| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3701 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 1395 |
| Windscreen wiper does not clear the windscreen effectively | 1085 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 792 |
| Windscreen washer not working | 753 |
| Registration plate issues | 506 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 436 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 416 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 401 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 343 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 339 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 238 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 203 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 202 |
| Registration plate lamp issues | 195 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 195 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 176 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 175 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 160 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 156 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 149 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 143 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 142 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 138 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 137 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 135 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 134 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 128 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 128 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 127 |
| Brakes imbalanced across an axle | 127 |
| Horn not working (7.7 (a)) | 121 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 109 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 103 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 99 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 95 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 81 |
| Front brake disc in such a condition that it is seriously weakened | 77 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 76 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 68 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 68 |
| Nearside Rear Shock absorbers has a serious fluid leak | 67 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 65 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 64 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 61 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 60 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 59 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 59 |
| Offside Rear Shock absorbers has a serious fluid leak | 59 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 59 |