| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 4173 |
| Headlamp aim out of alignment | 2152 |
| Registration plate lamp issues | 1981 |
| Windscreen wiper does not clear the windscreen effectively | 1427 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1113 |
| Rear parking brake recording little or no effort | 1034 |
| Parking brake lever has no reserve travel |3.1.6b| | 781 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 691 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 679 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 561 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 560 |
| Offside Stop lamp not working |1.2.1b| | 450 |
| Registration plate issues | 447 |
| Rear brake binding | 391 |
| Nearside Stop lamp not working |1.2.1b| | 386 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 379 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 325 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 317 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 314 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 304 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 300 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 247 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 198 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 193 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 185 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 185 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 176 |
| Offside Rear Stop lamp not working |1.2.1b| | 164 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 156 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 155 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 151 |
| Nearside Rear Stop lamp not working |1.2.1b| | 132 |
| Brakes imbalanced across an axle | 129 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 127 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 124 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 124 |
| Offside Rear fog lamp not working |1.3.2b| | 123 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 122 |
| Anti-lock braking system warning lamp indicates an ABS fault | 114 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 114 |
| Rear Mechanical brake component has restricted free movement | 110 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 108 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 101 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 98 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 92 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 90 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 88 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 87 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 84 |
| Brake hose excessively deteriorated | 83 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 83 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 83 |
| Battery insecure |1.9.1| | 80 |
| Brake pivot has restricted free movement |3.5.1k| | 80 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 79 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 78 |
| Rear brake disc in such a condition that it is seriously weakened | 77 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 77 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 76 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 76 |
| Offside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 75 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 74 |
| Rear fog lamp not working |1.3.2b| | 73 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 73 |
| Front brake disc in such a condition that it is seriously weakened | 72 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 71 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 71 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 70 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 68 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 66 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 66 |
| Rear Exhaust system not adequately supported |7.1.1| | 65 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 64 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 64 |
| Windscreen has damage | 63 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 63 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 61 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 61 |
| Nearside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 61 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 60 |
| Rear Brake pivot has restricted free movement |3.5.1k| | 58 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 58 |
| Windscreen wiper blade insecure | 57 |
| Service brake: efficiency below requirements |3.7.B.7| | 56 |
| Offside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 55 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 53 |
| Nearside Rear Shock absorbers has a serious fluid leak | 52 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 51 |
| Offside Rear Shock absorbers has a serious fluid leak | 51 |
| Fuel pipe leaking |7.2.3| | 51 |
| Nearside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 50 |
| Windscreen washer not working | 50 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 49 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 48 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 48 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 47 |
| Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 45 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 45 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 44 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 43 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 43 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 43 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 43 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 43 |
| Offside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 43 |
| Offside Front Position lamp not working |4.2.1 |a|| | 43 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 42 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 42 |
| Power steering fluid level below minimum |2.3.1| | 42 |
| Brake performance not tested |3.7.A.1| | 42 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 41 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 41 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 41 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 40 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 40 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 40 |
| Rear fog lamp tell tale not working |1.3.1b| | 40 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 39 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 39 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 39 |
| Offside Headlamp not working on main beam |1.7.5a| | 38 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 38 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 37 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 37 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 37 |
| Nearside Rear Seat belt retracting mechanism defective |5.2.5b| | 37 |