| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Brake valve leaking |3.6.A.1| | 2 |
| Registration plate lamp issues | 2 |
| Brakes imbalanced across an axle | 2 |
| Offside Front Headlamp light intensity severely reduced ON DIP BEAM (4.1.4 (a)) | 1 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Nearside Front Headlamp light intensity severely reduced ON DIP BEAM (4.1.4 (a)) | 1 |
| Offside Front Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 1 |
| Nearside Ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 1 |
| Centre Fuel pipe leaking |7.2.3| | 1 |
| Horn not working |1.6.2a| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Offside Headlamp insecure |1.7.3| | 1 |
| Rear Brake load sensing valve inoperative |3.6.E.3| | 1 |
| Centre Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Front Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Offside Front Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Nearside Front Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Offside Front Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |