| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 208 |
| Windscreen wiper does not clear the windscreen effectively | 144 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 59 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 55 |
| Registration plate lamp issues | 42 |
| Registration plate issues | 31 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 21 |
| Brakes imbalanced across an axle | 18 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 18 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 17 |
| Rear brake disc in such a condition that it is seriously weakened | 16 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 16 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 15 |
| Windscreen washer not working | 14 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 12 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 12 |
| Offside Front Shock absorbers has a serious fluid leak | 11 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 11 |
| Nearside Front Shock absorbers has a serious fluid leak | 10 |
| Front Sub-frame corroded and seriously weakened (5.3.3 (b) (i)) | 10 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 9 |
| Rear brake binding | 7 |
| Windscreen has damage | 7 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 7 |
| Front brake application uneven | 6 |
| Anti-lock braking system warning lamp indicates an ABS fault | 6 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 6 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Rear Upper Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Horn not working (7.7 (a)) | 6 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 5 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Nearside Front position lamp(s) not working (1.1.A.3b) | 5 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 4 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Offside Front position lamp(s) not working (1.1.A.3b) | 4 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 4 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 4 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 4 |
| Offside Front Sub-frame corroded and seriously weakened (5.3.3 (b) (i)) | 4 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 4 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 4 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Exhaust emissions exceed default limit of 1.5m-1 |8.2.2.2 |b|| | 3 |
| Offside Side repeater not working |1.4.A.2c| | 3 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 3 |
| Offside Front Position lamp not working |4.2.1 |a|| | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Brake hose has insufficient room to move | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Rear brake application uneven | 3 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Windscreen wiper blade insecure | 3 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 3 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Nearside Rear Upper Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 3 |
| Parking brake: efficiency below requirements (3.7.B.7) | 3 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Brake fluid warning lamp illuminated (3.6.G.2) | 3 |
| Central Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 3 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 3 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Nearside Rear Shock absorbers has a serious fluid leak | 3 |
| Nearside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 3 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Offside Rear Upper Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone A (8.3.1e) | 3 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Rear Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 3 |