| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 3177 |
| Headlamp aim out of alignment | 836 |
| Brake pipe excessively corroded | 695 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 292 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 248 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 224 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 190 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 189 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 184 |
| Windscreen washer not working | 151 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 127 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 98 |
| Nearside Rear Valve stem seriously damaged (5.2.3 (j)) | 87 |
| Brakes imbalanced across an axle | 84 |
| Offside Rear Valve stem seriously damaged (5.2.3 (j)) | 83 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 83 |
| Registration plate lamp issues | 67 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 61 |
| Offside Rear Seat belt buckle not functioning as intended (7.1.2 (d)) | 54 |
| Nearside Rear Seat belt buckle not functioning as intended (7.1.2 (d)) | 53 |
| Horn not working (7.7 (a)) | 49 |
| Offside Front Valve stem seriously damaged (5.2.3 (j)) | 46 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 45 |
| Nearside Front Valve stem seriously damaged (5.2.3 (j)) | 41 |
| Registration plate issues | 39 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 34 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 33 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 31 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 30 |
| Front brake disc in such a condition that it is seriously weakened | 30 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 30 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 29 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 29 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 27 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 27 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 27 |
| Offside Rear Valve stem seriously damaged |4.1.D.1e| | 27 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 27 |
| Nearside Rear Valve stem seriously damaged |4.1.D.1e| | 26 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 26 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 26 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 23 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 23 |
| Horn not working (7.7 (a) (ii)) | 22 |
| Offside Rear Valve stem seriously damaged |5.2.3 |j|| | 22 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 22 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 22 |