| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 363 |
| Brakes imbalanced across an axle | 173 |
| Headlamp aim out of alignment | 143 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 132 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 130 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 128 |
| Brake pipe excessively corroded | 118 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 48 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 33 |
| Offside Front Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 31 |
| Registration plate lamp issues | 29 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 28 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 26 |
| Service brake: efficiency below requirements |3.7.B.7| | 20 |
| Nearside Front Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 20 |
| Registration plate issues | 19 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 16 |
| Windscreen washer not working | 16 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 14 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 13 |
| Front brake disc in such a condition that it is seriously weakened | 11 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 11 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 11 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 11 |
| Offside Front coil spring broken |2.4.C.1a| | 10 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 10 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Offside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 10 |
| Windscreen wiper blade insecure | 9 |
| Anti-lock braking system warning lamp indicates an ABS fault | 9 |
| Front brake application uneven | 9 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 9 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Offside Rear Shock absorbers has a serious fluid leak | 8 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 8 |
| Offside Front Axle king pin is loose in the axle beam (5.1.2 (d) (i)) | 8 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 8 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 8 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 7 |
| Nearside Front Axle swivel joint so worn or insecure in a stub axle that directional stability is impaired (5.1.2 (b) (ii)) | 7 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 7 |
| Offside Front Axle swivel pins and bushes swivel pin and/or bush excessively worn |5.1.2 |b| |i|| | 6 |
| Front brake excessively fluctuating | 6 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 6 |
| Offside Front Service brake lagging in operation (1.2.1 (d)) | 6 |
| Brake hose excessively deteriorated | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Front Axle swivel pins and bushes swivel pin and/or bush excessively worn |5.1.2 |b| |i|| | 5 |
| Nearside Rear Shock absorbers has a serious fluid leak | 5 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 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 |