| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 893 |
| Parking brake: efficiency below requirements |3.7.B.7| | 861 |
| Headlamp aim out of alignment | 777 |
| Rear parking brake recording little or no effort | 627 |
| Rear brake binding | 482 |
| Windscreen wiper does not clear the windscreen effectively | 409 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 300 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 289 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 283 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 273 |
| Brake pipe excessively corroded | 271 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 251 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 242 |
| Offside Front coil spring broken |2.4.C.1a| | 237 |
| Nearside Front coil spring broken |2.4.C.1a| | 225 |
| Rear brake disc in such a condition that it is seriously weakened | 206 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 189 |
| Brakes imbalanced across an axle | 186 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 168 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 147 |
| Offside Rear coil spring broken |2.4.C.1a| | 144 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 138 |
| Front brake disc in such a condition that it is seriously weakened | 137 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 133 |
| Nearside Stop lamp not working |1.2.1b| | 133 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 132 |
| Nearside Front coil spring fractured |2.4.C.1a| | 120 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 119 |
| Centre Stop lamp not working |1.2.1b| | 116 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 113 |
| Offside Front coil spring fractured |2.4.C.1a| | 113 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 102 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 100 |
| Offside Stop lamp not working |1.2.1b| | 100 |
| Nearside Rear coil spring broken |2.4.C.1a| | 94 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 93 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 89 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 85 |
| Nearside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 84 |
| Parking brake lever has no reserve travel |3.1.6b| | 81 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 77 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 77 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 76 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 76 |
| Rear Mechanical brake component has restricted free movement | 74 |
| Offside Front coil spring incomplete |2.4.C.1a| | 73 |
| Stop lamp not working |1.2.1b| | 72 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 71 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 70 |
| Registration plate issues | 69 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 68 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 66 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 64 |
| 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| | 63 |
| Offside Rear coil spring fractured |2.4.C.1a| | 61 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 60 |
| 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| | 59 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 57 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 56 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 55 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 53 |
| 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| | 51 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 51 |
| 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| | 50 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 50 |
| Nearside Rear Stop lamp not working |1.2.1b| | 50 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 48 |
| Anti-lock braking system warning lamp indicates an ABS fault | 48 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 48 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 46 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 44 |
| Horn not working |1.6.2a| | 44 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 43 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 41 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 39 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 38 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 38 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 37 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 36 |
| Front brake excessively fluctuating | 36 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 36 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 35 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 35 |
| Offside Rear Stop lamp not working |1.2.1b| | 35 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 34 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 34 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 34 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 33 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 33 |
| Windscreen washer not working | 31 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 31 |
| Headlamp switch faulty |1.7.1| | 31 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 30 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 29 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 29 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 29 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 28 |
| Front brake application uneven | 28 |
| Centre Rear Stop lamp not working |1.2.1b| | 28 |
| Offside Front Position lamp not working |4.2.1 |a|| | 27 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 27 |
| 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| | 27 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 27 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 26 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 26 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 26 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 26 |
| 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| | 26 |
| Offside Rear fog lamp not working |1.3.2b| | 25 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 25 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 25 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 25 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 24 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 24 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 24 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 24 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 24 |
| Offside Headlamp not working on main beam |1.7.5a| | 24 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 23 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 23 |
| Offside Front Anti-roll bar ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 23 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 23 |
| Rear brake application uneven | 23 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 23 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 23 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 22 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 22 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 22 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 22 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 22 |
| Rear fog lamp not working |1.3.2b| | 22 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 22 |
| Nearside Headlamp not working on main beam |1.7.5a| | 21 |
| Service brake: efficiency below requirements |3.7.B.7| | 20 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 20 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 20 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 20 |