| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 206 |
| Headlamp aim out of alignment | 133 |
| Brake pipe excessively corroded | 90 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 62 |
| Registration plate lamp issues | 58 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 51 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 39 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 36 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 33 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 29 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 28 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 28 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 28 |
| Registration plate issues | 28 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 26 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 21 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 21 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 19 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 17 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 15 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 15 |
| Front brake disc in such a condition that it is seriously weakened | 14 |
| Windscreen washer not working | 13 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 12 |
| Nearside Rear Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 12 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 12 |
| Anti-lock braking system warning lamp indicates an ABS fault | 11 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 8 |
| Brakes imbalanced across an axle | 7 |
| Horn not working (7.7 (a)) | 7 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 7 |
| Nearside Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 6 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Front Position lamp not working |4.2.1 |a|| | 6 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 6 |
| Brake hose excessively deteriorated | 6 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 5 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 5 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Emissions not tested (8.2.2.2 (e)) | 5 |
| Trailer electrical socket (13 pin) not operating the trailer lamps as intended (4.10 (c) (i)) | 5 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 4 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 4 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 4 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |