| Most common failures | No# failures |
|---|
| Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 2 |
| Nearside Rear Direction indicator excessively deteriorated so that it is not visible from a reasonable distance |1.4.A.2e| | 1 |
| Registration plate issues | 1 |
| Front Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Nearside Obligatory mirror missing |8.1.1| | 1 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Registration plate lamp issues | 1 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Direction indicator flashing more than 120 times a minute |1.4.A.2g| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Brake pipe excessively corroded | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 1 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Rear Suspension has inadequate clearance with the chassis |2.4.A.1a| | 1 |
| Rear Fuel hose excessively chafed |7.2.2| | 1 |
| Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Position lamp switch faulty |1.1.A.1| | 1 |
| Horn not working |1.6.2a| | 1 |