| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 612 |
| Windscreen wiper does not clear the windscreen effectively | 456 |
| Headlamp aim out of alignment | 391 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 137 |
| Registration plate issues | 124 |
| Brake pipe excessively corroded | 124 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 99 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 94 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 84 |
| Nearside Side repeater not working |1.4.A.2c| | 83 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 82 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 79 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 78 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 76 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 75 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 71 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 71 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 67 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 59 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 54 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 51 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 47 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 44 |
| Offside Side repeater not working |1.4.A.2c| | 44 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 43 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 40 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 40 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 40 |
| Windscreen washer not working | 35 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 33 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 33 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 32 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 32 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 28 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 28 |
| Offside Rear Shock absorbers has a serious fluid leak | 26 |
| Nearside Stop lamp not working |1.2.1b| | 25 |
| Nearside Rear Shock absorbers has a serious fluid leak | 25 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 25 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 25 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 23 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 23 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 23 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 23 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 22 |
| Anti-lock braking system warning lamp indicates an ABS fault | 21 |
| Front brake disc in such a condition that it is seriously weakened | 20 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 20 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 19 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 18 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 18 |
| Nearside Front Side repeater not working |1.4.A.2c| | 17 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 17 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 17 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 17 |
| Nearside Rear Stop lamp not working |1.2.1b| | 16 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 16 |
| Nearside Rear Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 16 |
| Nearside Side repeater light intensity significantly reduced (4.4.3 (a)) | 15 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 15 |
| Offside Front Shock absorbers has a serious fluid leak | 15 |
| Parking brake: efficiency below requirements |3.7.B.7| | 15 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 14 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 13 |
| Central Stop lamp(s) with a multiple light source more than 1/2 not functioning (4.3.1 (a) (ii)) | 13 |
| Offside Rear Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 13 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 12 |
| Nearside Rear Parking brake inoperative on one side |1.4.1 |a|| | 12 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 12 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 11 |
| Offside Rear Stop lamp not working |1.2.1b| | 11 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 11 |