| Most common failures | No# failures |
|---|
| Brakes imbalanced across an axle | 3 |
| Direction indicator not working |1.4.A.2c| | 2 |
| Hazard warning lamps inoperative |1.4.B.1b| | 2 |
| Windscreen wiper does not clear the windscreen effectively | 2 |
| Front brake application uneven | 2 |
| Rear fog lamp missing |1.3.2a| | 2 |
| Rear brake application uneven | 2 |
| Offside Rear fog lamp missing |1.3.2a| | 2 |
| Registration plate lamp issues | 2 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Rear fog lamp switch faulty |1.3.1a| | 1 |
| front brakes release unevenly |3.7.B.4| | 1 |
| Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Direction indicator insecure |1.4.A.2b| | 1 |
| Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Offside Side repeater incorrect colour lamp damaged and lens missing |4.4.3 |a|| | 1 |
| Offside Front Body component damaged and likely to cause injury lamp damaged |6.2.1 |a| |i|| | 1 |
| Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Side repeater not working |1.4.A.2c| | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Indicator switch inoperative on one side (4.4.2 (a) (ii)) | 1 |
| Offside Rear Service brake lagging in operation (1.2.1 (d)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 1 |
| Offside Rear fog lamp flickers when tapped lightly by hand |1.1.6d| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |