| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 160 |
| Headlamp aim out of alignment | 93 |
| Brake pipe excessively corroded | 29 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 25 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 21 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 20 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 20 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 19 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 19 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 18 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Registration plate lamp issues | 13 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 12 |
| Brakes imbalanced across an axle | 10 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 9 |
| Horn not working (7.7 (a)) | 8 |
| Windscreen washer not working | 8 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 7 |
| Front brake disc in such a condition that it is seriously weakened | 6 |
| Central Rear Seat belt buckle not functioning as intended (7.1.2 (d)) | 6 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 6 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 6 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 6 |
| Registration plate issues | 6 |
| Rear brake disc in such a condition that it is seriously weakened | 5 |
| Central Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 4 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 4 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 3 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Brake performance not tested (1.2.1 (g)) | 3 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 3 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Central Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 3 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 3 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 3 |
| Headlamp cleaning device for LED or HID headlamp inoperative |4.1.6 |a| |ii|| | 3 |
| Brake performance unable to be tested (1.2.1 (g)) | 2 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 2 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 2 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 2 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 2 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 2 |
| Nearside Front Road wheel fixing loose (5.2.1 (a) (i)) | 2 |
| Nearside Front Steering linkage ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Offside Headlamp insecure (4.1.1 (c)) | 2 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Rear Fuel pipe leaking (6.1.3 (b) (i)) | 2 |
| Rear Service brake excessively binding both sides (1.2.1 (f)) | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 2 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 2 |