| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3096 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2601 |
| Registration plate lamp issues | 2140 |
| Brake pipe excessively corroded | 2049 |
| Rear parking brake recording little or no effort | 1380 |
| Windscreen wiper does not clear the windscreen effectively | 874 |
| Registration plate issues | 521 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 479 |
| Brake hose excessively deteriorated | 418 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 404 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 387 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 305 |
| Front brake disc in such a condition that it is seriously weakened | 284 |
| Offside Stop lamp not working |1.2.1b| | 278 |
| Brakes imbalanced across an axle | 257 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 254 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 236 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 236 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 219 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 216 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 216 |
| Nearside Stop lamp not working |1.2.1b| | 200 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 192 |
| Anti-lock braking system warning lamp indicates an ABS fault | 182 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 181 |
| Offside Rear fog lamp not working |1.3.2b| | 169 |
| Nearside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 160 |
| Offside Rear coil spring broken |2.4.C.1a| | 159 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 155 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 154 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 152 |
| Offside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 152 |
| Centre Stop lamp not working |1.2.1b| | 149 |
| Nearside Rear Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 146 |
| 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| | 145 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 144 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 143 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 141 |
| 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| | 135 |
| Offside Rear Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 134 |
| Windscreen has damage | 134 |
| 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| | 132 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 127 |
| Nearside Rear coil spring broken |2.4.C.1a| | 123 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 122 |
| 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| | 120 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 120 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 117 |
| Parking brake lever has no reserve travel |3.1.6b| | 115 |
| Windscreen washer not working | 108 |
| Offside Rear Stop lamp not working |1.2.1b| | 108 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 106 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 104 |
| Fuel system component leaking |7.2.3| | 104 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 101 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 100 |
| Rear brake binding | 99 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 99 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 96 |
| Front Exhaust system not adequately supported |7.1.1| | 96 |
| Nearside Rear Stop lamp not working |1.2.1b| | 96 |
| Rear brake disc in such a condition that it is seriously weakened | 95 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 95 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 89 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 89 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 86 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 84 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 82 |
| Fuel pipe leaking |7.2.3| | 81 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 81 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 79 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 77 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 76 |
| Nearside Headlamp insecure |1.7.3| | 73 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 73 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 73 |
| Offside Rear Suspension arm has excessive play in a ball joint |2.4.G.2| | 71 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 68 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 68 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 66 |
| Nearside Rear Suspension arm has excessive play in a ball joint |2.4.G.2| | 64 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 64 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 64 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 62 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 60 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 59 |
| Nearside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 59 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 59 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 59 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 58 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 58 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 58 |
| Horn not working |1.6.2a| | 56 |
| Emissions not tested |7.0| | 56 |
| Nearside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 56 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 55 |
| Offside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 54 |
| Front brake application uneven | 53 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 52 |
| Offside Rear coil spring fractured |2.4.C.1a| | 50 |
| Service brake: efficiency below requirements |3.7.B.7| | 50 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 50 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 48 |
| Centre Rear Statutory seat belt missing |5.1.1| | 48 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 47 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 47 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 46 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 46 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 45 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 44 |
| Offside Front Exhaust has a major leak of exhaust gases |7.1.2| | 44 |
| Offside Rear Wheel bolt|s| missing |4.2.A.1e| | 44 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 43 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 43 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 43 |