These MOT failure patterns show up more often on this registration year than on similar cars of the same class, age, and mileage.
Shares below are measured across the 356 of 357 failed first attempts (99.7%) that recorded an odometer reading in 2025 — the subset the age-and-mileage comparison can be computed on.
Standout: Rigid brake pipes (rear) — 5.9% of this year's failed first attempts
Recorded on 21 of those tests. It tops the table on elevation — about 6.5× more often than on similar cars of the same age and mileage. The full ranked list is in the table below.
No patterns met the strongest callout thresholds on this page; showing the highest-lift rows that still cleared the display floors.
| Fault pattern | Location | Failures | vs similar cars | Share of fails | Confidence |
|---|---|---|---|---|---|
|
Rigid brake pipes (rear)
Brakes > Rigid brake pipes
|
Rear | 21 | ×6.5 | 5.9% | Possible |
|
SRS malfunction indicator lamp
Seat belts and supplementary restraint systems > SRS malfunction indicator lamp
|
Any | 23 | ×5.4 | 6.5% | Possible |
|
Linkage ball joints (front)
Suspension > Anti-roll bars > Linkage ball joints
|
Front | 29 | ×4.5 | 8.1% | Possible |
|
Rbt (sp)
Brakes > Brake performance > Parking brake efficiency (sp) > Rbt (sp)
|
Any | 45 | ×3.1 | 12.6% | Likely |
|
Stop lamp (rear)
Lamps, reflectors and electrical equipment > Stop lamp
|
Rear | 36 | ×3.0 | 10.1% | Possible |
|
Registration plate lamp(s)
Lamps, reflectors and electrical equipment > Registration plate lamp(s)
|
Any | 27 | ×2.5 | 7.6% | Possible |
Only patterns that clear minimum sample and elevation thresholds are shown (at least 20 failures and about 2.0× more often than similar cars).