| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Windscreen wiper does not clear the windscreen effectively | 4 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Windscreen wiper blade insecure | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Rear brake binding | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Front Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Fuel hose leaking |7.2.3| | 1 |
| Nearside front brake grabbing severely |3.7.A.2b| | 1 |
| Front brake application uneven | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Direction indicators not working |1.4.A.2c| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Stop lamp excessively deteriorated so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Nearside Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Brakes imbalanced across an axle | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Rear Shock absorber has negligible damping effect |2.7.5| | 1 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside Brake pipe excessively damaged |3.6.B.2c| | 1 |
| Offside Brake pipe excessively damaged |3.6.B.2c| | 1 |
| Centre Obligatory mirror missing |8.1.1| | 1 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Centre Stop lamp not working |1.2.1b| | 1 |
| Steering wheel in a condition that hampers proper control |2.1.1| | 1 |
| Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Horn is a gong |1.6.2c| | 1 |
| Offside Semaphore indicator arm does not extend smoothly |1.4.C.1a| | 1 |
| Nearside Front Axle beam has excessive vertical movement between stub axle and axle beam |2.5.A.1a| | 1 |
| Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Front Shock absorber insecure |2.7.2b| | 1 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |