| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 792 |
| Windscreen wiper does not clear the windscreen effectively | 608 |
| Headlamp aim out of alignment | 549 |
| Brake pipe excessively corroded | 403 |
| Offside Stop lamp not working |1.2.1b| | 249 |
| Nearside Stop lamp not working |1.2.1b| | 219 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 197 |
| Parking brake: efficiency below requirements |3.7.B.7| | 192 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 154 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 153 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 144 |
| Parking brake lever has no reserve travel |3.1.6b| | 140 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 131 |
| Anti-lock braking system warning lamp indicates an ABS fault | 118 |
| Rear parking brake recording little or no effort | 108 |
| Registration plate issues | 91 |
| Brakes imbalanced across an axle | 87 |
| Nearside Rear Stop lamp not working |1.2.1b| | 81 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 79 |
| Offside Rear Stop lamp not working |1.2.1b| | 78 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 73 |
| Rear brake binding | 69 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 69 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 62 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 62 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 60 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 57 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 56 |
| Offside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 50 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 49 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 45 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 42 |
| Offside Headlamp not working on main beam |1.7.5a| | 42 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 37 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 37 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 36 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 35 |
| Nearside Headlamp not working on main beam |1.7.5a| | 35 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 34 |
| Windscreen has damage | 32 |
| Rear Exhaust system not adequately supported |7.1.1| | 31 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 30 |
| 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| | 30 |
| Brake hose has insufficient room to move | 28 |
| Battery insecure |1.9.1| | 27 |
| Rear brake disc in such a condition that it is seriously weakened | 27 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 27 |
| Front brake disc in such a condition that it is seriously weakened | 27 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 26 |
| Service brake: efficiency below requirements |3.7.B.7| | 25 |
| Front brake application uneven | 24 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 24 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 24 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 24 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 24 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 24 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 23 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 21 |
| Windscreen wiper blade insecure | 21 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 21 |
| Windscreen washer not working | 21 |
| Offside front brake binding |3.7.B.1| | 21 |
| 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| | 20 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 20 |
| 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| | 19 |
| Nearside Front Anti-lock braking system component excessively damaged |3.4.2| | 19 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 18 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 17 |
| Offside Rear fog lamp not working |1.3.2b| | 17 |
| Front brake excessively fluctuating | 17 |
| Nearside Front Shock absorbers has a serious fluid leak | 17 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 17 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 16 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 16 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 16 |
| Fuel system component leaking |7.2.3| | 16 |
| Rear Mechanical brake component has restricted free movement | 16 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 15 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 15 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 15 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 15 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Spare wheel carrier insecure |6.4.2| | 14 |
| Emissions not tested |7.0| | 14 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 14 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded outer sill |2.4.A.3| | 14 |
| Horn not working |1.6.2a| | 13 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 13 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |