| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 7480 |
| Registration plate lamp issues | 7166 |
| Windscreen wiper does not clear the windscreen effectively | 6942 |
| Headlamp aim out of alignment | 6818 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3971 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 3824 |
| Brakes imbalanced across an axle | 3156 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 2199 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1907 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1579 |
| Rear brake binding | 1468 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1295 |
| Front brake disc in such a condition that it is seriously weakened | 1276 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 808 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 793 |
| Offside Stop lamp not working |1.2.1b| | 774 |
| Nearside Stop lamp not working |1.2.1b| | 750 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 701 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 604 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 591 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 581 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 563 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 536 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 533 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 530 |
| Windscreen washer not working | 526 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 517 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 488 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 441 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 435 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 432 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 430 |
| Registration plate issues | 428 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 410 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 355 |
| Horn not working (7.7 (a)) | 353 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 348 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 345 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 336 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 334 |
| Hazard warning switch faulty |1.4.B.1d| | 325 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 324 |
| Offside Rear Stop lamp not working |1.2.1b| | 322 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 319 |
| Nearside Rear Stop lamp not working |1.2.1b| | 316 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 306 |
| Parking brake: efficiency below requirements |3.7.B.7| | 301 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 300 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 296 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 281 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 279 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 269 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 266 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 265 |
| Offside Front Position lamp not working |4.2.1 |a|| | 252 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 252 |
| Anti-lock braking system warning lamp indicates an ABS fault | 250 |
| Emissions not tested (8.2.1.2 (d)) | 247 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 237 |
| All direction indicators not working (4.4.1 (a) (ii)) | 236 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 229 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 217 |
| Front brake excessively fluctuating | 215 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 207 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 204 |
| Rear parking brake recording little or no effort | 201 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 196 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 192 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 191 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 189 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 186 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 185 |
| Rear Mechanical brake component has restricted free movement | 183 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 180 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 180 |
| Brake hose excessively deteriorated | 180 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 178 |
| Rear Exhaust system not adequately supported |7.1.1| | 178 |
| Rear brake application uneven | 177 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 177 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 177 |
| Offside Front Macpherson strut corroded and seriously weakened (5.3.3 (b) (i)) | 176 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 174 |