| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 17867 |
| Windscreen wiper does not clear the windscreen effectively | 15551 |
| Registration plate lamp issues | 12760 |
| Parking brake: efficiency below requirements |3.7.B.7| | 4381 |
| Brake pipe excessively corroded | 3461 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 3358 |
| Brakes imbalanced across an axle | 3133 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2915 |
| Rear parking brake recording little or no effort | 2699 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2512 |
| Offside Stop lamp not working |1.2.1b| | 2462 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 2016 |
| Nearside Stop lamp not working |1.2.1b| | 1646 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1609 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1595 |
| Registration plate issues | 1549 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1452 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 1418 |
| Parking brake lever has no reserve travel |3.1.6b| | 1394 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1339 |
| Front brake disc in such a condition that it is seriously weakened | 1269 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1232 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1077 |
| Offside Rear Stop lamp not working |1.2.1b| | 1075 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1072 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1061 |
| Rear brake binding | 1047 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1029 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 996 |
| Rear brake disc in such a condition that it is seriously weakened | 967 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 944 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 927 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 904 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 899 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 881 |
| Offside front brake binding |3.7.B.1| | 842 |
| Offside Front coil spring broken |2.4.C.1a| | 787 |
| Nearside Rear Stop lamp not working |1.2.1b| | 777 |
| Battery insecure |1.9.1| | 753 |
| Nearside Headlamp insecure |1.7.3| | 752 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 748 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 735 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 724 |
| Front brake application uneven | 720 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 703 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 685 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 671 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 670 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 656 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 635 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 624 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 614 |
| Offside Headlamp insecure |1.7.3| | 590 |
| Nearside front brake binding |3.7.B.1| | 579 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 550 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 533 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 525 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 504 |
| Nearside Front coil spring broken |2.4.C.1a| | 496 |
| Offside Front front brake binding |3.7.B.1| | 494 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 492 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 470 |
| Front brake excessively fluctuating | 470 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 465 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 461 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 449 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 447 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 439 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 420 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 408 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 408 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 406 |
| Windscreen washer not working | 400 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 398 |
| Windscreen wiper blade insecure | 396 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 393 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 387 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 383 |
| Nearside Headlamp light intensity severely reduced (4.1.4 (a)) | 377 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 365 |
| Centre Stop lamp not working |1.2.1b| | 361 |
| Brake hose excessively deteriorated | 357 |
| Mechanical brake component has restricted free movement | 357 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 355 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 351 |
| Anti-lock braking system warning lamp indicates an ABS fault | 349 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 338 |
| Nearside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 334 |
| Nearside Front Headlamp insecure |1.7.3| | 329 |
| Offside Front coil spring fractured |2.4.C.1a| | 319 |
| Windscreen has damage | 316 |
| Nearside Front front brake binding |3.7.B.1| | 313 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 308 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 306 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 305 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 304 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 298 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 293 |
| Rear brake application uneven | 289 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 285 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 282 |
| Emissions not tested (8.2.1.2 (d)) | 271 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 265 |
| Front Exhaust system not adequately supported |7.1.1| | 263 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 262 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 260 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 260 |
| Exhaust system not adequately supported |7.1.1| | 259 |