| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 215 |
| Brake pipe excessively corroded | 126 |
| Headlamp aim out of alignment | 118 |
| Parking brake: efficiency below requirements |3.7.B.7| | 79 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 62 |
| Parking brake lever has no reserve travel |3.1.6b| | 59 |
| Windscreen wiper does not clear the windscreen effectively | 56 |
| Rear parking brake recording little or no effort | 40 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 25 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 24 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 20 |
| Brakes imbalanced across an axle | 19 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 19 |
| Offside Rear coil spring broken |2.4.C.1a| | 18 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Rear brake disc in such a condition that it is seriously weakened | 16 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 16 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Registration plate issues | 14 |
| Offside Stop lamp not working |1.2.1b| | 13 |
| Nearside Rear coil spring broken |2.4.C.1a| | 13 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Anti-lock braking system warning lamp indicates an ABS fault | 13 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 12 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 12 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 12 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 12 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 11 |
| Windscreen washer not working | 11 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 11 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 11 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 9 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 9 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 9 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Nearside Rear Shock absorbers has a serious fluid leak | 8 |
| Nearside Stop lamp not working |1.2.1b| | 8 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Offside Rear Stop lamp not working |1.2.1b| | 7 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 7 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 7 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 7 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 7 |
| 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| | 7 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 7 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 6 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| 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| | 6 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 6 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 6 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Offside Front Shock absorbers has a serious fluid leak | 6 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 5 |
| Nearside Front Shock absorbers has a serious fluid leak | 5 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |
| Offside Rear Shock absorbers has a serious fluid leak | 5 |
| Front brake application uneven | 5 |
| Fuel system component leaking |7.2.3| | 5 |
| Bonnet cannot be secured in the closed position |8.4.1| | 5 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Rear Exhaust system not adequately supported |7.1.1| | 4 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 4 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Rear brake binding | 4 |
| Offside Front Direction indicator not working |1.4.A.2c| | 4 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 4 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 4 |
| Nearside Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 4 |
| Offside Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 4 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 4 |
| Centre Stop lamp not working |1.2.1b| | 4 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| 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| | 4 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 4 |
| Steering column will not lock in a fixed position |adjustable type| |2.1.2a| | 4 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 4 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 4 |
| Front brake excessively fluctuating | 4 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Offside Rear fog lamp not working |1.3.2b| | 3 |
| Headlamp cleaning device inoperative |1.7.2| | 3 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 3 |
| Offside Front Wheel bolt|s| missing |4.2.A.1e| | 3 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 3 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Driver`s airbag obviously defective |5.4.1| | 3 |
| Fuel cap/sealing device missing |7.2.4a| | 3 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 3 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Offside Front Track rod end ball joint worn to the extent there is a serious risk of detachment (2.1.3 (b) (ii)) | 3 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 3 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 3 |
| Windscreen has damage | 3 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 3 |
| 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| | 3 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 3 |
| Battery insecure |1.9.1| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 3 |
| Offside Front coil spring broken |2.4.C.1a| | 3 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 3 |
| Offside Rear Upper Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 3 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 3 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 3 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |