| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 922 |
| Parking brake: efficiency below requirements |3.7.B.7| | 413 |
| Registration plate lamp issues | 347 |
| Rear parking brake recording little or no effort | 302 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 289 |
| Windscreen wiper does not clear the windscreen effectively | 272 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 258 |
| Offside Stop lamp not working |1.2.1b| | 200 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 195 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 171 |
| Nearside Stop lamp not working |1.2.1b| | 160 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 140 |
| Brakes imbalanced across an axle | 135 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 133 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 129 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 122 |
| 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| | 110 |
| Registration plate issues | 108 |
| Brake hose excessively deteriorated | 105 |
| Anti-lock braking system warning lamp indicates an ABS fault | 103 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 101 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 98 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 96 |
| Offside Rear coil spring broken |2.4.C.1a| | 95 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 94 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 92 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 90 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 87 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 83 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 83 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 80 |
| 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| | 79 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 78 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 75 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 74 |
| Front brake disc in such a condition that it is seriously weakened | 69 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 69 |
| Offside Rear fog lamp not working |1.3.2b| | 67 |
| Nearside Rear Stop lamp not working |1.2.1b| | 66 |
| Nearside Rear coil spring broken |2.4.C.1a| | 66 |
| Offside Rear Stop lamp not working |1.2.1b| | 66 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 62 |
| 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| | 62 |
| 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| | 62 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 61 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 60 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 59 |
| Rear brake binding | 58 |
| 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| | 57 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 52 |
| 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 Rear Position lamp not working (4.2.1 (a) (ii)) | 48 |
| Offside Front Position lamp not working |4.2.1 |a|| | 47 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 46 |
| 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| | 44 |
| 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| | 44 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 43 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 42 |
| Emissions not tested |7.0| | 41 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 41 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 41 |
| 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| | 40 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 40 |
| 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| | 39 |
| Brake hose damaged | 37 |
| Rear brake disc in such a condition that it is seriously weakened | 36 |
| Windscreen washer not working | 36 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 36 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 35 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 35 |
| 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| | 34 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 33 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 33 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 33 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 33 |
| Exhaust system not adequately supported |7.1.1| | 32 |
| Rear Exhaust system not adequately supported |7.1.1| | 32 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 31 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 30 |
| Offside Front coil spring broken |2.4.C.1a| | 30 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 29 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 29 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 29 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 29 |
| Battery insecure |1.9.1| | 28 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 28 |
| 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| | 28 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 28 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 27 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 27 |
| Emissions not tested |7.4.B.1| | 27 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 27 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 26 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 26 |
| 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| | 26 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 25 |
| 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| | 25 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 25 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 25 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 25 |
| 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| | 24 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 24 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 24 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 24 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 24 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 24 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 23 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 23 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 23 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 23 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 23 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 23 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 23 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 23 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 23 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.4.B.1| | 23 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 22 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 22 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 22 |
| Windscreen has damage | 22 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 22 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 21 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 21 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 20 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 20 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 20 |
| Nearside Rear Shock absorbers has a serious fluid leak | 20 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 20 |
| Front brake excessively fluctuating | 19 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 19 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 19 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 19 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 19 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 19 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 19 |
| Rear fog lamp not working |1.3.2b| | 19 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 19 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 19 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 19 |