| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1559 |
| Brake pipe excessively corroded | 1391 |
| Parking brake: efficiency below requirements |3.7.B.7| | 819 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 572 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 569 |
| Registration plate lamp issues | 532 |
| Rear parking brake recording little or no effort | 520 |
| Windscreen wiper does not clear the windscreen effectively | 507 |
| Brake hose excessively deteriorated | 410 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 383 |
| Offside Stop lamp not working |1.2.1b| | 354 |
| Nearside Stop lamp not working |1.2.1b| | 329 |
| Anti-lock braking system warning lamp indicates an ABS fault | 263 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 242 |
| Registration plate issues | 222 |
| Offside Rear coil spring broken |2.4.C.1a| | 202 |
| Brakes imbalanced across an axle | 200 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 196 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 178 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 175 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 174 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 173 |
| 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| | 172 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 171 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 165 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 161 |
| Emissions not tested |7.0| | 154 |
| Nearside Rear Stop lamp not working |1.2.1b| | 153 |
| Offside Rear Stop lamp not working |1.2.1b| | 150 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 141 |
| 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| | 130 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 129 |
| Front brake disc in such a condition that it is seriously weakened | 127 |
| Nearside Rear coil spring broken |2.4.C.1a| | 119 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 111 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 110 |
| 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| | 108 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 107 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 100 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 99 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 99 |
| 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| | 98 |
| Brake hose damaged | 97 |
| 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| | 94 |
| Rear brake binding | 89 |
| 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| | 86 |
| Rear brake disc in such a condition that it is seriously weakened | 84 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 84 |
| 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| | 82 |
| 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| | 81 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 76 |
| Battery insecure |1.9.1| | 75 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 75 |
| Service brake: efficiency below requirements |3.7.B.7| | 71 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 70 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 68 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 67 |
| 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| | 65 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 64 |
| 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| | 63 |
| Offside Front coil spring broken |2.4.C.1a| | 63 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 62 |
| Offside Front Position lamp not working |4.2.1 |a|| | 62 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 61 |
| Windscreen has damage | 60 |
| Rear Exhaust system not adequately supported |7.1.1| | 60 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 59 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 59 |
| 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| | 58 |
| Offside Rear coil spring fractured |2.4.C.1a| | 57 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.4.B.1| | 57 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 57 |
| 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| | 57 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 56 |
| Offside Rear fog lamp not working |1.3.2b| | 56 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 55 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 53 |
| Nearside Front Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 52 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 52 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 51 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 51 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 51 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 51 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 50 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 49 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 49 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 45 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 44 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 43 |
| Parking brake lever has no reserve travel |3.1.6b| | 43 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 42 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 42 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 41 |
| 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| | 41 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 40 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 40 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 39 |
| Exhaust system not adequately supported |7.1.1| | 38 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 37 |
| Front brake application uneven | 37 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 37 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 37 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 37 |
| Offside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 36 |
| Front position lamp|s| not working |1.1.A.3b| | 36 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 36 |
| Offside Rear Shock absorbers has a serious fluid leak | 35 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 35 |
| Rear Mechanical brake component has restricted free movement | 35 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 35 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 34 |
| Windscreen washer not working | 34 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 33 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 33 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 33 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 32 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 32 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 32 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 31 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 31 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 31 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 31 |
| Offside Front Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 30 |
| Offside Steering rack gaiter split |2.2.D.2d| | 30 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 30 |
| Front brake excessively fluctuating | 30 |