| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 19170 |
| Headlamp aim out of alignment | 11888 |
| Registration plate lamp issues | 7853 |
| Brakes imbalanced across an axle | 4454 |
| Brake pipe excessively corroded | 4394 |
| Registration plate issues | 3055 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2377 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2355 |
| Parking brake lever has no reserve travel |3.1.6b| | 2337 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2243 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2224 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1845 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1652 |
| Nearside Stop lamp not working |1.2.1b| | 1614 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1547 |
| Rear parking brake recording little or no effort | 1527 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1510 |
| Brake hose excessively deteriorated | 1464 |
| Rear brake binding | 1285 |
| Front brake application uneven | 1246 |
| Front brake disc in such a condition that it is seriously weakened | 1197 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1066 |
| Offside front brake binding |3.7.B.1| | 1046 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1001 |
| Offside Stop lamp not working |1.2.1b| | 973 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 965 |
| Nearside front brake binding |3.7.B.1| | 944 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 900 |
| Battery insecure |1.9.1| | 878 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 841 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 819 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 808 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 802 |
| Centre Stop lamp not working |1.2.1b| | 789 |
| Nearside Rear Stop lamp not working |1.2.1b| | 736 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 719 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 651 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 638 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 633 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 621 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 619 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 607 |
| Offside Front front brake binding |3.7.B.1| | 607 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 600 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 588 |
| Mechanical brake component has restricted free movement | 562 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 552 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 551 |
| Nearside Front front brake binding |3.7.B.1| | 550 |
| Windscreen wiper blade insecure | 546 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 540 |
| Windscreen washer not working | 523 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 505 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 499 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 485 |
| Rear brake disc in such a condition that it is seriously weakened | 463 |
| Offside Rear Stop lamp not working |1.2.1b| | 461 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 421 |
| Anti-lock braking system warning lamp indicates an ABS fault | 419 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 402 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 349 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 346 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 333 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 328 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 327 |
| Windscreen has damage | 327 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 321 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 317 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 315 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 310 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 296 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 295 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 287 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 285 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 279 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 275 |
| Offside Front Position lamp not working |4.2.1 |a|| | 271 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 271 |
| Front brake excessively fluctuating | 269 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 269 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 269 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 267 |
| Rear brake application uneven | 257 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 252 |
| Nearside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 250 |
| Offside Headlamp insecure |1.7.3| | 237 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 234 |