| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5290 |
| Windscreen wiper does not clear the windscreen effectively | 4864 |
| Brake pipe excessively corroded | 3878 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1772 |
| Registration plate lamp issues | 1649 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1604 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 1494 |
| Front brake disc in such a condition that it is seriously weakened | 1058 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 998 |
| Brakes imbalanced across an axle | 795 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 642 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 616 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 566 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 552 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 537 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 474 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 442 |
| Windscreen washer not working | 437 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 428 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 385 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 382 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 372 |
| Hazard warning switch faulty |1.4.B.1d| | 350 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 350 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 349 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 342 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 336 |
| Registration plate issues | 331 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 322 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 319 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 312 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 288 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 285 |
| All direction indicators not working (4.4.1 (a) (ii)) | 261 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 260 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 260 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 256 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 255 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 255 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 233 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 225 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 221 |
| Rear Exhaust system insecure (6.1.2 (a)) | 188 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 184 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 181 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 181 |
| Horn not working (7.7 (a)) | 177 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 174 |
| Offside Front Position lamp not working |4.2.1 |a|| | 173 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 171 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 171 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 166 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 162 |
| Front brake excessively fluctuating | 156 |
| Hazard warning lamps inoperative |1.4.B.1b| | 145 |
| Offside Front Macpherson strut corroded and seriously weakened (5.3.3 (b) (i)) | 144 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 142 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 139 |
| Emissions unable to be completed (8.2.1.2 (d)) | 137 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 136 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 134 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 134 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 134 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 132 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 131 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 118 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 116 |
| Emissions not tested (8.2.1.2 (d)) | 116 |
| Offside Rear Shock absorbers has a serious fluid leak | 116 |