CarModelProblems.com

2004 Toyota Prius Problems & Recalls

Built from official NHTSA complaint and recall data · data through 07/12/2026

High complaint levelIts most-reported problem — Exterior Lighting — runs 4.9× the fleet median for that category across the 720 model-years tracked on this site.
610Complaints
6Recalls
38Crashes
2Fires
29Injured
0Deaths

Source: U.S. NHTSA complaint & recall data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

Is this problem acknowledged?

The most-reported problem — Exterior Lighting (26.9% of complaints) — is covered by 1 NHTSA recall campaign.

Exterior Lighting complaints here are 4.9× the median for that category across the 720 model-years tracked on this site.

Complaint categoryReportsOfficial statusReference
Exterior Lighting164 · 26.9%RecalledRecall 04V558000
Electrical System153 · 25.1%not available
Vehicle Speed Control48 · 7.9%RecalledRecall 09V388000
Engine And Engine Cooling45 · 7.4%RecalledRecall 12V536000
Engine And Engine Cooling:engine29 · 4.8%RecalledRecall 12V536000
Service Brakes, Hydraulic24 · 3.9%not available

Recalled = an NHTSA safety recall covers this category, so a free repair exists. Under investigation = NHTSA has an open probe but no recall yet. Investigation closed = NHTSA examined it and closed the probe — this is not a defect finding; where a closed probe led to a recall we name the campaign. Not available = recall or investigation data could not be confirmed for this vehicle — it is not a “no”. Categories are matched by NHTSA's top-level component. Check your VIN at nhtsa.gov/recalls.

Complaints by component

EXTERIOR LIGHTING164 · 26.9%
ELECTRICAL SYSTEM153 · 25.1%
SERVICE BRAKES, HYDRAULIC24 · 3.9%
SERVICE BRAKES21 · 3.4%
POWER TRAIN18 · 3%
EXTERIOR LIGHTING:HEADLIGHTS17 · 2.8%
AIR BAGS16 · 2.6%

Percentages are the share of the 610 complaints citing each component; one complaint can cite several components. “Unspecified / other” is NHTSA’s own catch-all category — we show it rather than hide it.

Recalls — 6 campaigns

Steering

NHTSA campaign 12V537000 · 2012 · reported 11/14/2012

Over time, the splines may wear and eventually fail resulting in a loss of steering ability, increasing the risk of a vehicle crash. Recall repairs are free at authorized dealers.

PARK-IT: NO  · PARK-OUTSIDE: NO  ·  OVER-THE-AIR FIX: NO

Engine And Engine Cooling

NHTSA campaign 12V536000 · 2012 · reported 11/14/2012

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. Recall repairs are free at authorized dealers.

PARK-IT: NO  · PARK-OUTSIDE: NO  ·  OVER-THE-AIR FIX: NO

Vehicle Speed Control:accelerator Pedal

NHTSA campaign 09V388000 · 2009 · reported 10/05/2009

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. Recall repairs are free at authorized dealers.

PARK-IT: NO  · PARK-OUTSIDE: NO  ·  OVER-THE-AIR FIX: NO

Air Bags

NHTSA campaign 06V096000 · 2006 · reported 04/03/2006

THIS MAY INCREASE THE RISK OF INJURY TO THE OCCUPANT IN THE INVOLVED SEATING POSITION IN THE EVENT OF A CRASH. Recall repairs are free at authorized dealers.

PARK-IT: NO  · PARK-OUTSIDE: NO  ·  OVER-THE-AIR FIX: NO

Exterior Lighting:brake Lights:switch

NHTSA campaign 04V558000 · 2004 · reported 11/22/2004

IF THE SWITCH IS INOPERABLE, THE BRAKE LIGHTS WILL NOT ILLUMINATE AND CAN INCREASE THE RISK OF A CRASH. Recall repairs are free at authorized dealers.

PARK-IT: NO  · PARK-OUTSIDE: NO  ·  OVER-THE-AIR FIX: NO

Steering:electric Power Assist System

NHTSA campaign 06V188000 · 2006 · reported 05/31/2006

THIS COULD RESULT IN A LOSS OF STEERING CONTROL OF THE VEHICLE. Recall repairs are free at authorized dealers.

PARK-IT: NO  · PARK-OUTSIDE: NO  ·  OVER-THE-AIR FIX: NO

Park it Park outside Specimen badges — shown on a recall card only when NHTSA sets the flag. None of the campaigns above carries either flag. Always check your own vehicle by VIN at nhtsa.gov/recalls.

What owners report

“DT: 2004 TOYOTA PRIUS, CONSUMER WAS DRIVING ON HIGHWAY 24 AND THE VEHICLE STOPPED. IT HAD TO BE TOWED. VEHICLE LOST POWER WHILE GOING 60-65…”NHTSA complaint 10124301 — filed 09/16/2005 · ENGINE AND ENGINE COOLING:ENGINE
“DT: WHILE DRIVING AT A STEADY PACE, THE VEHICLE STALLED.”NHTSA complaint 10124826 — filed 07/15/2005 · ENGINE AND ENGINE COOLING
“DT: WHILE DRIVING AT A STEADY PACE, THE VEHICLE STALLED.”NHTSA complaint 10124826 — filed 07/15/2005 · ELECTRICAL SYSTEM

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Complaint trend by year filed

7720091273420114828201316252015914201727132019822021822025

Frequently asked questions

What are the most common problems with the 2004 Toyota Prius?

Exterior lighting issues are the most-reported category, cited in 164 of 610 NHTSA complaints (26.9%), followed by electrical system (153), vehicle speed control (48), engine and engine cooling (45). Complaints are unverified owner reports.

How many complaints does the 2004 Toyota Prius have?

610 complaints were on file with NHTSA as of 07/12/2026. Of those, 38 involved a crash, 2 involved a fire, and 29 reported injuries. No deaths were reported.

Does the 2004 Toyota Prius have any recalls?

Yes — 6 NHTSA safety recall campaigns, including campaign 12V537000. Recall repairs are free at authorized dealers. Check your specific vehicle by VIN at nhtsa.gov/recalls.

Has NHTSA acted on the 2004 Toyota Prius's reported problems?

Recall or investigation data is partly unavailable for this vehicle right now — check your VIN at nhtsa.gov/recalls for the authoritative answer.

Is a complaint proof of a defect?

No. Complaints are reports submitted by consumers to NHTSA. NHTSA does not verify individual complaints, and a complaint is not proof that a defect exists.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/12/2026.