| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1401 |
| Brake pipe excessively corroded | 1211 |
| Registration plate lamp issues | 1183 |
| Windscreen wiper does not clear the windscreen effectively | 804 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 489 |
| Registration plate issues | 362 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 288 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 287 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 257 |
| Brakes imbalanced across an axle | 232 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 170 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 163 |
| Nearside Front coil spring fractured |2.4.C.1a| | 158 |
| Nearside Stop lamp not working |1.2.1b| | 156 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 146 |
| Offside Stop lamp not working |1.2.1b| | 146 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 138 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 133 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 132 |
| Parking brake: efficiency below requirements |3.7.B.7| | 129 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 127 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 123 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 122 |
| Rear brake binding | 122 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 122 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 121 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 118 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 114 |
| Service brake: efficiency below requirements |3.7.B.7| | 106 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 105 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 100 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 99 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 97 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 95 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 92 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 90 |
| Nearside Headlamp not working on main beam |1.7.5a| | 83 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 83 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 83 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 83 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 81 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 78 |
| Offside Front coil spring fractured |2.4.C.1a| | 78 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 73 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 72 |
| Centre Stop lamp not working |1.2.1b| | 71 |
| Anti-lock braking system warning lamp indicates an ABS fault | 69 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 68 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 65 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 62 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 62 |
| Rear parking brake recording little or no effort | 61 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 60 |
| Emissions not tested |7.0| | 58 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 57 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 56 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 56 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 54 |
| Front brake application uneven | 54 |
| Offside Rear Stop lamp not working |1.2.1b| | 51 |
| Nearside Rear Stop lamp not working |1.2.1b| | 50 |
| Parking brake lever has no reserve travel |3.1.6b| | 49 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 49 |
| Offside Ball joint has excessive play |2.2.B.1f| | 49 |
| Battery insecure |1.9.1| | 48 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 47 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 47 |
| Offside Steering rack gaiter split |2.2.D.2d| | 45 |
| Offside Headlamp not working on main beam |1.7.5a| | 44 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 43 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 42 |
| Windscreen has damage | 42 |
| Windscreen wiper blade insecure | 41 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 40 |
| Nearside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 39 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 38 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 36 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 36 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 36 |
| Front brake disc in such a condition that it is seriously weakened | 35 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 35 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 34 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 34 |
| Offside Front coil spring incomplete |2.4.C.1a| | 33 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 33 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 33 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 32 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 32 |
| Offside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 31 |
| Rear brake disc in such a condition that it is seriously weakened | 31 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 31 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 30 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 30 |
| Offside Front Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 29 |
| Nearside Front coil spring broken |2.4.C.1a| | 28 |
| Horn not working |1.6.2a| | 28 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 28 |
| Rear brake application uneven | 27 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 27 |
| Front position lamp|s| not working |1.1.A.3b| | 26 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 26 |
| Offside Front coil spring broken |2.4.C.1a| | 25 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 25 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 25 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 24 |
| Nearside Front coil spring cracked |2.4.C.1a| | 24 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 24 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 24 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 24 |
| Offside Rear fog lamp not working |1.3.2b| | 23 |
| Bonnet cannot be secured in the closed position |8.4.1| | 23 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 23 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 22 |
| Offside front brake binding |3.7.B.1| | 22 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 22 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 21 |
| Nearside front brake binding |3.7.B.1| | 21 |
| Nearside Front Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 21 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 21 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 21 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 21 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 21 |
| Side repeater incorrect colour |1.4.A.2f| | 20 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 20 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 20 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 20 |
| Offside front brake juddering severely |3.7.A.2b| | 20 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 20 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 20 |
| Front brake excessively fluctuating | 19 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 19 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 19 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 18 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 18 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 18 |
| Rear brake disc excessively pitted |3.5.1h| | 18 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 18 |
| Nearside front brake juddering severely |3.7.A.2b| | 18 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 18 |