| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 652 |
| Headlamp aim out of alignment | 327 |
| Brake pipe excessively corroded | 306 |
| Windscreen wiper does not clear the windscreen effectively | 204 |
| Parking brake: efficiency below requirements |3.7.B.7| | 150 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 128 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 121 |
| Rear parking brake recording little or no effort | 96 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 92 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 90 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 85 |
| Registration plate issues | 81 |
| Brake hose excessively deteriorated | 78 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 53 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 50 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 48 |
| Brakes imbalanced across an axle | 45 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 41 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 40 |
| Parking brake lever has no reserve travel |3.1.6b| | 40 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 37 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 34 |
| Offside Rear fog lamp not working |1.3.2b| | 32 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 28 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 25 |
| Rear brake binding | 25 |
| Nearside Stop lamp not working |1.2.1b| | 25 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 24 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 23 |
| Offside Stop lamp not working |1.2.1b| | 22 |
| Offside Front coil spring fractured |2.4.C.1a| | 22 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 22 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 21 |
| Nearside Front coil spring fractured |2.4.C.1a| | 20 |
| Rear brake disc in such a condition that it is seriously weakened | 20 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 19 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 19 |
| Service brake: efficiency below requirements |3.7.B.7| | 18 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Offside Front coil spring incomplete |2.4.C.1a| | 18 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 17 |
| Front brake disc in such a condition that it is seriously weakened | 17 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 16 |
| Front position lamp|s| not working |1.1.A.3b| | 16 |
| Windscreen has damage | 16 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 15 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 14 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 13 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 13 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 13 |
| Offside Outer Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 12 |
| Windscreen wiper blade insecure | 12 |
| Offside Rear coil spring fractured |2.4.C.1a| | 12 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 12 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 12 |
| Battery insecure |1.9.1| | 12 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 11 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 11 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 11 |
| Offside Headlamp not working on main beam |1.7.5a| | 11 |
| 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| | 11 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 11 |
| 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| | 11 |
| Nearside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 10 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 10 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 10 |
| Rear fog lamp tell tale not working |1.3.1b| | 10 |
| Offside Rear coil spring broken |2.4.C.1a| | 10 |
| Brake hose damaged | 10 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 9 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 9 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Offside Front Seat belt damaged sufficient to significantly weakened the webbing |5.2.2a| | 9 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 9 |
| Front brake application uneven | 9 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 9 |
| Steering column will not lock in a fixed position |adjustable type| |2.1.2a| | 8 |
| Offside Front coil spring broken |2.4.C.1a| | 8 |
| Nearside Front Brake hose excessively damaged |3.6.B.4d| | 8 |
| Brake performance not tested |3.7.A.1| | 8 |
| Bonnet cannot be secured in the closed position |8.4.1| | 8 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Nearside Rear Stop lamp not working |1.2.1b| | 8 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 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 |
| Nearside Outer Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 7 |
| Offside Rear Stop lamp not working |1.2.1b| | 7 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 7 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 7 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 7 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 7 |
| 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| | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 7 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 7 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 7 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 6 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 6 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 6 |
| Horn not working |1.6.2a| | 6 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 6 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 5 |
| Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Emissions not tested |7.0| | 5 |
| Offside front brake juddering severely |3.7.A.2b| | 5 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 5 |
| Rear Rear fog lamp not working |1.3.2b| | 5 |
| Offside Front Anti-roll bar ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 5 |
| Offside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 5 |
| Rear brake application uneven | 5 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 5 |
| Rear Mechanical brake component has restricted free movement | 5 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 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| | 5 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 5 |