| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 799 |
| Registration plate lamp issues | 777 |
| Brake pipe excessively corroded | 576 |
| Windscreen wiper does not clear the windscreen effectively | 501 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 268 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 202 |
| Registration plate issues | 155 |
| Brakes imbalanced across an axle | 140 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 96 |
| Parking brake: efficiency below requirements |3.7.B.7| | 94 |
| Nearside Stop lamp not working |1.2.1b| | 91 |
| Rear brake binding | 84 |
| Offside Stop lamp not working |1.2.1b| | 74 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 74 |
| Centre Stop lamp not working |1.2.1b| | 71 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 69 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 69 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 63 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 63 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 59 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 59 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 57 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 56 |
| Rear parking brake recording little or no effort | 54 |
| Nearside Headlamp not working on main beam |1.7.5a| | 52 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 47 |
| Nearside Front coil spring fractured |2.4.C.1a| | 47 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 46 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 45 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 44 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 44 |
| Battery insecure |1.9.1| | 42 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 42 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 40 |
| Nearside Rear Stop lamp not working |1.2.1b| | 40 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 36 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 35 |
| Nearside Front coil spring broken |2.4.C.1a| | 35 |
| Offside Front coil spring fractured |2.4.C.1a| | 34 |
| Front brake application uneven | 34 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 32 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 32 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 31 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 31 |
| Rear brake disc in such a condition that it is seriously weakened | 30 |
| Offside Front coil spring broken |2.4.C.1a| | 29 |
| Offside Headlamp not working on main beam |1.7.5a| | 29 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 28 |
| Anti-lock braking system warning lamp indicates an ABS fault | 28 |
| Nearside front brake binding |3.7.B.1| | 27 |
| Parking brake lever has no reserve travel |3.1.6b| | 27 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 27 |
| Offside front brake binding |3.7.B.1| | 26 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 25 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 25 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 25 |
| Front brake disc in such a condition that it is seriously weakened | 24 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 24 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 24 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 24 |
| Windscreen wiper blade insecure | 24 |
| Offside Rear Stop lamp not working |1.2.1b| | 23 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 23 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 23 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 21 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 21 |
| Emissions not tested |7.0| | 20 |
| Nearside Front front brake binding |3.7.B.1| | 20 |
| Front brake excessively fluctuating | 20 |
| Service brake: efficiency below requirements |3.7.B.7| | 20 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 20 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 19 |
| Offside front brake juddering severely |3.7.A.2b| | 18 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 18 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 18 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 17 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 17 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 17 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 17 |
| Power steering fluid level below minimum |2.3.1| | 16 |
| Rear brake application uneven | 16 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 16 |
| Bonnet cannot be secured in the closed position |8.4.1| | 16 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 15 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 15 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 15 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 15 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 15 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 15 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 15 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 15 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Nearside front brake juddering severely |3.7.A.2b| | 14 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 14 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 14 |
| Front position lamp|s| not working |1.1.A.3b| | 13 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 13 |
| Windscreen has damage | 13 |
| Offside Front coil spring incomplete |2.4.C.1a| | 13 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 13 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 13 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 13 |
| Offside Ball joint has excessive play |2.2.B.1f| | 12 |
| Offside Rear fog lamp not working |1.3.2b| | 12 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 12 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 12 |
| Rear Mechanical brake component has restricted free movement | 12 |
| Nearside Rear Road wheel bead rim badly distorted |4.2.A.1a| | 12 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 12 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 11 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 11 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| Offside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 11 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 11 |
| Nearside Front coil spring cracked |2.4.C.1a| | 11 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 11 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 11 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 11 |