# Multi-circuit protection valve or pressure relief valve not working. — Vehicle inspection defect categories: MOT major, minor and dangerous verdicts

For Multi-circuit protection valve or pressure relief valve not working., defect is Multi-circuit protection valve or pressure relief valve not working; category is Major; inspection item number is 1.1.3; defect reference is (c); inspection item is Vacuum pump or compressor and reservoirs, recorded from its source on 2026-08-06.

- **Defect:** Multi-circuit protection valve or pressure relief valve not working. _(verified: appears in the quote below)_
- **Category:** Major
- **Inspection item number:** 1.1.3
- **Defect reference:** (c) _(verified: appears in the quote below)_
- **Inspection item:** Vacuum pump or compressor and reservoirs
- **Authority:** EU Directive 2014/45/EU Annex I _(our reading, not quoted from the source)_

## What the source says

> (c) | Multi-circuit protection valve or pressure relief valve not working. | | | 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/).