| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 424 |
| Brake pipe excessively corroded | 383 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 280 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 260 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 188 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 184 |
| Brakes imbalanced across an axle | 179 |
| Registration plate lamp issues | 163 |
| Headlamp aim out of alignment | 107 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 57 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 52 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 40 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 39 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 31 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 26 |
| Rear Service brake excessively binding (1.2.1 (f)) | 25 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 24 |
| Windscreen washer not working | 23 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 22 |
| Offside Front Position lamp not working |4.2.1 |a|| | 22 |
| Offside Rear Shock absorbers has a serious fluid leak | 20 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 20 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 19 |
| Registration plate issues | 18 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 17 |
| Nearside Rear Shock absorbers has a serious fluid leak | 17 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 17 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 15 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 14 |
| Rear Service brake excessively binding both (1.2.1 (f)) | 14 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 14 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Offside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 12 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 12 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 12 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 12 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 11 |
| Front brake disc in such a condition that it is seriously weakened | 11 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 11 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 10 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 10 |
| Offside Rear Service brake lagging in operation (1.2.1 (d)) | 10 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 10 |
| Nearside Front Service brake lagging in operation (1.2.1 (d)) | 10 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 10 |
| Nearside Front Upper Macpherson strut pin or bush excessively worn (5.3.4 (a) (i)) | 9 |
| Offside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 9 |
| Front Exhaust system insecure (6.1.2 (a)) | 9 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Central Rear Seat belt buckle not functioning as intended (7.1.2 (d)) | 9 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 8 |
| Rear Exhaust system insecure (6.1.2 (a)) | 7 |
| Nearside Front Macpherson strut pin or bush excessively worn (5.3.4 (a) (i)) | 7 |
| Nearside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 7 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 7 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 7 |
| Front Position lamp not working both (4.2.1 (a) (ii)) | 6 |
| Offside Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 6 |
| Rear brake binding | 6 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 6 |
| Offside Front Upper Macpherson strut pin or bush excessively worn (5.3.4 (a) (i)) | 6 |