| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 464 |
| Headlamp aim out of alignment | 441 |
| Windscreen wiper does not clear the windscreen effectively | 372 |
| Offside Stop lamp not working |1.2.1b| | 123 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 110 |
| Nearside Stop lamp not working |1.2.1b| | 108 |
| Brake pipe excessively corroded | 104 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 84 |
| Registration plate issues | 83 |
| Centre Stop lamp not working |1.2.1b| | 51 |
| Anti-lock braking system warning lamp indicates an ABS fault | 49 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 42 |
| Nearside Rear Stop lamp not working |1.2.1b| | 37 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 32 |
| Offside Rear Stop lamp not working |1.2.1b| | 31 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 26 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 25 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 22 |
| Offside Front Position lamp not working |4.2.1 |a|| | 21 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 20 |
| Stop lamp not working |1.2.1b| | 20 |
| Windscreen washer not working | 19 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 18 |
| Brake hose excessively deteriorated | 18 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 17 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 17 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 17 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 17 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 17 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 16 |
| Brakes imbalanced across an axle | 16 |
| Rear parking brake recording little or no effort | 16 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 15 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 15 |
| Power steering fluid level below minimum |2.3.1| | 15 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 14 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 14 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 14 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Nearside Front Anti-lock braking system component excessively damaged |3.4.2| | 13 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 12 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Offside Front Anti-lock braking system component excessively damaged |3.4.2| | 12 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 11 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 11 |
| Windscreen has damage | 11 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 11 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 11 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 11 |
| Rear brake binding | 11 |
| 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| | 11 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 11 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 11 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Upper Stop lamp not working |1.2.1b| | 10 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 10 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 10 |
| Offside Rear fog lamp not working |1.3.2b| | 10 |
| Central Stop lamp not working |1.2.1b| | 10 |
| Parking brake: efficiency below requirements |3.7.B.7| | 10 |
| Rear brake disc in such a condition that it is seriously weakened | 10 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 9 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Rear fog lamp not working |1.3.2b| | 9 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Horn not working |1.6.2a| | 9 |
| Battery insecure |1.9.1| | 9 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 9 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 9 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 8 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 8 |
| Front position lamp|s| not working |1.1.A.3b| | 8 |
| Rear Stop lamp not working |1.2.1b| | 8 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 8 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 8 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 8 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 8 |
| Centre Rear Stop lamp not working |1.2.1b| | 8 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 8 |
| Service brake: efficiency below requirements |3.7.C.1a| | 8 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 8 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Windscreen wiper blade insecure | 7 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 7 |
| 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| | 7 |
| Nearside Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 7 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 7 |