| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 291 |
| Headlamp aim out of alignment | 232 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 155 |
| Registration plate lamp issues | 147 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 141 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 93 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 89 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 87 |
| Offside Rear coil spring broken |2.4.C.1a| | 59 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 55 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 52 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 43 |
| Nearside Rear coil spring broken |2.4.C.1a| | 43 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 42 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 40 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 40 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 38 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 35 |
| Windscreen washer not working | 35 |
| Registration plate issues | 33 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 27 |
| Offside Front Position lamp not working |4.2.1 |a|| | 25 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 25 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 24 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 24 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 23 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 23 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 23 |
| Rear brake disc in such a condition that it is seriously weakened | 21 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 20 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 18 |
| Front brake disc in such a condition that it is seriously weakened | 18 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 18 |
| Brakes imbalanced across an axle | 18 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 17 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 15 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 15 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 13 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 12 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 12 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 12 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 11 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 11 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 10 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 9 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 9 |
| Offside Front Side repeater incorrect colour (4.4.3 (a)) | 9 |
| Anti-lock braking system warning lamp indicates an ABS fault | 9 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 9 |
| Parking brake: efficiency below requirements |3.7.B.7| | 9 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 8 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 8 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 8 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 7 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 7 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 7 |
| Nearside Front Side repeater incorrect colour (4.4.3 (a)) | 7 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 7 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 7 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 7 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 6 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Nearside Front Shock absorbers has a serious fluid leak | 6 |
| Horn not working (7.7 (a)) | 6 |
| Reversing lamp inoperative (4.6.1 (a)) | 6 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Front brake excessively fluctuating | 6 |