| Most common failures | No# failures |
|---|
| Horn not working |1.6.2a| | 2 |
| Brake pipe excessively corroded | 2 |
| Main beam `tell-tale` not working |1.7.4c| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 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 |
| Speedometer cannot be illuminated. |6.7.3| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Rear Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Battery insecure |1.9.1| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear Air suspension unit damaged and likely to fail |2.4.D.1b| | 1 |
| Trailer electrical socket damaged so that lead cannot be securely connected |1.9.3b| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Brakes imbalanced across an axle | 1 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Offside Obligatory mirror insecure |8.1.1| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Rear brake binding | 1 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Rear fog lamp tell tale missing |1.3.1b| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Steering damper leaking oil |2.2.C.1f| | 1 |
| Nearside Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Front brake application uneven | 1 |
| front brakes release unevenly |3.7.B.4| | 1 |