| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 8952 |
| Headlamp aim out of alignment | 7579 |
| Windscreen wiper does not clear the windscreen effectively | 7246 |
| Brake pipe excessively corroded | 6333 |
| Brakes imbalanced across an axle | 2218 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 1888 |
| Offside Stop lamp not working |1.2.1b| | 1748 |
| Nearside Stop lamp not working |1.2.1b| | 1680 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1645 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1534 |
| Front brake disc in such a condition that it is seriously weakened | 1443 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1383 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1274 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1153 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 920 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 861 |
| Rear brake binding | 814 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 779 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 778 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 720 |
| Offside Rear Stop lamp not working |1.2.1b| | 718 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 714 |
| Nearside Rear Stop lamp not working |1.2.1b| | 617 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 614 |
| Registration plate issues | 591 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 578 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 574 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 570 |
| Horn not working |1.6.2a| | 518 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 495 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 492 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 450 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 440 |
| Emissions not tested (8.2.1.2 (d)) | 435 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 433 |
| Parking brake: efficiency below requirements |3.7.B.7| | 429 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 422 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 416 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 395 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 395 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 385 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 383 |
| Offside Front Position lamp not working |4.2.1 |a|| | 378 |
| Horn not working (7.7 (a) (ii)) | 372 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 366 |
| Windscreen washer not working | 366 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 360 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 355 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 345 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 330 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 325 |
| Horn not working (7.7 (a)) | 324 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 323 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 313 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 304 |
| Rear parking brake recording little or no effort | 295 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 285 |
| Front brake excessively fluctuating | 274 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 268 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 256 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 247 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 246 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 245 |
| Rear Exhaust system not adequately supported |7.1.1| | 242 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 239 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 232 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 227 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 223 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 223 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 217 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 216 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 212 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 210 |
| Anti-lock braking system warning lamp indicates an ABS fault | 210 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 209 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 208 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 202 |
| Front brake application uneven | 194 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 194 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 188 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 186 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 182 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 178 |
| Parking brake lever has no reserve travel |3.1.6b| | 177 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 176 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 175 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 175 |