| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 731 |
| Registration plate lamp issues | 648 |
| Windscreen wiper does not clear the windscreen effectively | 426 |
| Rear brake binding | 209 |
| Registration plate issues | 178 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 173 |
| Nearside Stop lamp not working |1.2.1b| | 171 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 144 |
| Parking brake: efficiency below requirements |3.7.B.7| | 142 |
| Offside Stop lamp not working |1.2.1b| | 132 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 119 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 115 |
| Rear brake disc in such a condition that it is seriously weakened | 100 |
| Brakes imbalanced across an axle | 98 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 88 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 88 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 85 |
| Brake pipe excessively corroded | 78 |
| Front brake disc in such a condition that it is seriously weakened | 73 |
| Rear parking brake recording little or no effort | 70 |
| Rear Exhaust system not adequately supported |7.1.1| | 64 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 64 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 58 |
| Windscreen has damage | 54 |
| Nearside Rear Stop lamp not working |1.2.1b| | 54 |
| Offside Rear Stop lamp not working |1.2.1b| | 51 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 50 |
| Offside Rear fog lamp not working |1.3.2b| | 49 |
| Anti-lock braking system warning lamp indicates an ABS fault | 49 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 48 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 47 |
| Offside Front brake disc excessively pitted |3.5.1h| | 41 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 40 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 40 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 40 |
| Centre Exhaust system not adequately supported |7.1.1| | 37 |
| Exhaust system not adequately supported |7.1.1| | 37 |
| Offside Front coil spring broken |2.4.C.1a| | 36 |
| Rear fog lamp not working |1.3.2b| | 35 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 35 |
| Offside Front coil spring incomplete |2.4.C.1a| | 35 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 34 |
| Horn not working |1.6.2a| | 34 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 33 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 31 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 31 |
| Emissions not tested |7.0| | 31 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 29 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 28 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 27 |
| Nearside Front coil spring broken |2.4.C.1a| | 26 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 26 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 25 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 25 |
| Nearside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 25 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 25 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 25 |
| Rear Mechanical brake component has restricted free movement | 25 |
| Offside Front coil spring fractured |2.4.C.1a| | 24 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 24 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 24 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 23 |
| Offside Rear coil spring broken |2.4.C.1a| | 23 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 23 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 23 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 22 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 22 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 20 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 20 |
| Front brake application uneven | 19 |
| Windscreen wiper blade insecure | 18 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Battery insecure |1.9.1| | 17 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 17 |
| Rear brake application uneven | 17 |
| Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 16 |
| Nearside Headlamp insecure |1.7.3| | 15 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 15 |
| Rear brake disc excessively pitted |3.5.1h| | 15 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 15 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 14 |
| Offside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 14 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 13 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 13 |
| Brake hose damaged | 13 |
| Nearside Headlamp not working on main beam |1.7.5a| | 13 |
| Front brake disc excessively pitted |3.5.1h| | 12 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 12 |
| Offside Headlamp not working on main beam |1.7.5a| | 12 |
| Nearside Rear coil spring broken |2.4.C.1a| | 12 |
| Service brake: efficiency below requirements |3.7.B.7| | 12 |
| Brake hose excessively deteriorated | 12 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 12 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 12 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 11 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 11 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 11 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 11 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 11 |