MOT defects: Horn
Lamps, reflectors and electrical equipment
13 defects: 4 major, 9 minor.
| Certificate wording | Severity | As an advisory | Inspection manual |
|---|---|---|---|
| Horn not working | major | None | Audible warning inoperative |
| Horn likely to be confused with an emergency vehicle siren | major | None | Audible warning sound likely to be confused with an emergency vehicle siren |
| Horn sound not in accordance with requirements | major | None | Audible warning sound not in accordance with requirements |
| Horn not working | major | None | Audible warning inoperative |
| Horn not working properly | minor | None | Audible warning not working properly |
| Horn control insecure | minor | None | Audible warning control insecure |
| Horn emits two or more alternating tones | minor | None | Audible warning sound not in accordance with requirements |
| Horn is a bell | minor | None | Audible warning sound not in accordance with requirements |
| Horn is a gong | minor | None | Audible warning sound not in accordance with requirements |
| Horn is a siren | minor | None | Audible warning sound not in accordance with requirements |
| Horn not a continuous or uniform sound | minor | None | Audible warning sound not in accordance with requirements |
| Horn not loud enough to be heard by another road user | minor | None | Audible warning sound not in accordance with requirements |
| Horn sounds harsh or grating | minor | None | Audible warning sound not in accordance with requirements |
Pre-2018 names for this part
Other parts in Lamps, reflectors and electrical equipment
- Daytime running lamps (19)
- All direction indicators (8)
- Individual direction indicators (16)
- Side repeaters (14)
- Switch (Flashing type) (4)
- Arm (8)
- Switch (Semaphore) (4)
- Battery(ies) (4)
- Electrical wiring (15)
- Trailer electrical socket (6)
- Front fog lamp switch (10)
- Front fog lamps (11)
- Rear fog lamp (13)
- Switch (Rear fog lamp) (10)
- Lamp (3)
- Switch (Hazard warning) (3)
- Headlamp aim (Headlamp aim) (10)
- Headlamp aim not tested (2)
- Dipswitch (4)
- Headlamp (21)
- Headlamp cleaning device (2)
- Headlamp levelling device (2)
- Matched pair (5)
- Switch (Headlamps) (2)
- Direction indicator tell-tale (2)
- Hazard warning tell-tale (3)
- Main beam tell-tale (2)
- Rear fog lamp tell-tale (2)
- All outline marker lamps (12)
- Outline marker lamp (22)
- All position lamps (8)
- Position lamp (21)
- Switch (Position lamps) (5)
- Rear reflectors (9)
- Registration plate lamp(s) (8)
- Reversing lamp switch (1)
- Reversing lamps (9)
- Stop lamp (25)
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