 306-3037), BUT THE Rβ¦
Source: NHTSA Complaints Database. Real owner reports for the 2004 Toyota Prius.
2004 Toyota Prius Recalls
6 campaignsNHTSA recall campaigns for the 2004 Toyota Prius. 6 recall campaigns are on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.
2004 Toyota Prius Buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2004 Toyota Prius reliable?βΎ
Severe Issues. NHTSA currently shows 610 owner complaints, 38 crash-related complaints, and 6 recall campaigns for this model year. The 2004 Toyota Prius shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.
What are the most common problems with the 2004 Toyota Prius?βΎ
#1: Headlight/Taillight Failures (184 complaints). #2: Electrical Faults (177 complaints). #3: Engine Problems (98 complaints)
At what mileage do problems start on the 2004 Toyota Prius?βΎ
Mileage data is not available or insufficient for this model year.
How safe is the 2004 Toyota Prius?βΎ
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2004 Toyota Prius, NHTSA complaints include 38 crash-related reports and 2 fire reports out of 610 total complaints. 29 injury reports are also on file. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2004 Toyota Prius have any recalls?βΎ
Yes. 6 NHTSA recall campaigns affect the 2004 Toyota Prius. A major recall area is STEERING. 6 recall campaigns are on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2004 Toyota Prius?βΎ
The 2004 Toyota Prius shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report. Pay extra attention to Headlight/Taillight Failures during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.
Wider context: See the full Toyota Prius reliability report with year-by-year comparison.
Owner Reliability Rating
Rate the 2004 Toyota Prius based on your ownership experience.
Add your rating:
Ratings are based on owner experience and are separate from NHTSA data shown above.
Check the Exact Vehicle History Before You Buy
Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.