| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 880 |
| Windscreen wiper does not clear the windscreen effectively | 832 |
| Registration plate lamp issues | 708 |
| Parking brake: efficiency below requirements |3.7.B.7| | 460 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 263 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 240 |
| Offside Stop lamp not working |1.2.1b| | 209 |
| Rear parking brake recording little or no effort | 200 |
| Rear brake binding | 189 |
| Nearside Stop lamp not working |1.2.1b| | 185 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 169 |
| Brake pipe excessively corroded | 168 |
| Brakes imbalanced across an axle | 140 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 127 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 122 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 119 |
| Registration plate issues | 104 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 104 |
| Rear brake disc in such a condition that it is seriously weakened | 95 |
| Offside Rear Stop lamp not working |1.2.1b| | 88 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 88 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 84 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 80 |
| Anti-lock braking system warning lamp indicates an ABS fault | 77 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 70 |
| Nearside Rear Stop lamp not working |1.2.1b| | 70 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 68 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 66 |
| Battery insecure |1.9.1| | 57 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 55 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 48 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 46 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 45 |
| Parking brake lever has no reserve travel |3.1.6b| | 43 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 41 |
| Front brake disc in such a condition that it is seriously weakened | 41 |
| 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| | 38 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 38 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 37 |
| 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| | 37 |
| Windscreen has damage | 36 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 35 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 35 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 35 |
| 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| | 34 |
| Front brake application uneven | 34 |
| 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| | 34 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 33 |
| Rear brake application uneven | 33 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 32 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 32 |
| Windscreen wiper blade insecure | 32 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 31 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 30 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 30 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 30 |
| Rear Mechanical brake component has restricted free movement | 29 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 29 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 27 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 27 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 26 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 26 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 23 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 23 |
| Service brake: efficiency below requirements |3.7.B.7| | 23 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 23 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 22 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 21 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 21 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 21 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 21 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 20 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 20 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 20 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 20 |
| Offside Rear fog lamp not working |1.3.2b| | 19 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 19 |
| Offside Rear Anti-roll bar linkage insecure |2.4.G.1| | 19 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 19 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 19 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 18 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 18 |
| Nearside front brake binding |3.7.B.1| | 17 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 17 |
| Front position lamp|s| not working |1.1.A.3b| | 17 |
| Offside Front coil spring broken |2.4.C.1a| | 16 |
| Offside front brake binding |3.7.B.1| | 16 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 16 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 15 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 15 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 15 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 15 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 15 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 14 |
| Nearside Front Shock absorbers has a serious fluid leak | 14 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 14 |
| Nearside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| 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| | 13 |
| Offside Rear Anti-roll bar linkage fractured |2.4.G.1| | 13 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 13 |