| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Registration plate issues | 4 |
| Registration plate lamp issues | 3 |
| Service brake: efficiency below requirements |3.7.C.1a| | 3 |
| Rear reflector missing |1.5.1a| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Rear Rear reflector missing |1.5.1a| | 1 |
| Offside Rear Rear reflector missing |1.5.1a| | 1 |
| Front Steering damper inappropriately modified |2.2.C.1e| | 1 |
| Brake hose has insufficient room to move | 1 |
| Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Rear Statutory seat belt missing |5.1.1| | 1 |
| Driver`s seat insecure |6.2.A.1| | 1 |
| Front Brake disc contaminated nerarside caliper leaking (1.1.14 (b)) | 1 |
| Brake pedal pivot has excessive wear or free play (1.1.1 (b)) | 1 |
| Service brake efficiency less than 50% of the required value (1.2.2 (a) (ii)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Centre Headlamp insecure |1.7.3| | 1 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Rear Mechanical brake component securing device loose |3.5.1i| | 1 |
| Stop lamp obviously incorrectly positioned |1.2.1a| | 1 |
| Rear Direction indicators obviously incorrectly positioned |1.4.A.2b| | 1 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Headlamp switch faulty |1.7.1| | 1 |
| Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Obligatory mirror missing |8.1.1| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Brakes imbalanced across an axle | 1 |
| Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Rear position lamp|s| obviously incorrectly positioned |1.1.A.3a| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front Direction indicator flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Brake pipe excessively corroded | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Nearside Obligatory mirror missing |8.1.1| | 1 |
| Nearside Rear Parking brake efficiency below requirements |3.7.B.7| | 1 |
| Centre Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear fog lamp does not face the rear |4.5.4 |a|| | 1 |
| Rear Lower Shock absorbers insecurely attached |5.3.2 |a| |i|| | 1 |
| Offside Rear Hazard warning switch inoperative (4.4.2 (a) (ii)) | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Offside Front Shock absorbers has a serious fluid leak | 1 |
| Position lamp showing white light to the rear both |4.2.3 |a| |ii|| | 1 |