| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1397 |
| Registration plate lamp issues | 1330 |
| Windscreen wiper does not clear the windscreen effectively | 1173 |
| Parking brake: efficiency below requirements |3.7.B.7| | 936 |
| Brake pipe excessively corroded | 501 |
| Rear parking brake recording little or no effort | 475 |
| Offside Stop lamp not working |1.2.1b| | 421 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 419 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 397 |
| Registration plate issues | 307 |
| Nearside Stop lamp not working |1.2.1b| | 300 |
| Rear brake binding | 266 |
| Brakes imbalanced across an axle | 245 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 225 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 225 |
| Offside Rear Stop lamp not working |1.2.1b| | 193 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 167 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 152 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 144 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 133 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 130 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 127 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 126 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 125 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 124 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 121 |
| Nearside Rear Stop lamp not working |1.2.1b| | 120 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 120 |
| Centre Stop lamp not working |1.2.1b| | 120 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 117 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 116 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 115 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 113 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 110 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 109 |
| Brake hose excessively deteriorated | 107 |
| Front brake disc in such a condition that it is seriously weakened | 105 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 102 |
| Battery insecure |1.9.1| | 101 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 98 |
| Rear brake disc in such a condition that it is seriously weakened | 97 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 92 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 86 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 86 |
| Offside Rear fog lamp not working |1.3.2b| | 74 |
| Windscreen has damage | 73 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 72 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 71 |
| Anti-lock braking system warning lamp indicates an ABS fault | 71 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 70 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 70 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 67 |
| Power steering component|s| leaking |2.3.3b| | 66 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 63 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 61 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 60 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 58 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 58 |
| Horn not working |1.6.2a| | 57 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 56 |
| Front brake application uneven | 50 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 50 |
| Emissions not tested |7.0| | 49 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 49 |
| Windscreen wiper blade insecure | 48 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 48 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 47 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 47 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 47 |
| Rear brake application uneven | 46 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 46 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 46 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 45 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 45 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 44 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 43 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 42 |
| Offside front brake binding |3.7.B.1| | 42 |
| Stop lamp not working |1.2.1b| | 42 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 41 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 41 |
| Parking brake lever has no reserve travel |3.1.6b| | 40 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 40 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 40 |
| Offside Rear coil spring fractured |2.4.C.1a| | 39 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 38 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 37 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 37 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 36 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 36 |
| Front Exhaust system not adequately supported |7.1.1| | 36 |
| Exhaust system not adequately supported |7.1.1| | 36 |
| Service brake: efficiency below requirements |3.7.B.7| | 35 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 35 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 35 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 34 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 34 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 34 |
| Centre Rear Stop lamp not working |1.2.1b| | 34 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 33 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 33 |
| Offside Headlamp not working on main beam |1.7.5a| | 33 |
| Rear fog lamp not working |1.3.2b| | 33 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 32 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 32 |
| Rear Mechanical brake component has restricted free movement | 31 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 31 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 30 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 30 |
| Nearside Rear coil spring broken |2.4.C.1a| | 29 |
| Offside Rear coil spring broken |2.4.C.1a| | 29 |
| Rear brake disc excessively pitted |3.5.1h| | 28 |
| Front position lamp|s| not working |1.1.A.3b| | 28 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 28 |
| Offside Front front brake binding |3.7.B.1| | 28 |
| Offside Headlamp insecure |1.7.3| | 28 |
| Offside Front brake disc excessively pitted |3.5.1h| | 28 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 28 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 27 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 27 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 26 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 26 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 26 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 25 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 25 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 25 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 24 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 24 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 24 |
| Nearside Headlamp not working on main beam |1.7.5a| | 24 |
| Nearside Headlamp insecure |1.7.3| | 24 |
| Front brake excessively fluctuating | 24 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 24 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 23 |