| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 1631 |
| Windscreen wiper does not clear the windscreen effectively | 1540 |
| Headlamp aim out of alignment | 1443 |
| Brake pipe excessively corroded | 1003 |
| Rear parking brake recording little or no effort | 862 |
| Parking brake: efficiency below requirements |3.7.B.7| | 852 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 469 |
| Parking brake lever has no reserve travel |3.1.6b| | 437 |
| Registration plate issues | 403 |
| Nearside Stop lamp not working |1.2.1b| | 403 |
| Offside Stop lamp not working |1.2.1b| | 320 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 308 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 307 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 280 |
| Brakes imbalanced across an axle | 256 |
| Rear brake binding | 251 |
| Offside Rear fog lamp not working |1.3.2b| | 187 |
| Steering rack insecure |2.2.B.1a| | 170 |
| Anti-lock braking system warning lamp indicates an ABS fault | 165 |
| Nearside Rear Stop lamp not working |1.2.1b| | 156 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 154 |
| Offside Rear Stop lamp not working |1.2.1b| | 133 |
| Rear fog lamp not working |1.3.2b| | 127 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 119 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 118 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 117 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 115 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 115 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 114 |
| Windscreen has damage | 109 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 101 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 98 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 98 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 96 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 90 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 86 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 84 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 82 |
| Rear Mechanical brake component has restricted free movement | 82 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 77 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 76 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 76 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 72 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 72 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 72 |
| Service brake: efficiency below requirements |3.7.B.7| | 71 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 70 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 68 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 67 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 66 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 64 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 61 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 61 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 59 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 58 |
| Offside Rear Brake linkage has restricted free movement |3.5.1k| | 57 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 57 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 57 |
| Brake hose excessively deteriorated | 54 |
| Front brake application uneven | 53 |
| Offside Rear Brake lever has restricted free movement |3.5.1k| | 53 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 52 |
| Horn not working |1.6.2a| | 51 |
| Rear brake disc in such a condition that it is seriously weakened | 50 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 50 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 50 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 50 |
| Windscreen wiper blade insecure | 50 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 49 |
| Nearside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 49 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 48 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 47 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 46 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 46 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 45 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 45 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 45 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 44 |
| Offside front brake binding |3.7.B.1| | 44 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 44 |
| Rear brake application uneven | 43 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 42 |
| Mechanical brake component has restricted free movement | 41 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 41 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 41 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 40 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 40 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 39 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 39 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 39 |
| Rear Rear fog lamp not working |1.3.2b| | 39 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 39 |
| Offside Steering rack gaiter split |2.2.D.2d| | 39 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 38 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 37 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 37 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 36 |
| Nearside front brake binding |3.7.B.1| | 36 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 36 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 35 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 35 |
| Offside Rear Brake clevis joint has restricted free movement |3.5.1k| | 35 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 34 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 34 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 34 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 33 |
| Service brake: efficiency below requirements |3.7.C.1a| | 33 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 33 |