2004 TOYOTA PRIUS — Owner-Reported Problems

NHTSA Office of Defects Investigation Snapshot 2026-08-22 601 complaints · 0 recalls

Verdict & Safety Summary

Most-reported system: EXTERIOR LIGHTING (171 complaints · 28.5%)
Safety signals:
  • Crashes 38
  • Fires 2
  • Injuries 29
  • Deaths 0
NHTSA Consumer Complaints Snapshot 2026-08-21 Open source record Read our complete data methodology →

Complaint counts reflect self-selected reports and are not normalised for production sales volume. We publish no reliability scores, superlatives, or vehicle rankings.

Component Problem Distribution

Share of owner complaints filed for each vehicle system (unaffected by sales volume)

Component Problem Distribution EXTERIOR LIGHTING appears in 171 of 601 owner complaints (28.5%) in this vehicle snapshot. EXTERIOR LIGHTING: 171 complaints, 28.5% of reports EXTERIOR LIGHTING 171 · 28.5% ELECTRICAL SYSTEM: 137 complaints, 22.8% of reports ELECTRICAL SYSTEM 137 · 22.8% · 2 crash reports 2 fire reports ENGINE: 86 complaints, 14.3% of reports ENGINE 86 · 14.3% · 1 crash reports SERVICE BRAKES: 63 complaints, 10.5% of reports SERVICE BRAKES 63 · 10.5% · 10 crash reports VEHICLE SPEED CONTROL: 40 complaints, 6.7% of reports VEHICLE SPEED CONTROL 40 · 6.7% · 9 crash reports POWER TRAIN: 27 complaints, 4.5% of reports POWER TRAIN 27 · 4.5% AIR BAGS: 15 complaints, 2.5% of reports AIR BAGS 15 · 2.5% · 13 crash reports FUEL SYSTEM: 9 complaints, 1.5% of reports FUEL SYSTEM 9 · 1.5% STEERING: 8 complaints, 1.3% of reports STEERING 8 · 1.3% · 1 crash reports UNKNOWN OR OTHER: 155 complaints, 25.8% of reports UNKNOWN OR OTHER 155 · 25.8% · 9 crash reports 0% 25% 50% 75% 100%

UNKNOWN OR OTHER is an NHTSA classification artifact and is always listed last.

View component data as a table
System / Component Complaints Share of Reports Safety Reports (Crashes / Fires)
EXTERIOR LIGHTING 171 28.5% 0 crashes · 0 fires
ELECTRICAL SYSTEM 137 22.8% 2 crashes · 2 fires
ENGINE 86 14.3% 1 crashes · 0 fires
SERVICE BRAKES 63 10.5% 10 crashes · 0 fires
VEHICLE SPEED CONTROL 40 6.7% 9 crashes · 0 fires
POWER TRAIN 27 4.5% 0 crashes · 0 fires
AIR BAGS 15 2.5% 13 crashes · 0 fires
FUEL SYSTEM 9 1.5% 0 crashes · 0 fires
STEERING 8 1.3% 1 crashes · 0 fires
UNKNOWN OR OTHER 155 25.8% 9 crashes · 0 fires
NHTSA Consumer Complaints, NHTSA Safety Recalls, and NHTSA Defect Investigations Snapshot 2026-08-22 Open source record Read our complete data methodology →

Complaint counts reflect self-selected reports and are not normalised for production sales volume. We publish no reliability scores, superlatives, or vehicle rankings.

Problem & Recall Timeline

Observed complaint volume and manufacturer recall actions over time

Problem & Recall Timeline Owner reports in this snapshot begin in Oct 2003. 2003-Q4: 2 owner reports 2 2004-Q1: 1 owner reports 1 2004-Q2: 2 owner reports 2 2004-Q3: 2 owner reports 2 2004-Q4: 6 owner reports 6 2005-Q1: 6 owner reports 6 2005-Q2: 113 owner reports 113 2005-Q3: 36 owner reports 36 2005-Q4: 17 owner reports 17 2006-Q1: 5 owner reports 5 2006-Q2: 2 owner reports 2 2006-Q3: 9 owner reports 9 2006-Q4: 4 owner reports 4 2007-Q1: 5 owner reports 5 2007-Q2: 5 owner reports 5 2007-Q3: 2 owner reports 2 2007-Q4: 6 owner reports 6 2008-Q1: 8 owner reports 8 2008-Q2: 7 owner reports 7 2008-Q3: 4 owner reports 4 2008-Q4: 7 owner reports 7 2009-Q1: 14 owner reports 14 2009-Q2: 11 owner reports 11 2009-Q3: 17 owner reports 17 2009-Q4: 21 owner reports 21 2010-Q1: 62 owner reports 62 2010-Q2: 15 owner reports 15 2010-Q3: 15 owner reports 15 2010-Q4: 12 owner reports 12 2011-Q1: 9 owner reports 9 2011-Q2: 3 owner reports 3 2011-Q3: 6 owner reports 6 2011-Q4: 9 owner reports 9 2012-Q1: 13 owner reports 13 2012-Q2: 8 owner reports 8 2012-Q3: 3 owner reports 3 2012-Q4: 13 owner reports 13 2013-Q1: 5 owner reports 5 2013-Q2: 5 owner reports 5 2013-Q3: 7 owner reports 7 2013-Q4: 4 owner reports 4 2014-Q1: 2 owner reports 2 2014-Q2: 5 owner reports 5 2014-Q3: 2 owner reports 2 2014-Q4: 5 owner reports 5 2015-Q1: 4 owner reports 4 2015-Q2: 2 owner reports 2 2015-Q3: 6 owner reports 6 2015-Q4: 10 owner reports 10 2016-Q1: 4 owner reports 4 2016-Q2: 2 owner reports 2 2016-Q3: 2 owner reports 2 2016-Q4: 1 owner reports 1 2017-Q2: 2 owner reports 2 2017-Q3: 6 owner reports 6 2017-Q4: 4 owner reports 4 2018-Q1: 5 owner reports 5 2018-Q2: 6 owner reports 6 2018-Q3: 6 owner reports 6 2018-Q4: 1 owner reports 1 2019-Q1: 3 owner reports 3 2019-Q2: 4 owner reports 4 2019-Q3: 2 owner reports 2 2019-Q4: 1 owner reports 1 2020-Q1: 1 owner reports 1 2020-Q2: 2 owner reports 2 2020-Q4: 3 owner reports 3 2021-Q2: 1 owner reports 1 2021-Q4: 1 owner reports 1 2022-Q1: 1 owner reports 1 2022-Q2: 3 owner reports 3 2022-Q4: 1 owner reports 1 2025-Q3: 2 owner reports 2 Owner reports Oct 2003 Jul 2025 Investigation PE05029 ● Investigation PE05029 Investigation DP13001 ● Investigation DP13001 Investigation DP22005 ● Investigation DP22005
View timeline records as a table
Date Record type Count Record identifier
2003-Q4 Owner reports 2
2004-Q1 Owner reports 1
2004-Q2 Owner reports 2
2004-Q3 Owner reports 2
2004-Q4 Owner reports 6
2005-Q1 Owner reports 6
2005-Q2 Owner reports 113
2005-Q3 Owner reports 36
2005-Q4 Owner reports 17
2006-Q1 Owner reports 5
2006-Q2 Owner reports 2
2006-Q3 Owner reports 9
2006-Q4 Owner reports 4
2007-Q1 Owner reports 5
2007-Q2 Owner reports 5
2007-Q3 Owner reports 2
2007-Q4 Owner reports 6
2008-Q1 Owner reports 8
2008-Q2 Owner reports 7
2008-Q3 Owner reports 4
2008-Q4 Owner reports 7
2009-Q1 Owner reports 14
2009-Q2 Owner reports 11
2009-Q3 Owner reports 17
2009-Q4 Owner reports 21
2010-Q1 Owner reports 62
2010-Q2 Owner reports 15
2010-Q3 Owner reports 15
2010-Q4 Owner reports 12
2011-Q1 Owner reports 9
2011-Q2 Owner reports 3
2011-Q3 Owner reports 6
2011-Q4 Owner reports 9
2012-Q1 Owner reports 13
2012-Q2 Owner reports 8
2012-Q3 Owner reports 3
2012-Q4 Owner reports 13
2013-Q1 Owner reports 5
2013-Q2 Owner reports 5
2013-Q3 Owner reports 7
2013-Q4 Owner reports 4
2014-Q1 Owner reports 2
2014-Q2 Owner reports 5
2014-Q3 Owner reports 2
2014-Q4 Owner reports 5
2015-Q1 Owner reports 4
2015-Q2 Owner reports 2
2015-Q3 Owner reports 6
2015-Q4 Owner reports 10
2016-Q1 Owner reports 4
2016-Q2 Owner reports 2
2016-Q3 Owner reports 2
2016-Q4 Owner reports 1
2017-Q2 Owner reports 2
2017-Q3 Owner reports 6
2017-Q4 Owner reports 4
2018-Q1 Owner reports 5
2018-Q2 Owner reports 6
2018-Q3 Owner reports 6
2018-Q4 Owner reports 1
2019-Q1 Owner reports 3
2019-Q2 Owner reports 4
2019-Q3 Owner reports 2
2019-Q4 Owner reports 1
2020-Q1 Owner reports 1
2020-Q2 Owner reports 2
2020-Q4 Owner reports 3
2021-Q2 Owner reports 1
2021-Q4 Owner reports 1
2022-Q1 Owner reports 1
2022-Q2 Owner reports 3
2022-Q4 Owner reports 1
2025-Q3 Owner reports 2
Defect investigation 1 PE05029
Defect investigation 1 DP13001
Defect investigation 1 DP22005
NHTSA Safety Recalls Snapshot 2026-08-22 Open source record Read our complete data methodology →

Safety Recalls (0)

Official safety recall campaigns filed with NHTSA

Zero safety recalls recorded for this model year in official NHTSA records.

NHTSA Consumer Complaints Snapshot 2026-08-21 Open source record Read our complete data methodology →

Complaint counts reflect self-selected reports and are not normalised for production sales volume. We publish no reliability scores, superlatives, or vehicle rankings.

Complaint Narrative Explorer

Verbatim owner-reported defect narratives from NHTSA public records

Data: NHTSA Office of Defects Investigation · snapshot Aug 21, 2026
Safety incident filters
Showing 0 of 601 complaints · page 1 of 25

No complaints match the current filters.

EPA Fuel Economy Database Snapshot 2026-08-21 Open source record Read our complete data methodology →

Estimated Ownership Cost

EPA fuel economy ratings and annual operating cost estimates

Data: US EPA Fuel Economy Guide · snapshot Aug 21, 2026
Supported range: 1,000–60,000 miles per year
Supported range: $1.50–$10.00 per gallon
55% city45% highway
Estimate unavailable

EPA fuel-economy data is unavailable for this vehicle.

No estimate is shown when required EPA values are unavailable.

Open Ownership Cost Calculator →

Adjacent Model Years

Immediate preceding and succeeding model year records

NHTSA Consumer Complaints Snapshot 2026-08-21 Open source record Read our complete data methodology →

Complaint counts reflect self-selected reports and are not normalised for production sales volume. We publish no reliability scores, superlatives, or vehicle rankings.

Methodology & Data Integrity

Data sourced from NHTSA Office of Defects Investigation. Snapshot date: 2026-08-21.

Read our complete data methodology → Sources