| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3494 |
| Registration plate lamp issues | 3019 |
| Windscreen wiper does not clear the windscreen effectively | 3002 |
| Parking brake: efficiency below requirements |3.7.B.7| | 913 |
| Brake pipe excessively corroded | 784 |
| Brakes imbalanced across an axle | 669 |
| Rear parking brake recording little or no effort | 610 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 540 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 534 |
| Offside Stop lamp not working |1.2.1b| | 495 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 487 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 480 |
| Registration plate issues | 317 |
| Nearside Stop lamp not working |1.2.1b| | 302 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 300 |
| Parking brake lever has no reserve travel |3.1.6b| | 288 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 275 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 273 |
| Front brake disc in such a condition that it is seriously weakened | 273 |
| Offside Rear Stop lamp not working |1.2.1b| | 236 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 231 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 227 |
| Rear brake disc in such a condition that it is seriously weakened | 217 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 203 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 200 |
| Rear brake binding | 196 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 195 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 182 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 180 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 179 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 178 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 174 |
| Offside front brake binding |3.7.B.1| | 157 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 151 |
| Battery insecure |1.9.1| | 151 |
| Nearside Rear Stop lamp not working |1.2.1b| | 147 |
| Nearside Headlamp insecure |1.7.3| | 146 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 140 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 139 |
| Front brake application uneven | 137 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 135 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 130 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 127 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 123 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 121 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 115 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 112 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 110 |
| Front brake excessively fluctuating | 110 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 109 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 104 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 104 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 104 |
| Offside Front front brake binding |3.7.B.1| | 104 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 102 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 102 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 102 |
| Nearside front brake binding |3.7.B.1| | 101 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 99 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 97 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 96 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 94 |
| Brake hose excessively deteriorated | 89 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 88 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 88 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 87 |
| Offside Headlamp insecure |1.7.3| | 87 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 86 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 86 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 85 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 84 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 82 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 81 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 80 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 78 |
| Windscreen washer not working | 77 |
| Windscreen wiper blade insecure | 77 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 75 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 75 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 71 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 68 |
| Emissions not tested (8.2.1.2 (d)) | 68 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 67 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 67 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 66 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 64 |
| Nearside Front front brake binding |3.7.B.1| | 64 |
| Anti-lock braking system warning lamp indicates an ABS fault | 63 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 63 |
| Mechanical brake component has restricted free movement | 61 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 60 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 60 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 59 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 58 |
| Offside Front Position lamp not working |4.2.1 |a|| | 58 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 58 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 57 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 57 |
| Nearside Headlamp light intensity severely reduced (4.1.4 (a)) | 55 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 54 |
| Nearside Front Headlamp insecure |1.7.3| | 54 |
| Rear brake application uneven | 53 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 53 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 52 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 52 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 52 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 51 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 51 |