| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 629 |
| Windscreen wiper does not clear the windscreen effectively | 390 |
| Brake pipe excessively corroded | 310 |
| Headlamp aim out of alignment | 294 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 284 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 126 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 114 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 107 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 98 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 94 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 77 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 72 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 72 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 69 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 66 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 61 |
| Windscreen washer not working | 61 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 60 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 57 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 51 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 51 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 46 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 46 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 44 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 44 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 42 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 38 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 37 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 36 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 35 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 34 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 34 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 30 |
| Offside Front Shock absorbers has a serious fluid leak | 30 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 28 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 28 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 26 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 26 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 25 |
| Brakes imbalanced across an axle | 25 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 24 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 24 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 23 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 23 |
| Registration plate issues | 23 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 21 |
| Central Prop shaft bearing excessively worn (6.1.7 (b) (i)) | 20 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 19 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 19 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 19 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 19 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 16 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 16 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 16 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 15 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Front brake disc in such a condition that it is seriously weakened | 14 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 13 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 13 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 12 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 12 |
| Parking brake: efficiency below requirements |3.7.B.7| | 12 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Nearside Front Shock absorbers has a serious fluid leak | 11 |
| Rear brake disc in such a condition that it is seriously weakened | 11 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 11 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 11 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 11 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 11 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 11 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 11 |
| Offside Rear coil spring broken |2.4.C.1a| | 11 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 11 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 11 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Nearside Rear coil spring broken |2.4.C.1a| | 10 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 10 |
| Central Rear Seat belt buckle missing (7.1.2 (d)) | 10 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 9 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Prop shaft bearing excessively worn (6.1.7 (b) (i)) | 9 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 9 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 9 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 9 |
| Trailer electrical socket (13 pin) not operating the trailer lamps as intended (4.10 (c) (i)) | 9 |
| Offside Stop lamp not working |1.2.1b| | 9 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 9 |