| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 2104 |
| Headlamp aim out of alignment | 1804 |
| Brake pipe excessively corroded | 1087 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 480 |
| Registration plate lamp issues | 411 |
| Nearside Stop lamp not working |1.2.1b| | 405 |
| Offside Stop lamp not working |1.2.1b| | 391 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 237 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 228 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 226 |
| Brakes imbalanced across an axle | 200 |
| Offside Rear fog lamp not working |1.3.2b| | 181 |
| Offside Rear Stop lamp not working |1.2.1b| | 161 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 160 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 160 |
| Front brake disc in such a condition that it is seriously weakened | 158 |
| Offside Front coil spring broken |2.4.C.1a| | 155 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 154 |
| Nearside Rear Stop lamp not working |1.2.1b| | 151 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 147 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 146 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 143 |
| Anti-lock braking system warning lamp indicates an ABS fault | 142 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 140 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 140 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 136 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 135 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 131 |
| Registration plate issues | 128 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 114 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 106 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 100 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 99 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 98 |
| Centre Stop lamp not working |1.2.1b| | 96 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 94 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 92 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 86 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 85 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 83 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 81 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 81 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 78 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 78 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 76 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 75 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 75 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 73 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 70 |
| Nearside Rear Shock absorbers has a serious fluid leak | 66 |
| Windscreen washer not working | 65 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 64 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 62 |
| Exhaust emissions exceed default limit of 1.5m-1 |8.2.2.2 |b|| | 62 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 62 |
| Parking brake: efficiency below requirements |3.7.B.7| | 61 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 61 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 60 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 57 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 57 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 57 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 57 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 57 |
| Offside Front Shock absorbers has a serious fluid leak | 56 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 53 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 51 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 50 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 50 |
| Central Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 49 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 49 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 49 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 48 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 48 |
| Offside Rear Shock absorbers has a serious fluid leak | 47 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 47 |
| Rear fog lamp not working |1.3.2b| | 47 |
| Emissions not tested (8.2.2.2 (e)) | 46 |
| Rear Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 44 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 44 |
| Offside Front Position lamp not working |4.2.1 |a|| | 44 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 44 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 43 |
| Front brake excessively fluctuating | 43 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 41 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 41 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 40 |
| Nearside Front coil spring broken |2.4.C.1a| | 40 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 40 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 40 |
| Offside Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 38 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 38 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 35 |
| Central Stop lamp not working |1.2.1b| | 35 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 34 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 34 |
| Nearside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 33 |