| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 2482 |
| Registration plate lamp issues | 2036 |
| Headlamp aim out of alignment | 1658 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1196 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 605 |
| Brake pipe excessively corroded | 593 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 565 |
| Rear brake binding | 494 |
| Rear parking brake recording little or no effort | 479 |
| Brakes imbalanced across an axle | 461 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 350 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 328 |
| Registration plate issues | 243 |
| Rear brake disc in such a condition that it is seriously weakened | 236 |
| Anti-lock braking system warning lamp indicates an ABS fault | 221 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 217 |
| Offside Stop lamp not working |1.2.1b| | 216 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 213 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 207 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 187 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 181 |
| Nearside Stop lamp not working |1.2.1b| | 176 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 172 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 168 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 163 |
| Parking brake lever has no reserve travel |3.1.6b| | 161 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 149 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 147 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 140 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 137 |
| Battery insecure |1.9.1| | 133 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 129 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 125 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 114 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 111 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 111 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 111 |
| Offside Front Position lamp not working |4.2.1 |a|| | 110 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 109 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 105 |
| Offside Rear Stop lamp not working |1.2.1b| | 95 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 90 |
| Front brake disc in such a condition that it is seriously weakened | 86 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 80 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 80 |
| Windscreen wiper blade insecure | 80 |
| Brake hose excessively deteriorated | 78 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 77 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 74 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 73 |
| Nearside Rear Stop lamp not working |1.2.1b| | 71 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 71 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 71 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 69 |
| Rear brake application uneven | 67 |
| Rear Mechanical brake component has restricted free movement | 67 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 65 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 64 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 63 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 63 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 62 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 62 |
| Front brake application uneven | 60 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 58 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 58 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 57 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 54 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 52 |
| Service brake: efficiency below requirements |3.7.B.7| | 51 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 49 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 48 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 48 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 47 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 46 |
| Windscreen has damage | 45 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 45 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 45 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 44 |
| 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| | 44 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 44 |
| Nearside Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 42 |
| 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| | 42 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 42 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 42 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 41 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 41 |
| Windscreen washer not working | 41 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 40 |
| Nearside Side repeater not working |1.4.A.2c| | 40 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 40 |
| Offside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 40 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 39 |
| Offside Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 39 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 39 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 38 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 37 |
| Offside Rear Anti-roll bar linkage insecure |2.4.G.1| | 37 |
| Front brake excessively fluctuating | 37 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 36 |
| Rear fog lamp not working |1.3.2b| | 36 |