| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 410 |
| Brakes imbalanced across an axle | 143 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 137 |
| Headlamp aim out of alignment | 133 |
| Brake pipe excessively corroded | 114 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 104 |
| Service brake: efficiency below requirements |3.7.B.7| | 66 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 64 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 50 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 41 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 36 |
| Registration plate lamp issues | 26 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 21 |
| Registration plate issues | 20 |
| Front brake disc in such a condition that it is seriously weakened | 18 |
| Offside Front Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 18 |
| Windscreen washer not working | 17 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 16 |
| Nearside Front Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 15 |
| Offside Rear Shock absorbers has a serious fluid leak | 13 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 13 |
| Offside Front coil spring broken |2.4.C.1a| | 11 |
| Front brake excessively fluctuating | 11 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 11 |
| Offside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 11 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 10 |
| Offside front brake binding |3.7.B.1| | 10 |
| Offside Front Axle swivel joint has excessive play |2.5.A.3b| | 10 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 9 |
| Offside Front Service brake lagging in operation (1.2.1 (d)) | 9 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 8 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 8 |
| Offside Front Axle swivel pins and bushes swivel pin and/or bush excessively worn |5.1.2 |b| |i|| | 8 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Nearside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 8 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 8 |
| Offside Front Position lamp not working |4.2.1 |a|| | 7 |
| Anti-lock braking system warning lamp indicates an ABS fault | 7 |
| Nearside Rear Shock absorbers has a serious fluid leak | 7 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 7 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Nearside Front Axle swivel pins and bushes swivel pin and/or bush excessively worn |5.1.2 |b| |i|| | 6 |
| Front brake application uneven | 6 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 6 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 6 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 6 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 6 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 5 |
| Parking brake: efficiency below requirements |3.7.B.7| | 5 |
| Brake hose excessively deteriorated | 5 |
| Offside Front Axle swivel joint so worn or insecure in a stub axle that directional stability is impaired |5.1.2 |b| |ii|| | 5 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Offside Front Lower Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 5 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 5 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |