Toyota Prius+: lighting & signalling MOT failures
Lighting & signalling was a recorded failure area in 10.2% of Toyota Prius+ MOT tests in this dataset. It is most prominent on 2004, 2005 cars.
Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair cost: £10–£150 (rough UK ballpark, not a quote).
Lighting & signalling failures by year
| Model year | Tests | Fail rate |
|---|---|---|
| 2004 | 5,733 | 17.8% |
| 2005 | 15,217 | 16.8% |
| 2006 | 22,565 | 16.7% |
| 2007 | 41,247 | 15.1% |
| 2008 | 41,044 | 14.6% |
| 2009 | 41,601 | 15.3% |
| 2010 | 56,569 | 16.4% |
| 2013 | 51,742 | 11.9% |
Methodology & source. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.