| Most common failures | No# failures |
|---|
| Stop lamp not working |1.2.1b| | 5 |
| Registration plate lamp issues | 3 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 2 |
| Headlamp aim out of alignment | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Rear Brake pipe inadequately supported |3.6.B.1| | 1 |
| Offside Outer Brake clevis joint locking device insecure |3.5.1l| | 1 |
| Nearside Braking system leaking |3.6.A.1| | 1 |
| Nearside Rear Torque/reaction arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Rear Wheel nut|s| loose |4.2.A.1e| | 1 |
| Steering headbearing has excessive free play |9.2.4| | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Front Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Nearside Rear Vehicle structure has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Centre Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Rear Trikes, quads or pre-68 vehicles, service brake imbalanced across an axle |3.7.B.5b| | 1 |
| Nearside Rear Rear position lamp|s| has a product on the lens so it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear Rear position lamp|s| has a product on the light source so it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Rear Stop lamp has a product on the light source so it is not visible from a reasonable distance |1.2.1d| | 1 |
| Offside Rear Stop lamp has a product on the light source so it is not visible from a reasonable distance |1.2.1d| | 1 |
| Nearside Front Direction indicator insecure |1.4.A.2b| | 1 |
| Offside Front Direction indicator insecure |1.4.A.2b| | 1 |
| Headlamp insecure |1.7.3| | 1 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Front Brake lever has inadequate reserve travel |9.3.1f| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Front wheel spindle securing nut locking device missing |9.2.8b| | 1 |
| Vehicle structure has a fracture which adversely affects braking or steering |6.1.A.1| | 1 |
| Front Brake lever has abnormal movement of levers indicating maladjustment |3.5.1f| | 1 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| front brake binding |3.7.B.1| | 1 |
| Nearside Stop lamp(s) showing white light to the rear (4.3.3 (a) (ii)) | 1 |
| Offside Stop lamp(s) showing white light to the rear (4.3.3 (a) (ii)) | 1 |
| Suspension component likely to fail rear prop shaft u/j excessively worn (5.3.3 (b) (ii)) | 1 |
| Brake pipe leaking at front of vehicle |3.6.A.1| | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Brake hose damaged | 1 |
| Front Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Rear reflector missing |1.5.1a| | 1 |