| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 2636 |
| Registration plate lamp issues | 2156 |
| Headlamp aim out of alignment | 1615 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1442 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 695 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 664 |
| Rear parking brake recording little or no effort | 626 |
| Brake pipe excessively corroded | 606 |
| Rear brake binding | 516 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 484 |
| Brakes imbalanced across an axle | 438 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 277 |
| Rear brake disc in such a condition that it is seriously weakened | 270 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 260 |
| Offside Stop lamp not working |1.2.1b| | 253 |
| Parking brake lever has no reserve travel |3.1.6b| | 253 |
| Registration plate issues | 240 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 238 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 233 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 224 |
| Nearside Stop lamp not working |1.2.1b| | 218 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 206 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 198 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 176 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 169 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 163 |
| Battery insecure |1.9.1| | 146 |
| Anti-lock braking system warning lamp indicates an ABS fault | 143 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 142 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 140 |
| Offside Rear Stop lamp not working |1.2.1b| | 132 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 131 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 127 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 115 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 114 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 111 |
| Nearside Rear Stop lamp not working |1.2.1b| | 106 |
| Windscreen wiper blade insecure | 104 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 98 |
| Front brake disc in such a condition that it is seriously weakened | 93 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 93 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 91 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 90 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 88 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 86 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 82 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 81 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 80 |
| Windscreen has damage | 78 |
| Rear Mechanical brake component has restricted free movement | 77 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 76 |
| Offside Front Position lamp not working |4.2.1 |a|| | 76 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 76 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 72 |
| Rear brake application uneven | 70 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 70 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 69 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 68 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 67 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 67 |
| Brake hose excessively deteriorated | 67 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 66 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 65 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 65 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 64 |
| Service brake: efficiency below requirements |3.7.B.7| | 63 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 59 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 59 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 59 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 57 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 57 |
| Front brake application uneven | 57 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 56 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 55 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 53 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 50 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 50 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 49 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 49 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 47 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 46 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 46 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 45 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 45 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 45 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 44 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 43 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 43 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 43 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 43 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 42 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 42 |
| Front position lamp|s| not working |1.1.A.3b| | 41 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 41 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 41 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 41 |
| Offside Rear Anti-roll bar linkage insecure |2.4.G.1| | 41 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 39 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 39 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 37 |