| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 460 |
| Windscreen wiper does not clear the windscreen effectively | 285 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 228 |
| Headlamp aim out of alignment | 225 |
| Brake pipe excessively corroded | 190 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 90 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 82 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 72 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 63 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 61 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 54 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 48 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 45 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 43 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 42 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 42 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 41 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 38 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 37 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 37 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 36 |
| Windscreen washer not working | 34 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 31 |
| Central Prop shaft bearing excessively worn (6.1.7 (b) (i)) | 30 |
| Registration plate issues | 30 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 29 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 28 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 27 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 24 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 24 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 24 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 22 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 20 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 19 |
| Brakes imbalanced across an axle | 18 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 18 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 18 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 17 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 16 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 16 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 15 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 14 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 14 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 13 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 12 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 12 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 11 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 11 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 10 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 10 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 10 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 10 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 10 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 9 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 9 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 8 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Front brake disc in such a condition that it is seriously weakened | 7 |
| Central Prop shaft flexible coupling excessively deteriorated (6.1.7 (d) (i)) | 7 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 7 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Trailer electrical socket (13 pin) not operating the trailer lamps as intended (4.10 (c) (i)) | 7 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Offside Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 7 |
| Nearside Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 7 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 7 |
| Rear brake disc in such a condition that it is seriously weakened | 7 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 7 |
| Front Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 7 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 6 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 6 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 6 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Nearside Rear Seat belt buckle missing (7.1.2 (d)) | 6 |
| Offside Front Shock absorbers has a serious fluid leak | 6 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |