| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 3163 |
| Headlamp aim out of alignment | 3057 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 907 |
| Front brake disc in such a condition that it is seriously weakened | 637 |
| Registration plate lamp issues | 434 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 339 |
| Brakes imbalanced across an axle | 330 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 292 |
| Registration plate issues | 276 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 275 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 272 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 264 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 252 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 238 |
| Hazard warning switch faulty |1.4.B.1d| | 237 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 236 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 230 |
| Brake pipe excessively corroded | 207 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 205 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 200 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 198 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 194 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 192 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 186 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 178 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 170 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 169 |
| Windscreen washer not working | 168 |
| All direction indicators not working (4.4.1 (a) (ii)) | 159 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 159 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 151 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 135 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 130 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 124 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 119 |
| Front brake excessively fluctuating | 119 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 118 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 114 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 100 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 94 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 92 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 90 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 90 |
| Hazard warning lamps inoperative |1.4.B.1b| | 89 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 88 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 86 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 85 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 81 |
| Emissions not tested (8.2.1.2 (d)) | 78 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 77 |
| Rear Exhaust system insecure (6.1.2 (a)) | 77 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 74 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 73 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 73 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 69 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 68 |
| Indicator switch faulty |1.4.A.1| | 63 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 61 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 60 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 60 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 59 |
| Exhaust system insecure (6.1.2 (a)) | 58 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 58 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 58 |