| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 434 |
| Registration plate lamp issues | 371 |
| Headlamp aim out of alignment | 336 |
| Brake pipe excessively corroded | 211 |
| Offside Stop lamp not working |1.2.1b| | 145 |
| Nearside Stop lamp not working |1.2.1b| | 124 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 121 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 117 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 81 |
| Parking brake lever has no reserve travel |3.1.6b| | 75 |
| Anti-lock braking system warning lamp indicates an ABS fault | 71 |
| Parking brake: efficiency below requirements |3.7.B.7| | 70 |
| Registration plate issues | 65 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 58 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 55 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 45 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 44 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 44 |
| Nearside Rear Stop lamp not working |1.2.1b| | 43 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 42 |
| Offside Rear Stop lamp not working |1.2.1b| | 42 |
| Brakes imbalanced across an axle | 40 |
| Rear brake binding | 38 |
| Offside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 35 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 35 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 35 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 31 |
| Rear parking brake recording little or no effort | 30 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 29 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 28 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 28 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 26 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 26 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 25 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 24 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 23 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 23 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 23 |
| Windscreen washer not working | 23 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 22 |
| Rear brake disc in such a condition that it is seriously weakened | 21 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 21 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 21 |
| Front brake disc in such a condition that it is seriously weakened | 20 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 19 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 19 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 17 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 17 |
| Service brake: efficiency below requirements |3.7.B.7| | 16 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Offside Rear Suspension arm corroded and seriously weakened |2.4.G.1| | 16 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 16 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 16 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Nearside Rear Suspension arm corroded and seriously weakened |2.4.G.1| | 15 |
| Windscreen wiper blade insecure | 15 |
| Battery insecure |1.9.1| | 15 |
| Rear Exhaust system not adequately supported |7.1.1| | 15 |
| Offside Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 15 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 14 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 13 |
| Offside Front Position lamp not working |4.2.1 |a|| | 13 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 13 |
| Nearside Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 13 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 13 |
| Nearside Front Shock absorbers has a serious fluid leak | 13 |
| Offside Headlamp not working on main beam |1.7.5a| | 13 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Nearside Headlamp not working on main beam |1.7.5a| | 12 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 12 |
| Offside front brake binding |3.7.B.1| | 12 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 12 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 12 |
| Rear brake application uneven | 12 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 11 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 11 |
| Rear fog lamp not working |1.3.2b| | 11 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Front brake application uneven | 10 |
| Offside Front Shock absorbers has a serious fluid leak | 10 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 10 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Offside Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 10 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 10 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 10 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 9 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 9 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 9 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 9 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 9 |
| Windscreen has damage | 9 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 9 |
| Offside Front Anti-lock braking system component excessively damaged |3.4.2| | 8 |
| Offside Rear fog lamp not working |1.3.2b| | 8 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 8 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 8 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 8 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 8 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 8 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Offside Front front brake binding |3.7.B.1| | 8 |
| Nearside Front front brake binding |3.7.B.1| | 8 |