| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 2323 |
| Headlamp aim out of alignment | 1724 |
| Brake pipe excessively corroded | 1264 |
| Registration plate lamp issues | 703 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 450 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 418 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 388 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 375 |
| Centre Stop lamp not working |1.2.1b| | 371 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 319 |
| Brakes imbalanced across an axle | 275 |
| Registration plate issues | 232 |
| Offside Stop lamp not working |1.2.1b| | 225 |
| Nearside Stop lamp not working |1.2.1b| | 203 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 203 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 201 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 199 |
| Parking brake lever has no reserve travel |3.1.6b| | 196 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 188 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 187 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 183 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 178 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 162 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 148 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 139 |
| Offside Front Position lamp not working |4.2.1 |a|| | 133 |
| Anti-lock braking system warning lamp indicates an ABS fault | 129 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 129 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 123 |
| Nearside Rear Stop lamp not working |1.2.1b| | 118 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 110 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 109 |
| Offside Rear Stop lamp not working |1.2.1b| | 108 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 105 |
| Offside Front coil spring broken |2.4.C.1a| | 105 |
| Nearside Side repeater not working |1.4.A.2c| | 104 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 101 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 99 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 97 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 95 |
| Windscreen washer not working | 94 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 93 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 91 |
| Offside Side repeater not working |1.4.A.2c| | 91 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 90 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 88 |
| Offside Rear Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 87 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 87 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 85 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 83 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 82 |
| Central Stop lamp not working |1.2.1b| | 78 |
| Rear fog lamp not working |1.3.2b| | 78 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 76 |
| Centre Rear Stop lamp not working |1.2.1b| | 72 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 71 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 70 |
| Offside Rear fog lamp not working |1.3.2b| | 62 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 62 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 62 |
| Brake performance not tested (1.2.1 (g)) | 61 |
| Offside Front Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 61 |
| Stop lamp not working |1.2.1b| | 60 |
| Parking brake: efficiency below requirements |3.7.B.7| | 59 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 59 |
| Rear fog lamp tell tale not working |1.3.1b| | 58 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 57 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 54 |
| Upper Stop lamp not working |1.2.1b| | 53 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 53 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 52 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 52 |
| Front brake disc in such a condition that it is seriously weakened | 51 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 49 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 49 |
| Rear brake disc in such a condition that it is seriously weakened | 48 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 47 |
| Nearside Front coil spring broken |2.4.C.1a| | 46 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 45 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 44 |
| Central Stop lamp|s| not working |4.3.1 |a| |ii|| | 44 |
| Rear parking brake recording little or no effort | 42 |
| Windscreen wiper blade insecure | 42 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 41 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 41 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 41 |
| Windscreen has damage | 40 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 40 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 40 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 40 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 39 |
| Nearside Front Shock absorbers has a serious fluid leak | 39 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 39 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 39 |
| Front brake application uneven | 38 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 38 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 38 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 38 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 37 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 37 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 37 |