| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 1734 |
| Registration plate lamp issues | 1153 |
| Windscreen wiper does not clear the windscreen effectively | 972 |
| Headlamp aim out of alignment | 924 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 281 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 275 |
| Registration plate issues | 237 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 192 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 179 |
| Brakes imbalanced across an axle | 166 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 121 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 108 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 106 |
| Anti-lock braking system warning lamp indicates an ABS fault | 105 |
| Rear fog lamp not working |1.3.2b| | 99 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 97 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 89 |
| Offside Rear fog lamp not working |1.3.2b| | 83 |
| Offside Front Position lamp not working |4.2.1 |a|| | 80 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 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)) | 72 |
| Windscreen washer not working | 70 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 61 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 61 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 58 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 56 |
| Offside Front Shock absorbers has a serious fluid leak | 56 |
| Nearside Front Shock absorbers has a serious fluid leak | 55 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 52 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 51 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 51 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 51 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 50 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 49 |
| Offside Stop lamp not working |1.2.1b| | 49 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 49 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 47 |
| Nearside Stop lamp not working |1.2.1b| | 45 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 43 |
| Nearside Rear Leaf spring fractured (5.3.1 (b) (i)) | 40 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 39 |
| Parking brake: efficiency below requirements |3.7.B.7| | 39 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 38 |
| Nearside Rear Leaf spring fractured |2.4.B.1a| | 37 |
| Offside Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 36 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 35 |
| Brake load sensing valve seized but ABS functioning (1.1.17 (c) (i)) | 35 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 34 |
| Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 34 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 34 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 33 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 33 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 32 |
| Nearside Front Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 32 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 31 |
| Nearside Rear Shock absorbers has a serious fluid leak | 29 |
| Brake performance not tested (1.2.1 (g)) | 29 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 29 |
| Battery insecure |1.9.1| | 28 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 27 |
| Offside Rear Shock absorbers has a serious fluid leak | 27 |
| Offside Front Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 27 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 27 |
| Offside Rear Leaf spring fractured |2.4.B.1a| | 27 |
| Rear parking brake recording little or no effort | 26 |
| Reversing lamp inoperative (4.6.1 (a)) | 25 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 24 |
| Offside Rear Leaf spring fractured (5.3.1 (b) (i)) | 24 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 24 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 23 |
| Windscreen has damage | 23 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 23 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 23 |
| Offside Rear Stop lamp not working |1.2.1b| | 23 |
| Emissions not tested (8.2.2.2 (e)) | 22 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 22 |
| Front brake disc in such a condition that it is seriously weakened | 22 |
| Rear fog lamp missing |1.3.2a| | 21 |
| Offside Rear Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 21 |
| Front brake excessively fluctuating | 21 |
| Nearside Rear Stop lamp not working |1.2.1b| | 20 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 20 |
| Rear brake application uneven | 20 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 19 |
| 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| | 19 |
| Brake hose excessively deteriorated | 19 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 19 |