| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 78 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 59 |
| Headlamp aim out of alignment | 36 |
| Windscreen washer not working | 23 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 16 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 15 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 9 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 8 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 8 |
| Registration plate issues | 6 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 5 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 5 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 5 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Offside Rear Shock absorbers has a serious fluid leak | 4 |
| Drivers airbag obviously inoperative (7.1.5 (c)) | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 4 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Stop lamp(s) adversely affected by the operation of another lamp (4.3.3 (b)) | 4 |
| Offside Rear Hydraulic brake calliper leaking (1.1.16 (b) (i)) | 3 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Brakes imbalanced across an axle | 3 |
| Nearside Rear Shock absorbers has a serious fluid leak | 3 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Front Bumper damaged and likely to cause injury when grazed or contacted (6.1.4 (a) (i)) | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Registration plate lamp issues | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 2 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Nearside Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 2 |
| Offside Front Drivers airbag obviously inoperative (7.1.5 (c)) | 2 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 2 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 2 |