| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1302 |
| Brake pipe excessively corroded | 1217 |
| Headlamp aim out of alignment | 1012 |
| Registration plate lamp issues | 475 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 230 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 222 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 218 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 210 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 167 |
| 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 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 144 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 135 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 133 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 133 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 125 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 118 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 116 |
| Brakes imbalanced across an axle | 116 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 115 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 113 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 108 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 95 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 90 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 89 |
| Front brake disc in such a condition that it is seriously weakened | 88 |
| Anti-lock braking system warning lamp indicates an ABS fault | 83 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 81 |
| Windscreen washer not working | 76 |
| Registration plate issues | 73 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 72 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 69 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 67 |
| Offside Rear Stop lamp not working |1.2.1b| | 67 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 67 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 65 |
| Offside Rear fog lamp not working |1.3.2b| | 65 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 64 |
| Nearside Rear Stop lamp not working |1.2.1b| | 64 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 63 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 58 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 58 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 58 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 57 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 54 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 53 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 51 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 51 |
| Centre Stop lamp not working |1.2.1b| | 49 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 49 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 48 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 46 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 46 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 45 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 44 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 43 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 42 |
| 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 Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 41 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 41 |
| Offside Front coil spring broken |2.4.C.1a| | 41 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 38 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 38 |
| Nearside Rear Shock absorbers has a serious fluid leak | 37 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 37 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 36 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 36 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 36 |
| 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 |
| Reversing lamp inoperative (4.6.1 (a)) | 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 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 32 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 29 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 29 |
| Offside Rear Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 28 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 28 |
| Offside Rear Shock absorbers has a serious fluid leak | 28 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 27 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 26 |
| Brake hose excessively deteriorated | 25 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 24 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 24 |
| Offside Front Shock absorbers has a serious fluid leak | 24 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 24 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 23 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 23 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 23 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 22 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (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 Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 22 |