| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1027 |
| Brake pipe excessively corroded | 793 |
| Headlamp aim out of alignment | 565 |
| Offside Front coil spring broken |2.4.C.1a| | 536 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 465 |
| Nearside Front coil spring broken |2.4.C.1a| | 463 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 431 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 199 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 196 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 190 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 146 |
| Registration plate lamp issues | 139 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 136 |
| Offside Rear Shock absorbers has a serious fluid leak | 109 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 105 |
| Parking brake: efficiency below requirements |3.7.B.7| | 101 |
| Rear brake binding | 98 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 96 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 91 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 87 |
| Nearside Rear Shock absorbers has a serious fluid leak | 82 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 76 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 75 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 75 |
| Windscreen washer not working | 63 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 62 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 61 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 58 |
| Rear parking brake recording little or no effort | 58 |
| Brakes imbalanced across an axle | 50 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 46 |
| Brake hose excessively deteriorated | 44 |
| Front brake disc in such a condition that it is seriously weakened | 44 |
| Parking brake lever has no reserve travel |3.1.6b| | 43 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 43 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 42 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 42 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 42 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 41 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 41 |
| Registration plate issues | 40 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 35 |
| Offside Stop lamp not working |1.2.1b| | 34 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 33 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 33 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 32 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 32 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 26 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 26 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 24 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 24 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 23 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 23 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 22 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 22 |
| Offside Front Position lamp not working |4.2.1 |a|| | 21 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 21 |
| Rear Mechanical brake component has restricted free movement | 20 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 19 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 18 |
| Nearside Stop lamp not working |1.2.1b| | 18 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 17 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 17 |