| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 10636 |
| Headlamp aim out of alignment | 8092 |
| Registration plate lamp issues | 3850 |
| Brake pipe excessively corroded | 3186 |
| Brakes imbalanced across an axle | 2292 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2201 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1468 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1258 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1255 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1078 |
| Rear parking brake recording little or no effort | 926 |
| Rear brake binding | 862 |
| Offside Stop lamp not working |1.2.1b| | 818 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 790 |
| Windscreen washer not working | 780 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 724 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 699 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 594 |
| Registration plate issues | 566 |
| Horn not working |1.6.2a| | 541 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 538 |
| Nearside Stop lamp not working |1.2.1b| | 506 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 482 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 466 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 455 |
| Front brake disc in such a condition that it is seriously weakened | 442 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 375 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 350 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 322 |
| Offside Front Position lamp not working |4.2.1 |a|| | 320 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 310 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 308 |
| Offside Rear Stop lamp not working |1.2.1b| | 303 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 293 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 288 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 267 |
| Rear brake disc in such a condition that it is seriously weakened | 260 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 260 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 258 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 245 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 242 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 238 |
| Battery insecure |1.9.1| | 233 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 225 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 224 |
| Nearside Rear Stop lamp not working |1.2.1b| | 216 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 215 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 206 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 197 |
| Central Rear Seat belt not functioning as intended (7.1.2 (c)) | 196 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 187 |
| Centre Stop lamp not working |1.2.1b| | 185 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 182 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 179 |
| Horn not working (7.7 (a) (ii)) | 175 |
| Front brake application uneven | 168 |
| Stop lamp|s| all not working |4.3.1 |a| |iii|| | 166 |
| Horn not working (7.7 (a)) | 163 |
| Parking brake lever has no reserve travel |3.1.6b| | 162 |
| Rear brake application uneven | 160 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 153 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 152 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 152 |
| Rear Mechanical brake component has restricted free movement | 150 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 149 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 147 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 146 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 146 |