| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3563 |
| Brake pipe excessively corroded | 2733 |
| Registration plate lamp issues | 2156 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1525 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1466 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1449 |
| Windscreen wiper does not clear the windscreen effectively | 1047 |
| Rear parking brake recording little or no effort | 1026 |
| Offside Stop lamp not working |1.2.1b| | 755 |
| Nearside Stop lamp not working |1.2.1b| | 717 |
| Brake hose excessively deteriorated | 677 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 662 |
| Offside Side repeater not working |1.4.A.2c| | 623 |
| Nearside Side repeater not working |1.4.A.2c| | 554 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 505 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 489 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 482 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 475 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 470 |
| Registration plate issues | 461 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 415 |
| Anti-lock braking system warning lamp indicates an ABS fault | 398 |
| Offside Rear Stop lamp not working |1.2.1b| | 369 |
| Brakes imbalanced across an axle | 368 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 357 |
| Front brake disc in such a condition that it is seriously weakened | 355 |
| Nearside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 316 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 314 |
| Nearside Rear Stop lamp not working |1.2.1b| | 314 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 302 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 296 |
| Emissions not tested |7.0| | 284 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 268 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 259 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 243 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 241 |
| Brake hose damaged | 240 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 236 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 234 |
| Offside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 225 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 225 |
| Nearside Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 222 |
| 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| | 194 |
| 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| | 190 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 189 |
| 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| | 189 |
| Offside Rear coil spring broken |2.4.C.1a| | 186 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 177 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 173 |
| Offside Front Side repeater not working |1.4.A.2c| | 173 |
| Offside Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 170 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 157 |
| Nearside Front Side repeater not working |1.4.A.2c| | 156 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 156 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 144 |
| Rear brake binding | 144 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 142 |
| Rear Exhaust system not adequately supported |7.1.1| | 137 |
| Nearside Rear Shock absorbers has a serious fluid leak | 136 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 136 |
| Front position lamp|s| not working |1.1.A.3b| | 136 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 136 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 133 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 131 |
| Rear brake disc in such a condition that it is seriously weakened | 131 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 130 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 129 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 128 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 127 |
| Offside Front Position lamp not working |4.2.1 |a|| | 126 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 125 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 125 |
| Offside Steering rack gaiter split |2.2.D.2d| | 123 |
| Windscreen has damage | 120 |
| Service brake: efficiency below requirements |3.7.B.7| | 120 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 119 |
| Nearside Front Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 118 |
| Nearside Rear coil spring broken |2.4.C.1a| | 117 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 112 |
| 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| | 112 |
| Parking brake lever has no reserve travel |3.1.6b| | 109 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 109 |
| 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| | 108 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 108 |
| Offside Rear Shock absorbers has a serious fluid leak | 107 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.4.B.1| | 107 |
| Battery insecure |1.9.1| | 107 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 106 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 103 |
| Offside Rear fog lamp not working |1.3.2b| | 102 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 101 |
| Offside Front Direction indicator not working |1.4.A.2c| | 99 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 97 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 95 |
| Offside Front Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 94 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 93 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 92 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 91 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 88 |
| Rear fog lamp not working |1.3.2b| | 87 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 86 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 85 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 85 |
| Front Front position lamp|s| not working |1.1.A.3b| | 82 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 81 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 80 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 77 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 77 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 75 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 74 |
| Offside Side repeater excessively damaged so that it is not visible from a reasonable distance |1.4.A.2e| | 74 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 74 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 74 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 73 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 72 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 72 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 71 |
| Nearside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 71 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 69 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 68 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 68 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 67 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 66 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 65 |
| Exhaust system not adequately supported |7.1.1| | 65 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 65 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 64 |
| Front brake application uneven | 64 |