2004 Toyota Prius check engine light reports
27 NHTSA complaints describe persistent or recurring check-engine warnings on the 2004 Toyota Prius — roughly 4% of all complaints for this model year.
27
Check engine light reports
4%
share of complaints
15,050 mi
median mileage in check engine light reports (23 with odometer)
Components reported on this vehicle
Check engine light in other Prius years
| 2013 Prius | 7 |
| 2012 Prius | 6 |
| 2011 Prius | 11 |
| 2010 Prius | 31 |
| 2008 Prius | 10 |
| 2007 Prius | 17 |
| 2006 Prius | 10 |
| 2005 Prius | 17 |
| 2002 Prius | 7 |
Other symptoms owners describe on the 2004 Toyota Prius
Symptom counts come from keyword analysis of complaint narratives. One complaint can describe several symptoms, and classification is approximate — read the underlying reports on the full 2004 Toyota Prius report before drawing conclusions.