| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1298 |
| Headlamp aim out of alignment | 415 |
| Brake pipe excessively corroded | 279 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 207 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 168 |
| Registration plate lamp issues | 128 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 124 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 115 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 108 |
| Parking brake lever has no reserve travel |3.1.6b| | 105 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 97 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 82 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 80 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 72 |
| Brakes imbalanced across an axle | 66 |
| Windscreen washer not working | 65 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 63 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 60 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 59 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 59 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 56 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 55 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 52 |
| Parking brake: efficiency below requirements |3.7.B.7| | 48 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 44 |
| Registration plate issues | 43 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 41 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 41 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 36 |
| Offside Rear Shock absorbers has a serious fluid leak | 34 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 33 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 28 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 28 |
| Front brake disc in such a condition that it is seriously weakened | 24 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 22 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 21 |
| Nearside Rear Shock absorbers has a serious fluid leak | 21 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 21 |
| Nearside Stop lamp not working |1.2.1b| | 20 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 20 |
| Rear parking brake recording little or no effort | 19 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 18 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 18 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 18 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 17 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 15 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 15 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 15 |
| Nearside Rear Stop lamp not working |1.2.1b| | 14 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 14 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 14 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 14 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 13 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 13 |
| Offside Front Position lamp not working |4.2.1 |a|| | 12 |