| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1648 |
| Headlamp aim out of alignment | 1157 |
| Registration plate lamp issues | 1008 |
| Brake pipe excessively corroded | 522 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 481 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 449 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 410 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 401 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 275 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 248 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 222 |
| Registration plate issues | 204 |
| Front brake disc in such a condition that it is seriously weakened | 174 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 160 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 160 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 150 |
| Offside Rear Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 142 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 138 |
| Nearside Rear Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 132 |
| Nearside Front Shock absorbers has a serious fluid leak | 132 |
| Brakes imbalanced across an axle | 129 |
| Windscreen washer not working | 127 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 122 |
| Parking brake: efficiency below requirements |3.7.B.7| | 119 |
| Offside Front Shock absorbers has a serious fluid leak | 115 |
| Anti-lock braking system warning lamp indicates an ABS fault | 110 |
| Offside Rear Shock absorbers has a serious fluid leak | 108 |
| Rear parking brake recording little or no effort | 99 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 98 |
| Nearside Rear Shock absorbers has a serious fluid leak | 97 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 90 |
| Rear brake binding | 88 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 88 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 84 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 83 |
| Offside Front Position lamp not working |4.2.1 |a|| | 82 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 82 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 72 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 71 |
| Central Rear Seat belt buckle missing (7.1.2 (d)) | 71 |
| Rear brake disc in such a condition that it is seriously weakened | 68 |
| Parking brake lever has no reserve travel |3.1.6b| | 67 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 60 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 60 |
| Nearside Rear Anti-roll bar linkage fractured |2.4.G.1| | 59 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 57 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 54 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 54 |
| Offside Rear Anti-roll bar linkage fractured |2.4.G.1| | 51 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 51 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 51 |
| Exhaust emissions exceed default limit of 1.5m-1 |8.2.2.2 |b|| | 48 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 48 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 46 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 46 |
| Windscreen has damage | 45 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 44 |
| Nearside Rear Anti-roll bar linkage insecurely attached (5.3.3 (a) (i)) | 44 |
| Rear fog lamp not working |1.3.2b| | 44 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 43 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 42 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 42 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 42 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 40 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 40 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 40 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 39 |
| Offside Rear Anti-roll bar linkage insecurely attached (5.3.3 (a) (i)) | 38 |
| Brake hose excessively deteriorated | 38 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 36 |
| Offside Rear fog lamp not working |1.3.2b| | 35 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 34 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 34 |
| Nearside Rear Anti-roll bar linkage insecure |2.4.G.1| | 33 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 33 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 33 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 32 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 32 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 32 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 31 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 31 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 31 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 30 |