| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 535 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 371 |
| Headlamp aim out of alignment | 358 |
| Parking brake: efficiency below requirements |3.7.B.7| | 189 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 180 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 178 |
| Windscreen wiper does not clear the windscreen effectively | 176 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 107 |
| Offside Stop lamp not working |1.2.1b| | 97 |
| Nearside Stop lamp not working |1.2.1b| | 94 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 92 |
| Registration plate issues | 73 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 73 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 71 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 57 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 53 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 52 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 51 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 49 |
| Brakes imbalanced across an axle | 49 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 48 |
| Rear parking brake recording little or no effort | 46 |
| Offside Rear Stop lamp not working |1.2.1b| | 40 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 38 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 36 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 34 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 34 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 33 |
| Nearside Rear Stop lamp not working |1.2.1b| | 32 |
| Front brake disc in such a condition that it is seriously weakened | 29 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 29 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 28 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 27 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 26 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 26 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 25 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 24 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 20 |
| Emissions not tested |7.0| | 20 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 20 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 18 |
| Front brake application uneven | 18 |
| Offside Front Position lamp not working |4.2.1 |a|| | 17 |
| Fuel system component leaking |7.2.3| | 17 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 17 |
| Rear brake disc in such a condition that it is seriously weakened | 17 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 16 |
| Brake hose damaged | 16 |
| Rear brake binding | 16 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Windscreen has damage | 14 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 14 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 13 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 13 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 12 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 12 |
| Anti-lock braking system warning lamp indicates an ABS fault | 12 |
| Offside Side repeater not working |1.4.A.2c| | 12 |
| Rear brake application uneven | 12 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Service brake: efficiency below requirements |3.7.B.7| | 12 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 12 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| 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| | 11 |
| Front position lamp|s| not working |1.1.A.3b| | 11 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 11 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| 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| | 10 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 10 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 9 |
| Rear Exhaust system not adequately supported |7.1.1| | 9 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 9 |
| Brake hose has insufficient room to move | 9 |