| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1475 |
| Headlamp aim out of alignment | 1097 |
| Parking brake: efficiency below requirements |3.7.B.7| | 851 |
| Rear parking brake recording little or no effort | 695 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 600 |
| Registration plate issues | 567 |
| Parking brake lever has no reserve travel |3.1.6b| | 497 |
| Registration plate lamp issues | 336 |
| Rear brake binding | 246 |
| Brakes imbalanced across an axle | 175 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 158 |
| Rear brake disc in such a condition that it is seriously weakened | 153 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 152 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 140 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 138 |
| Front brake disc in such a condition that it is seriously weakened | 115 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 110 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 94 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 86 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 85 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 82 |
| Battery insecure |1.9.1| | 67 |
| Windscreen has damage | 67 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 65 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 63 |
| Anti-lock braking system warning lamp indicates an ABS fault | 60 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 59 |
| Brake pipe excessively corroded | 56 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 53 |
| Offside Rear fog lamp not working |1.3.2b| | 52 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 51 |
| Horn not working |1.6.2a| | 50 |
| Rear Mechanical brake component has restricted free movement | 49 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 46 |
| Windscreen wiper blade insecure | 45 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 43 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 42 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 42 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 41 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 40 |
| Rear brake application uneven | 40 |
| Nearside Stop lamp not working |1.2.1b| | 40 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 40 |
| Service brake: efficiency below requirements |3.7.B.7| | 38 |
| 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| | 37 |
| 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| | 35 |
| Service brake: efficiency below requirements |3.7.C.1a| | 34 |
| Rear Exhaust system not adequately supported |7.1.1| | 33 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 33 |
| Front brake application uneven | 32 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 32 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 31 |
| 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| | 30 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 30 |
| 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| | 29 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 28 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 28 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 28 |
| Offside Stop lamp not working |1.2.1b| | 27 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 26 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 25 |
| Parking brake: efficiency below requirements |3.7.D.4| | 25 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 25 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 24 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 24 |