Volvo V40: lighting & signalling MOT failures
Of the 600,741 Volvo V40 MOT tests in this dataset, 5.3% recorded at least one lighting & signalling failure. It shows up most on 1997 and 1999 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 |
|---|---|---|
| 1997 | 697 | 21.8% |
| 1998 | 881 | 21.1% |
| 1999 | 1,593 | 22.4% |
| 2000 | 2,452 | 18.9% |
| 2001 | 4,288 | 16.6% |
| 2002 | 5,977 | 18.8% |
| 2003 | 8,538 | 19.3% |
| 2004 | 6,835 | 20.2% |
| 2012 | 15,258 | 9.6% |
| 2013 | 71,406 | 7.8% |
| 2014 | 101,279 | 6.2% |
| 2015 | 96,884 | 6.0% |
| 2016 | 92,716 | 3.6% |
| 2017 | 79,562 | 1.7% |
| 2018 | 74,365 | 1.7% |
| 2019 | 37,695 | 1.4% |
Methodology & source. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.