| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 3612 |
| Headlamp aim out of alignment | 2123 |
| Front brake disc in such a condition that it is seriously weakened | 569 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 507 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 374 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 350 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 335 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 335 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 314 |
| Brakes imbalanced across an axle | 313 |
| Windscreen washer not working | 294 |
| Registration plate lamp issues | 239 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 231 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 228 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 203 |
| Registration plate issues | 183 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 161 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 158 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 155 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 144 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 137 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 134 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 134 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 132 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 130 |
| Brake pipe excessively corroded | 120 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 113 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 109 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 109 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 102 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 102 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 100 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 89 |
| Offside Rear Shock absorbers has a serious fluid leak | 86 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 77 |
| Nearside Front Road wheel badly distorted (5.2.2 (c) (i)) | 75 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 71 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 70 |
| Nearside Rear Shock absorbers has a serious fluid leak | 69 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 67 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 67 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 66 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 65 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 62 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 61 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 55 |
| Anti-lock braking system warning lamp indicates an ABS fault | 52 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 49 |
| Offside Front Inner Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 48 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 48 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 48 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 47 |