| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 19373 |
| Brake pipe excessively corroded | 14608 |
| Headlamp aim out of alignment | 13855 |
| Registration plate lamp issues | 5876 |
| Parking brake: efficiency below requirements |3.7.B.7| | 5818 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 5735 |
| Brakes imbalanced across an axle | 2695 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 2419 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 2372 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1854 |
| Rear parking brake recording little or no effort | 1757 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1498 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1416 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1393 |
| Rear brake disc in such a condition that it is seriously weakened | 1370 |
| Rear brake binding | 1236 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 1095 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 1075 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 1058 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1002 |
| Offside Stop lamp not working |1.2.1b| | 969 |
| Registration plate issues | 925 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 859 |
| Nearside Stop lamp not working |1.2.1b| | 819 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 795 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 792 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 703 |
| Offside Front Position lamp not working |4.2.1 |a|| | 682 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 663 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 657 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 657 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 654 |
| Brake hose excessively deteriorated | 646 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 623 |
| Windscreen washer not working | 608 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 605 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 597 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 589 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 568 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 556 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 548 |
| Emissions not tested (8.2.1.2 (d)) | 488 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 481 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 470 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 463 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 455 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 438 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 409 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 407 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 387 |
| Offside Rear Stop lamp not working |1.2.1b| | 385 |
| Nearside Rear Stop lamp not working |1.2.1b| | 369 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 364 |
| Centre Stop lamp not working |1.2.1b| | 359 |
| Windscreen wiper blade insecure | 345 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 339 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 331 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 331 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 318 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 309 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 307 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 306 |
| Front brake disc in such a condition that it is seriously weakened | 303 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 300 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 297 |
| Nearside front brake binding |3.7.B.1| | 287 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 281 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 276 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 276 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 270 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 264 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 263 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 263 |
| Rear Mechanical brake component has restricted free movement | 262 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 254 |
| Nearside Side repeater not working |1.4.A.2c| | 253 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 252 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 250 |