| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3176 |
| Windscreen wiper does not clear the windscreen effectively | 3022 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 868 |
| Front brake disc in such a condition that it is seriously weakened | 663 |
| Registration plate lamp issues | 568 |
| Brake pipe excessively corroded | 390 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 361 |
| Brakes imbalanced across an axle | 358 |
| Hazard warning switch faulty |1.4.B.1d| | 293 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 271 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 261 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 232 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 225 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 217 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 209 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 206 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 202 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 195 |
| Registration plate issues | 193 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 191 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 189 |
| All direction indicators not working (4.4.1 (a) (ii)) | 180 |
| Windscreen washer not working | 177 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 167 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 161 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 160 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 159 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 158 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 151 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 144 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 144 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 130 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 129 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 124 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 121 |
| Hazard warning lamps inoperative |1.4.B.1b| | 117 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 113 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 111 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 108 |
| Front brake excessively fluctuating | 103 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 100 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 97 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 97 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 97 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 95 |
| Rear Exhaust system insecure (6.1.2 (a)) | 94 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 89 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 88 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 87 |
| Emissions not tested (8.2.1.2 (d)) | 85 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 79 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 77 |
| Offside Rear Shock absorbers has a serious fluid leak | 77 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 73 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 70 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 65 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 64 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 63 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 62 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 60 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 60 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 56 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 56 |