| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 110 |
| Registration plate lamp issues | 77 |
| Registration plate issues | 60 |
| Brake pipe excessively corroded | 49 |
| Windscreen wiper does not clear the windscreen effectively | 35 |
| Parking brake: efficiency below requirements |3.7.B.7| | 34 |
| Offside Front coil spring fractured |2.4.C.1a| | 23 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 23 |
| Rear parking brake recording little or no effort | 22 |
| Nearside Front coil spring fractured |2.4.C.1a| | 21 |
| Offside Front coil spring broken |2.4.C.1a| | 18 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 17 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 16 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 16 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 15 |
| Indicator switch faulty |1.4.A.1| | 14 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 14 |
| Nearside Stop lamp not working |1.2.1b| | 14 |
| Front brake disc in such a condition that it is seriously weakened | 14 |
| Offside Stop lamp not working |1.2.1b| | 13 |
| Rear brake binding | 13 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 12 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 11 |
| Parking brake lever has no reserve travel |3.1.6b| | 11 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| Offside Front coil spring incomplete |2.4.C.1a| | 11 |
| Windscreen has damage | 11 |
| Nearside Front coil spring broken |2.4.C.1a| | 11 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 10 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 10 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 9 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 8 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 8 |
| Fuel system component leaking |7.2.3| | 8 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 8 |
| Nearside Rear Stop lamp not working |1.2.1b| | 7 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Brakes imbalanced across an axle | 7 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 7 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 7 |
| Offside Side repeater not working |1.4.A.2c| | 6 |
| Centre Stop lamp not working |1.2.1b| | 6 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| 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| | 6 |
| Front brake application uneven | 6 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 6 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 6 |
| Offside Rear Stop lamp not working |1.2.1b| | 5 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 5 |
| 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| | 5 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Offside Front coil spring cracked |2.4.C.1a| | 5 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 5 |
| Centre Exhaust system not adequately supported |7.1.1| | 5 |
| Offside Rear fog lamp not working |1.3.2b| | 5 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 5 |
| Brake hose excessively deteriorated | 5 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |
| Offside Front Wheel bolt|s| missing |4.2.A.1e| | 4 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 4 |
| Offside Rear coil spring broken |2.4.C.1a| | 4 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 4 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 3 |
| 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| | 3 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 3 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 3 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 3 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Front Steering damper leaking oil |2.2.C.1f| | 3 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Battery insecure |1.9.1| | 3 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 3 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Rear fog lamp tell tale not working |1.3.1b| | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Nearside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 3 |