| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 808 |
| Parking brake: efficiency below requirements |3.7.B.7| | 592 |
| Windscreen wiper does not clear the windscreen effectively | 504 |
| Rear parking brake recording little or no effort | 414 |
| Parking brake lever has no reserve travel |3.1.6b| | 329 |
| Headlamp aim out of alignment | 323 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 277 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 207 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 205 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 174 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 165 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 159 |
| Rear brake binding | 145 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 126 |
| Registration plate issues | 116 |
| Nearside Stop lamp not working |1.2.1b| | 109 |
| Offside Stop lamp not working |1.2.1b| | 107 |
| Anti-lock braking system warning lamp indicates an ABS fault | 106 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 97 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 92 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 90 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 89 |
| Front brake disc in such a condition that it is seriously weakened | 82 |
| Brakes imbalanced across an axle | 70 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 66 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 66 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 64 |
| Battery insecure |1.9.1| | 62 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 59 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 57 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 56 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 54 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 54 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 50 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 49 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 49 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 45 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 44 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 43 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 43 |
| Offside Front Position lamp not working |4.2.1 |a|| | 42 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 42 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 40 |
| Windscreen washer not working | 40 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 39 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 39 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 38 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 35 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 35 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 35 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 34 |
| Nearside Rear Stop lamp not working |1.2.1b| | 34 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 33 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 33 |
| Offside Rear fog lamp not working |1.3.2b| | 33 |
| Offside Rear Stop lamp not working |1.2.1b| | 33 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 29 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 29 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 28 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 26 |
| Rear brake disc in such a condition that it is seriously weakened | 26 |
| Offside front brake binding |3.7.B.1| | 24 |
| Nearside Headlamp not working on main beam |1.7.5a| | 23 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 23 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 22 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 22 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 21 |
| Nearside front brake binding |3.7.B.1| | 21 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 21 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 20 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 20 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 20 |
| Rear Mechanical brake component has restricted free movement | 20 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 19 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 19 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 18 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 18 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 17 |
| Mechanical brake component has restricted free movement | 17 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 17 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 17 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 17 |
| Fuel system component leaking |7.2.3| | 17 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 16 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 16 |
| Rear brake application uneven | 16 |
| Windscreen has damage | 16 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 16 |
| Offside Front front brake binding |3.7.B.1| | 16 |
| Rear fog lamp not working |1.3.2b| | 16 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 16 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 16 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 15 |
| Horn not working (7.7 (a)) | 15 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 15 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 15 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 15 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 14 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 14 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 14 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 14 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 13 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 13 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 13 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 13 |
| Nearside Front coil spring broken |2.4.C.1a| | 13 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 13 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 13 |