| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 225 |
| Headlamp aim out of alignment | 96 |
| Brake pipe excessively corroded | 61 |
| Front brake disc in such a condition that it is seriously weakened | 33 |
| Registration plate lamp issues | 30 |
| Registration plate issues | 23 |
| Brakes imbalanced across an axle | 18 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 17 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 16 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 15 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 13 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Brake hose excessively deteriorated | 11 |
| Front brake excessively fluctuating | 11 |
| Windscreen washer not working | 10 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 8 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Rear brake application uneven | 8 |
| Parking brake lever has no reserve travel |3.1.6b| | 7 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Nearside Stop lamp not working |1.2.1b| | 6 |
| Parking brake: efficiency below requirements |3.7.B.7| | 6 |
| Windscreen wiper blade insecure | 5 |
| Rear brake binding | 5 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 5 |
| Offside Front Seat belt retracting mechanism defective (7.1.2 (e)) | 5 |
| Nearside Front Seat belt retracting mechanism defective (7.1.2 (e)) | 5 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Anti-lock braking system warning lamp indicates an ABS fault | 5 |
| Horn not working (7.7 (a)) | 5 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Offside Rear Outer Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 4 |
| Nearside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 4 |
| Offside Seat belt retracting mechanism defective |5.2.5b| | 4 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 4 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Rear parking brake recording little or no effort | 4 |
| Offside Rear Shock absorbers has a serious fluid leak | 4 |
| Headlamp aim not tested (4.1.2 (b)) | 3 |
| Offside Front Position lamp not working |4.2.1 |a|| | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Fuel tank leaking excessively or a risk of fire |6.1.3 |b| |ii|| | 3 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Rear Outer Suspension component mounting prescribed area excessively corroded significantly reducing structural strength Sill (5.3.6 (a) (i)) | 3 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 3 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Fuel tank leaking (6.1.3 (b) (i)) | 3 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Exhaust system insecure (6.1.2 (a)) | 3 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Seat belt retracting mechanism defective |5.2.5b| | 3 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 3 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 3 |
| Front brake application uneven | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |