| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 398 |
| Headlamp aim out of alignment | 328 |
| Windscreen wiper does not clear the windscreen effectively | 245 |
| Parking brake: efficiency below requirements |3.7.B.7| | 125 |
| Brake pipe excessively corroded | 117 |
| Rear parking brake recording little or no effort | 108 |
| Rear fog lamp not working |1.3.2b| | 105 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 101 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 97 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 95 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 95 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 94 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 92 |
| Rear brake binding | 91 |
| Registration plate issues | 83 |
| Nearside Stop lamp not working |1.2.1b| | 81 |
| Rear fog lamp tell tale not working |1.3.1b| | 79 |
| Offside Stop lamp not working |1.2.1b| | 72 |
| Offside Rear fog lamp not working |1.3.2b| | 61 |
| Parking brake lever has no reserve travel |3.1.6b| | 60 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 56 |
| Centre Stop lamp not working |1.2.1b| | 49 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 49 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 44 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 39 |
| Offside Rear Stop lamp not working |1.2.1b| | 37 |
| Nearside Rear Stop lamp not working |1.2.1b| | 32 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 32 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 32 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 31 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 29 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 27 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 25 |
| Brakes imbalanced across an axle | 25 |
| Nearside Front coil spring broken |2.4.C.1a| | 24 |
| Rear fog lamp switch faulty |1.3.1a| | 24 |
| Offside Front coil spring broken |2.4.C.1a| | 24 |
| Front brake disc in such a condition that it is seriously weakened | 22 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 21 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 20 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 19 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 19 |
| Centre Rear Stop lamp not working |1.2.1b| | 17 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 16 |
| Stop lamp not working |1.2.1b| | 16 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Anti-lock braking system warning lamp indicates an ABS fault | 15 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 15 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 14 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 13 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 13 |
| Offside Rear coil spring broken |2.4.C.1a| | 13 |
| Windscreen has damage | 12 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Rear Mechanical brake component has restricted free movement | 11 |
| Offside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 11 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 11 |
| Emissions not tested |7.0| | 10 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Rear Exhaust system not adequately supported |7.1.1| | 10 |
| Rear Rear fog lamp not working |1.3.2b| | 10 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 10 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 10 |
| Rear brake disc in such a condition that it is seriously weakened | 10 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Horn not working |1.6.2a| | 9 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 9 |
| Offside front brake binding |3.7.B.1| | 9 |
| Offside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 9 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 9 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 8 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Rear fog lamp switch inoperative |4.5.3 |a| |ii|| | 8 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 8 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 8 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 8 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 8 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 8 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 8 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 7 |
| Exhaust system not adequately supported |7.1.1| | 7 |
| Front brake application uneven | 7 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 7 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Centre Upper Stop lamp not working |1.2.1b| | 7 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 7 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 7 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 7 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 7 |
| Nearside Rear coil spring broken |2.4.C.1a| | 7 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Nearside Headlamp not working on main beam |1.7.5a| | 6 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 6 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 6 |
| Offside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 6 |
| Nearside Front Shock absorbers has a serious fluid leak | 6 |
| Offside Front Position lamp not working |4.2.1 |a|| | 5 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 5 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 5 |
| Nearside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 5 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 5 |
| Service brake: efficiency below requirements |3.7.C.1a| | 5 |
| Rear brake application uneven | 5 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 5 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 5 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 5 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 5 |
| Battery insecure |1.9.1| | 5 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Offside Front Suspension arm corroded and seriously weakened |2.4.G.1| | 5 |
| Offside Rear reflector missing |1.5.1a| | 5 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 5 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 5 |