| Most common failures | No# failures |
|---|
| Brakes imbalanced across an axle | 4 |
| Horn not working |1.6.2a| | 3 |
| Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 2 |
| Headlamp aim out of alignment | 2 |
| Centre Rear reflector missing |1.5.1a| | 1 |
| Rear Trikes, quads or pre-68 vehicles, service brake imbalanced across an axle |3.7.B.5b| | 1 |
| Rear Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Steering headbearing has excessive free play |9.2.4| | 1 |
| Nearside Rear Vehicle structure has a modification which adversely affects braking or steering axle mounts insecure |6.1.A.1| | 1 |
| Offside Rear Vehicle structure has a modification which adversely affects braking or steering axle mount insecure |6.1.A.1| | 1 |
| Hazard warning switch missing |1.4.B.1d| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear position lamp|s| missing |1.1.A.3a| | 1 |
| Offside Rear position lamp|s| missing |1.1.A.3a| | 1 |
| Hazard warning lamps not fitted |1.4.B.1a| | 1 |
| Front Front suspension inadequate damping effect |9.2.7d| | 1 |
| Rear brake application uneven | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear brake drum contaminated by oil |3.5.1h| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 1 |
| Rear Axle with loose fixing bolts front mounting clamp |5.1.1 |b| |i|| | 1 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Parking brake lever, pawl mechanism pivots or their associated mountings are insecure |3.1.4b| | 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 Service brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Nearside Front Shock absorbers has a serious fluid leak | 1 |
| Offside Front Shock absorbers has a serious fluid leak | 1 |
| Nearside Front Shock absorbers damaged to the extent that it does not function |5.3.2 |b|| | 1 |
| Offside Front Shock absorbers damaged to the extent that it does not function |5.3.2 |b|| | 1 |
| Offside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Nearside Rear Brake drum contaminated leaking oil |1.1.14 |b|| | 1 |
| Nearside Front Footrest insecure |6.2.12 |a|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |8.1.1 |a|| | 1 |
| Exhaust system insecure fouling suspension |6.1.2 |a|| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Body mounting fixings insecure such that stability is seriously impaired mudguard |6.2.2 |c| |ii|| | 1 |
| Service brake efficiency less than 50% of the required value |1.2.2 |a| |ii|| | 1 |
| Offside Rear Suspension arm cracked |2.4.G.1| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Front Direction indicators not working |1.4.A.2c| | 1 |
| Rear Direction indicators not working |1.4.A.2c| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Centre Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Centre Stop lamp not working |1.2.1b| | 1 |
| Centre Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear Rear reflector missing |1.5.1a| | 1 |
| Nearside Rear Rear position lamp|s| missing |1.1.A.3a| | 1 |
| Offside Rear Rear position lamp|s| missing |1.1.A.3a| | 1 |
| Nearside Rear Stop lamp missing |1.2.1a| | 1 |
| Offside Rear Stop lamp missing |1.2.1a| | 1 |