| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 4953 |
| Headlamp aim out of alignment | 4146 |
| Brake pipe excessively corroded | 3512 |
| Registration plate lamp issues | 1669 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1240 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1074 |
| Front brake disc in such a condition that it is seriously weakened | 993 |
| Brakes imbalanced across an axle | 671 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 564 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 508 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 384 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 371 |
| Registration plate issues | 321 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 315 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 303 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 302 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 265 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 264 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 250 |
| Windscreen washer not working | 245 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 238 |
| Offside Front Position lamp not working |4.2.1 |a|| | 238 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 237 |
| Hazard warning switch faulty |1.4.B.1d| | 228 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 228 |
| Front brake excessively fluctuating | 215 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 198 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 192 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 191 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 184 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 181 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 180 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 180 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 175 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 175 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 160 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 159 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 159 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 149 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 147 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 146 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 144 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 142 |
| Emissions not tested (8.2.1.2 (d)) | 142 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 141 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 139 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 139 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 130 |
| Offside Front Macpherson strut corroded and seriously weakened (5.3.3 (b) (i)) | 128 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 127 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 124 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 123 |
| Rear Exhaust system insecure (6.1.2 (a)) | 122 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 120 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 119 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 118 |
| Rear brake binding | 103 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 102 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 101 |
| All direction indicators not working (4.4.1 (a) (ii)) | 100 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 99 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 97 |
| Rear fog lamp not working |1.3.2b| | 96 |
| Parking brake: efficiency below requirements |3.7.B.7| | 96 |
| Anti-lock braking system warning lamp indicates an ABS fault | 94 |