| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 1728 |
| Registration plate lamp issues | 1075 |
| Windscreen wiper does not clear the windscreen effectively | 1016 |
| Headlamp aim out of alignment | 856 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 279 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 263 |
| Registration plate issues | 199 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 176 |
| Brakes imbalanced across an axle | 158 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 154 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 125 |
| Anti-lock braking system warning lamp indicates an ABS fault | 120 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 112 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 104 |
| Rear fog lamp not working |1.3.2b| | 98 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 79 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 77 |
| Windscreen washer not working | 76 |
| Offside Rear fog lamp not working |1.3.2b| | 75 |
| Offside Front Position lamp not working |4.2.1 |a|| | 63 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 63 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 62 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 60 |
| Nearside Stop lamp not working |1.2.1b| | 58 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 58 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 55 |
| Brake load sensing valve seized but ABS functioning (1.1.17 (c) (i)) | 54 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 53 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 50 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 49 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 49 |
| Offside Stop lamp not working |1.2.1b| | 48 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 42 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 41 |
| Windscreen has damage | 40 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 39 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 38 |
| Nearside Rear Leaf spring fractured (5.3.1 (b) (i)) | 38 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 38 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 37 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 37 |
| Nearside Rear Shock absorbers has a serious fluid leak | 36 |
| Offside Rear Leaf spring fractured (5.3.1 (b) (i)) | 35 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 34 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 34 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 32 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 32 |
| Offside Rear Shock absorbers has a serious fluid leak | 32 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 31 |
| Parking brake: efficiency below requirements |3.7.B.7| | 31 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 31 |
| Offside Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 31 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 31 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 30 |
| Brake performance not tested (1.2.1 (g)) | 30 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 30 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 30 |
| Offside Front Shock absorbers has a serious fluid leak | 30 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 30 |
| Nearside Front Shock absorbers has a serious fluid leak | 29 |
| Battery insecure |1.9.1| | 29 |
| Offside Rear Leaf spring fractured |2.4.B.1a| | 29 |
| Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 28 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 28 |
| Rear fog lamp missing (4.5.1 (a) (ii)) | 28 |
| Nearside Front Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 28 |
| Nearside Rear Leaf spring fractured |2.4.B.1a| | 28 |
| Brake hose excessively deteriorated | 27 |
| Horn not working |1.6.2a| | 27 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 27 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 27 |
| Rear parking brake recording little or no effort | 26 |
| Rear fog lamp missing |1.3.2a| | 26 |
| Trailer electrical socket insecure |1.9.3a| | 26 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 24 |
| Offside Rear Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 24 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 24 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 24 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 23 |
| Rear fog lamp emits a light other than red |1.3.2e| | 23 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 23 |
| Rear brake application uneven | 23 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 22 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 22 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 21 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 21 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 20 |
| Emissions not tested (8.2.2.2 (e)) | 20 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 20 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 19 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 19 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 19 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 19 |
| Offside Front Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 19 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 18 |
| Nearside Front Shock absorbers has an excessively worn bush (5.3.2 (c)) | 18 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 18 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 18 |
| Offside Front Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 18 |