Does the Toyota iQ fail the MOT on lamps, reflectors and electrics more than it should?
The Toyota iQ records 11.92 lamps, reflectors and electrics failure items per 100 initial MOT tests (2019–2024), against 21.69 expected for a car of the same age mix: less than expected for its class and age (−9.77, 95% interval −10.05 to −9.49). It ranks 603 of 729 models on lamps, reflectors and electrics (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on lamps, reflectors and electrics · check a Toyota iQ by registration
What exactly fails on lamps, reflectors and electrics?
The most frequent DVSA defect wording in this group on the Toyota iQ is “A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources”, recorded 2,012 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources | 2,012 | 1.94 |
| Headlamp reflector or lens slightly defective | 1,880 | 1.81 |
| A headlamp or light source missing, inoperative or more than ½ not functioning in the case of LED | 1,370 | 1.32 |
| A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 1,343 | 1.30 |
| The aim of a headlamp is not within limits laid down in the requirements | 1,303 | 1.26 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 103,601 (initial tests) · Method: failure items (major and minor) grouped by DVSA's defect tree; wordings with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
If a Toyota iQ gets a lamps, reflectors and electrics advisory, how often does it fail next time?
18.5% of Toyota iQ MOTs with a lamps, reflectors and electrics advisory were followed by a fail in the same group at the next MOT, typically 12 months and 5,104 miles later (843 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 843 (advisories followed) · Method: the same vehicles followed to their next ordinary MOT · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
Other pages for this model
Toyota iQ 2009 · Toyota iQ 2010 · Toyota iQ 2011 · Toyota iQ 2012 · Toyota iQ 2013 · Toyota iQ 2014 · Toyota iQ in Norway · Toyota iQ in the Netherlands · Toyota iQ by postcode area · Toyota iQ body, chassis and structure failures · Toyota iQ brakes failures · Toyota iQ vehicle identification failures · Toyota iQ noise, emissions and leaks failures · Toyota iQ road wheels failures · Toyota iQ seat belts and airbags failures · Toyota iQ steering failures · Toyota iQ suspension failures · Toyota iQ tyres failures · Toyota iQ visibility failures