| Most common failures | No# failures |
|---|
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 144 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 90 |
| Headlamp aim out of alignment | 63 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 57 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 54 |
| Windscreen wiper does not clear the windscreen effectively | 53 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 41 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 39 |
| Registration plate lamp issues | 36 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 32 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 30 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 26 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 24 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 21 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 19 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 18 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 18 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 15 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 15 |
| Brake pipe excessively corroded | 14 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 10 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 10 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 10 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Windscreen washer not working | 9 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 8 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 8 |
| Trailer electrical socket (13 pin) not operating the trailer lamps as intended (4.10 (c) (i)) | 8 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Offside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 7 |
| Registration plate issues | 5 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 5 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 5 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 4 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Front Track rod end ball joint worn to the extent there is a serious risk of detachment (2.1.3 (b) (ii)) | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 4 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 3 |
| Nearside Front Shock absorbers has a serious fluid leak | 3 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Offside Front Shock absorbers has a serious fluid leak | 3 |
| Nearside Rear Coil spring fractured or broken broken (5.3.1 (b) (i)) | 3 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Brakes imbalanced across an axle | 3 |
| Offside Rear Shock absorbers has a serious fluid leak | 3 |
| Nearside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Front Seat belt damaged (7.1.2 (b) (i)) | 3 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Front fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 3 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Daytime running lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Front Track rod end ball joint worn to the extent there is a serious risk of detachment (2.1.3 (b) (ii)) | 2 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside Front Front fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Nearside Front Front fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Nearside Front Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 2 |
| Offside Rear Coil spring fractured or broken spring broken (5.3.1 (b) (i)) | 2 |
| Nearside Track rod end ball joint worn to the extent there is a serious risk of detachment (2.1.3 (b) (ii)) | 2 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 2 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Spare wheel insecure in carrier (6.1.5 (b) (i)) | 2 |
| Rear fog lamp switch inoperative (4.5.3 (a)) | 2 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 2 |
| Oil leaking excessively from transmission (8.4.1 (a) (i)) | 2 |
| Brake performance unable to be tested (1.2.1 (g)) | 2 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Rear Service brake excessively binding rear brakes binding (1.2.1 (f)) | 2 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Offside Daytime running lamp not working (4.2.1 (a) (ii)) | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Nearside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Offside Front Outer Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |