These MOT failure patterns show up more often on this registration year than on similar cars of the same class, age, and mileage.
Based on 1,275 failed first-attempt tests in 2025.
Electrical equipment — Horn
This failure pattern appears about 6.6× more often than on similar cars — recorded on 137 failed first-attempt tests; 10.7% of failed tests for this model year.
| # | Fault pattern | Location | Failures | vs similar cars | Share of fails | Confidence |
|---|---|---|---|---|---|---|
| 1 |
Load sensing valves
Brakes > Load sensing valves
|
Any | 55 | ×31 | 4.3% | Likely |
| 2 |
Door condition (rear)
Body, chassis, structure > Doors > Other passenger's door > Door condition
|
Rear | 45 | ×7.3 | 3.5% | Likely |
| 3 |
Electrical equipment — Horn
Lamps, reflectors and electrical equipment > Electrical equipment > Horn
|
Any | 137 | ×6.6 | 10.7% | Strong |
| 4 |
Service brake performance
Brakes > Brake performance > Service Brake Efficiency (sp) > Rbt (sp) > Service brake performance
|
Any | 71 | ×4.8 | 5.6% | Likely |
| 5 |
Side repeaters
Lamps, reflectors and electrical equipment > Direction indicators > Flashing type > Side repeaters
|
Any | 90 | ×4.0 | 7.1% | Likely |
| 6 |
SRS malfunction indicator lamp
Seat belts and supplementary restraint systems > SRS malfunction indicator lamp
|
Any | 126 | ×2.9 | 9.9% | Possible |
| 7 |
Ball joint (front)
Suspension > Anti-roll bars > Ball joint
|
Front | 31 | ×2.9 | 2.4% | Possible |
| 8 |
Service brake imbalance (rear)
Brakes > Brake performance > Service Brake Efficiency (sp) > Rbt (sp) > Service brake imbalance
|
Rear | 53 | ×2.4 | 4.2% | Possible |
| 9 |
Steering rack
Steering > Steering gear > Steering rack
|
Any | 27 | ×2.0 | 2.1% | 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).