| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 5 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2 |
| Brakes imbalanced across an axle | 2 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 1 |
| Offside Front Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Nearside Front Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Central Exhaust system insecure (6.1.2 (a)) | 1 |
| Offside Rear Brake hose leaking on a hydraulic braking system (1.1.12 (c) (ii)) | 1 |
| Brake pipe leaking on a hydraulic braking system over fuel tank (1.1.11 (b) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Service brake efficiency less than 50% of the required value (1.2.2 (a) (ii)) | 1 |
| Nearside Rear Brake pipe leaking on an air braking system (1.1.11 (b) (i)) | 1 |
| Nearside Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Windscreen washer not working | 1 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 1 |
| Nearside Front Headlamp has a product on the light source so that the light output is severely reduced (4.1.4 (b)) | 1 |
| Offside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 1 |
| Front Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 1 |
| Windscreen in such a condition that visibility through swept area is seriously affected (3.2 (c) (ii)) | 1 |
| Windscreen wiper does not clear the windscreen effectively | 1 |
| Central Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |