| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1138 |
| Brake pipe excessively corroded | 913 |
| Headlamp aim out of alignment | 853 |
| Registration plate lamp issues | 421 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 210 |
| Nearside Stop lamp not working |1.2.1b| | 164 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 160 |
| Offside Stop lamp not working |1.2.1b| | 152 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 147 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 138 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 133 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 120 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 114 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 98 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 89 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 89 |
| Brakes imbalanced across an axle | 88 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 81 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 81 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 80 |
| Front brake disc in such a condition that it is seriously weakened | 79 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 72 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 71 |
| Offside Rear Stop lamp not working |1.2.1b| | 67 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 65 |
| Offside Rear fog lamp not working |1.3.2b| | 65 |
| Nearside Rear Stop lamp not working |1.2.1b| | 64 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 63 |
| Registration plate issues | 61 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 58 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 58 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 58 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 54 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 53 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 51 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 50 |
| Windscreen washer not working | 50 |
| Centre Stop lamp not working |1.2.1b| | 49 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 46 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 46 |
| Anti-lock braking system warning lamp indicates an ABS fault | 46 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 45 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 43 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 42 |
| Exhaust emissions exceed default limit of 1.5m-1 |8.2.2.2 |b|| | 42 |
| Offside Front coil spring broken |2.4.C.1a| | 41 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 38 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 38 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 38 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 37 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 37 |
| Emissions not tested (8.2.2.2 (e)) | 34 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 34 |
| Central Stop lamp not working |1.2.1b| | 34 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 33 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 33 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 32 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 32 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 31 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 31 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 30 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 30 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 30 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 27 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 24 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 24 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 24 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 24 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 24 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 23 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 22 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 22 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 22 |
| Power steering fluid level below minimum |2.3.1| | 22 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 21 |
| Reversing lamp inoperative (4.6.1 (a)) | 21 |
| Nearside Rear Shock absorbers has a serious fluid leak | 21 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 21 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 20 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 19 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 19 |
| Rear Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 19 |
| Nearside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 19 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 19 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 18 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 18 |