| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 2535 |
| Headlamp aim out of alignment | 1646 |
| Registration plate lamp issues | 985 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 489 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 472 |
| Brake pipe excessively corroded | 246 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 225 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 209 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 196 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 191 |
| Registration plate issues | 182 |
| Nearside Stop lamp not working |1.2.1b| | 178 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 168 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 164 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 159 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 159 |
| Offside Stop lamp not working |1.2.1b| | 136 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 135 |
| Brakes imbalanced across an axle | 128 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 123 |
| Parking brake lever has no reserve travel |3.1.6b| | 114 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 113 |
| Windscreen washer not working | 108 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 106 |
| Offside Front Position lamp not working |4.2.1 |a|| | 105 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 90 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 88 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 86 |
| Front brake disc in such a condition that it is seriously weakened | 86 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 83 |
| Nearside Rear Stop lamp not working |1.2.1b| | 79 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 78 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 69 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 64 |
| Offside Rear Stop lamp not working |1.2.1b| | 64 |
| Anti-lock braking system warning lamp indicates an ABS fault | 60 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 56 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 54 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 54 |
| Parking brake: efficiency below requirements |3.7.B.7| | 51 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 49 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 47 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 45 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 44 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 44 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 44 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 44 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 43 |
| Horn not working (7.7 (a)) | 41 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 41 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 40 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 38 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 38 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 38 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 37 |
| Windscreen has damage | 36 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 36 |
| Nearside Front Shock absorbers has a serious fluid leak | 34 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 34 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 33 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 31 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 31 |
| Rear brake disc in such a condition that it is seriously weakened | 31 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 30 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 30 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 30 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 28 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 28 |
| Windscreen wiper blade insecure | 27 |