| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 5864 |
| Headlamp aim out of alignment | 5784 |
| Brake pipe excessively corroded | 4818 |
| Registration plate lamp issues | 2495 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1912 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1804 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 1195 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1097 |
| Brakes imbalanced across an axle | 1033 |
| Front brake disc in such a condition that it is seriously weakened | 978 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 847 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 844 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 822 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 677 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 634 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 563 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 550 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 509 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 503 |
| Windscreen washer not working | 428 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 415 |
| Registration plate issues | 412 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 393 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 375 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 374 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 354 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 340 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 324 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 316 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 316 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 307 |
| Hazard warning switch faulty |1.4.B.1d| | 301 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 297 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 290 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 288 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 285 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 279 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 279 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 279 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 275 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 269 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 263 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 260 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 256 |
| Offside Front Position lamp not working |4.2.1 |a|| | 245 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 238 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 237 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 232 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 225 |
| Offside Front Macpherson strut corroded and seriously weakened (5.3.3 (b) (i)) | 225 |
| Front brake excessively fluctuating | 219 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 217 |
| Horn not working (7.7 (a)) | 212 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 210 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 204 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 192 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 191 |
| All direction indicators not working (4.4.1 (a) (ii)) | 185 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 182 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 181 |
| Rear Exhaust system insecure (6.1.2 (a)) | 173 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 169 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 163 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 163 |
| Emissions not tested (8.2.1.2 (d)) | 162 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 158 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 158 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 157 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 152 |
| Emissions unable to be completed (8.2.1.2 (d)) | 148 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 145 |
| Anti-lock braking system warning lamp indicates an ABS fault | 142 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 134 |
| Hazard warning lamps inoperative |1.4.B.1b| | 125 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 125 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 124 |
| Rear brake binding | 123 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 123 |