# Illegal power-train modification. — Vehicle inspection defect categories: MOT major, minor and dangerous verdicts

For Illegal power-train modification., defect is Illegal power-train modification; category is Major; inspection item number is 6.1.7; defect reference is (h); inspection item is Transmission, recorded from its source on 2026-08-06.

- **Defect:** Illegal power-train modification. _(verified: appears in the quote below)_
- **Category:** Major
- **Inspection item number:** 6.1.7
- **Defect reference:** (h) _(verified: appears in the quote below)_
- **Inspection item:** Transmission
- **Authority:** EU Directive 2014/45/EU Annex I _(our reading, not quoted from the source)_

## What the source says

> (h) | Illegal power-train modification. | | | X |

## Source

- https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:32014L0045

Last verified: 2026-08-06. Review by: 2027-02-02.
Part of [Vehicle inspection defect categories: MOT major, minor and dangerous verdicts](https://referencesource.org/vehicle-inspection-defect-categories/).