| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 143 |
| Headlamp aim out of alignment | 77 |
| Registration plate issues | 25 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 17 |
| Brake pipe excessively corroded | 17 |
| Brakes imbalanced across an axle | 15 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 14 |
| Windscreen washer not working | 13 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 13 |
| Offside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 13 |
| Nearside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 12 |
| Registration plate lamp issues | 11 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 10 |
| Offside Rear Shock absorbers has a serious fluid leak | 9 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 9 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 8 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Nearside Rear Shock absorbers has a serious fluid leak | 7 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 6 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 6 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 6 |
| Front brake disc in such a condition that it is seriously weakened | 6 |
| Rear brake disc in such a condition that it is seriously weakened | 6 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 6 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Trailer electrical socket (13 pin) not operating the trailer lamps as intended (4.10 (c) (i)) | 5 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Nearside Rear Position lamp with a multiple light source more than 1/2 not functioning (4.2.1 (a) (ii)) | 4 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 4 |
| Nearside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 4 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Nearside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Nearside Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 3 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Offside Front Shock absorbers has a serious fluid leak | 3 |
| Offside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Front Front fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Nearside Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 3 |
| Nearside Rear Anti-roll bar pin or bush excessively worn D bush (5.3.4 (a) (i)) | 3 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 3 |
| Trailer electrical socket wiring insulation damaged or deteriorated and likely to cause a short-circuit (4.10 (b) (ii)) | 3 |
| Offside Rear Anti-roll bar pin or bush excessively worn D bush (5.3.4 (a) (i)) | 3 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Nearside Rear Headlamp levelling device inoperative (4.1.5 (a)) | 2 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Nearside Rear Service brake lagging in operation (1.2.1 (d)) | 2 |
| Offside Front Windscreen wiper not working (3.4 (a)) | 2 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 2 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 2 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Nearside Front Shock absorbers has a serious fluid leak | 2 |
| Electronic stability control switch not functioning correctly (7.12 (d)) | 2 |
| Electronic parking brake warning indicates a malfunction (1.1.6 (e)) | 2 |
| Electronic parking brake control defective so that it cannot be satisfactorily operated (1.1.6 (d)) | 2 |
| Nearside Rear Seat belt buckle not functioning as intended (7.1.2 (d)) | 2 |
| Nearside Front Service brake lagging in operation (1.2.1 (d)) | 2 |
| Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Headlamp light intensity severely reduced (4.1.4 (a)) | 2 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 2 |
| Exhaust has a major leak of exhaust gases centre section snapped (6.1.2 (a)) | 2 |
| Offside Front Front fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Nearside Front Upper Suspension arm ball joint likely to become detached (5.3.4 (a) (ii)) | 2 |
| Offside Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside Front Seat belt webbing significantly weakened (7.1.2 (b) (ii)) | 2 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 2 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 2 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear fog lamp switch missing (4.5.3 (a)) | 2 |
| Emissions unable to be completed (8.2.2.2 (e)) | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Upper Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Inner Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Inner Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Headlamp not working on main beam both (4.1.1 (a) (ii)) | 2 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 2 |