| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 177 |
| Headlamp aim out of alignment | 146 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 122 |
| Registration plate lamp issues | 107 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 84 |
| Registration plate issues | 78 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 74 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 67 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 61 |
| Offside Side repeater not working |1.4.A.2c| | 47 |
| Parking brake: efficiency below requirements |3.7.B.7| | 47 |
| Nearside Side repeater not working |1.4.A.2c| | 46 |
| Brakes imbalanced across an axle | 45 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 42 |
| Offside Side repeater has less than 50% of the light sources illuminating |1.4.A.2c| | 33 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 32 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 32 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 32 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 31 |
| Nearside Side repeater has less than 50% of the light sources illuminating |1.4.A.2c| | 29 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 29 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 28 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 27 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 26 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 25 |
| Rear brake disc in such a condition that it is seriously weakened | 23 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 23 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Rear parking brake recording little or no effort | 20 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 19 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 19 |
| Offside Front Position lamp not working |4.2.1 |a|| | 17 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 17 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 17 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Nearside Stop lamp not working |1.2.1b| | 16 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 14 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Service brake: efficiency below requirements |3.7.B.7| | 13 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 13 |
| Offside Stop lamp not working |1.2.1b| | 13 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 12 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 11 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 11 |
| Nearside Front Side repeater not working |1.4.A.2c| | 11 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 10 |
| Offside Front Side repeater not working |1.4.A.2c| | 10 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 9 |
| Windscreen washer not working | 9 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Rear brake binding | 8 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 8 |
| Nearside Front Shock absorbers has a serious fluid leak | 8 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 8 |
| Nearside Rear Stop lamp not working |1.2.1b| | 8 |
| Offside Front Side repeater has less than 50% of the light sources illuminating |1.4.A.2c| | 8 |
| Offside Front Shock absorbers has a serious fluid leak | 7 |
| Nearside Side repeater with a multiple light source more than 1/2 not functioning |4.4.1 |a| |ii|| | 7 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 7 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 7 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 7 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 6 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 6 |
| Nearside Rear Parking brake inoperative on one side |1.4.1 |a|| | 6 |
| Nearside Side repeater excessively damaged so that it is not visible from a reasonable distance |1.4.A.2e| | 6 |
| Offside Rear Stop lamp not working |1.2.1b| | 6 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 6 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 6 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 6 |
| Front brake disc in such a condition that it is seriously weakened | 6 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 5 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 5 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 5 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 5 |
| Parking brake lever has no reserve travel |3.1.6b| | 5 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 5 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 5 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Offside Side repeater excessively damaged so that it is not visible from a reasonable distance |1.4.A.2e| | 5 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 5 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 5 |
| Horn not working (7.7 (a)) | 5 |
| Offside Rear fog lamp not working |1.3.2b| | 5 |