| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1349 |
| Registration plate lamp issues | 958 |
| Headlamp aim out of alignment | 767 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 426 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 405 |
| Rear brake binding | 362 |
| Registration plate issues | 301 |
| Brakes imbalanced across an axle | 284 |
| Offside Stop lamp not working |1.2.1b| | 272 |
| Brake pipe excessively corroded | 247 |
| Nearside Stop lamp not working |1.2.1b| | 196 |
| Offside Rear fog lamp not working |1.3.2b| | 158 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 142 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 137 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 133 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 124 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 120 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 108 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 108 |
| Offside Rear Stop lamp not working |1.2.1b| | 104 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 102 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 93 |
| Rear fog lamp not working |1.3.2b| | 85 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 81 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 80 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 77 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 74 |
| Front brake disc in such a condition that it is seriously weakened | 74 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 73 |
| Nearside Rear Stop lamp not working |1.2.1b| | 72 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 70 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 68 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 65 |
| Nearside front brake binding |3.7.B.1| | 63 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 61 |
| Offside front brake binding |3.7.B.1| | 61 |
| Windscreen has damage | 59 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 57 |
| Parking brake: efficiency below requirements |3.7.B.7| | 57 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 57 |
| Rear brake application uneven | 54 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 53 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 53 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 53 |
| Parking brake lever has no reserve travel |3.1.6b| | 51 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 51 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 50 |
| Front brake application uneven | 50 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 49 |
| Rear Mechanical brake component has restricted free movement | 49 |
| Rear brake disc in such a condition that it is seriously weakened | 49 |
| Battery insecure |1.9.1| | 47 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 44 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 43 |
| Windscreen wiper blade insecure | 43 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 41 |
| Anti-lock braking system warning lamp indicates an ABS fault | 41 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 39 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 39 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 38 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 37 |
| Offside Rear Anti-roll bar linkage fractured |2.4.G.1| | 37 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 36 |
| Windscreen washer not working | 35 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 35 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 33 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 32 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 32 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 32 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 31 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 31 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 31 |
| Offside Rear Anti-roll bar linkage insecure |2.4.G.1| | 31 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 30 |
| Front position lamp|s| not working |1.1.A.3b| | 30 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 29 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 29 |
| Offside Front front brake binding |3.7.B.1| | 29 |
| Offside Front Position lamp not working |4.2.1 |a|| | 27 |
| Offside Front coil spring broken |2.4.C.1a| | 27 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 26 |
| Nearside Front front brake binding |3.7.B.1| | 25 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 25 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 25 |
| Mechanical brake component has restricted free movement | 25 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 24 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 24 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 24 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 24 |
| Offside Upper Rear position lamp|s| not working |1.1.A.3b| | 24 |
| Nearside Upper Rear position lamp|s| not working |1.1.A.3b| | 24 |
| Service brake: efficiency below requirements |3.7.B.7| | 23 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 23 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 23 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 22 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 22 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 22 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 22 |