| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3 |
| Offside Front position lamp(s) not working (1.1.A.3b) | 3 |
| Brakes imbalanced across an axle | 2 |
| Windscreen wiper does not clear the windscreen effectively | 2 |
| Registration plate issues | 2 |
| Registration plate lamp issues | 2 |
| Offside Rear fog lamp missing (1.3.2a) | 2 |
| Trailer electrical socket (13 pin) not functioning at all Can not insert socket to test plug due to an obstruction in the socket. (4.10 (c) (ii)) | 1 |
| Nearside Rear Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Brake pipe excessively corroded | 1 |
| Brake drum contaminated Brake fluid (1.1.14 (b)) | 1 |
| Offside Rear Hydraulic brake cylinder leaking and braking performance affected (1.1.16 (b) (ii)) | 1 |
| Offside Front Steering linkage ball joint has excessive play Inner tie rod (2.1.3 (b) (i)) | 1 |
| Offside Headlamp not working on dipped beam (1.7.5a) | 1 |
| Nearside Headlamp not in good working order adversely affecting beam image (1.2.4a) | 1 |
| Parking brake lever has no reserve travel (3.1.6b) | 1 |
| Parking brake: efficiency below requirements (3.7.C.1b) | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Rear Suspension arm pin or bush likely to become detached o/s and n/s above diff (5.3.4 (a) (ii)) | 1 |
| Nearside Seat belt damaged sufficient to significantly weakened the webbing (5.2.2a) | 1 |
| Brake performance not tested Wheel cylinder leaking fluid. (1.2.1 (g)) | 1 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 1 |
| Windscreen in such a condition that visibility through swept area is seriously affected Black stripe across windscreen. (3.2 (c) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear fog lamp tell tale not working (1.3.1b) | 1 |
| Rear brake binding | 1 |
| Offside Rear position lamp(s) excessively deteriorated so that it is not visible from a reasonable distance (1.1.A.3d) | 1 |
| Offside Headlamp not working on main beam (1.7.5a) | 1 |
| Nearside Side repeater missing (1.4.A.2b) | 1 |
| Offside Side repeater missing (1.4.A.2b) | 1 |
| Hazard warning switch missing (1.4.B.1d) | 1 |
| Brake pedal anti-slip provision missing (3.3.A.1b) | 1 |
| Exhaust has a major leak of exhaust gases (7.1.2) | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Horn not working (1.6.2a) | 1 |