| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Rear brake binding | 5 |
| Parking brake: efficiency below requirements |3.7.B.7| | 5 |
| Nearside Stop lamp not working |1.2.1b| | 5 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Rear parking brake recording little or no effort | 4 |
| Indicator tell tale inoperative |1.4.A.2a| | 3 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Windscreen wiper does not clear the windscreen effectively | 2 |
| Offside Rear Braking system leaking |3.6.A.1| | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Parking brake efficiency below requirements |3.7.C.1b| | 2 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Fuel pipe leaking |7.2.3| | 1 |
| Horn not working |1.6.2a| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Rear Vehicle structure has an inadequate repair, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Vehicle structure has an inadequate repair, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Centre Windscreen wiper blade missing |8.2.2| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Braking system leaking brake light switch. Fitted new switch with correct thread and topped up fluid. |3.6.A.1| | 1 |
| Position lamp switch missing |1.1.A.1| | 1 |
| Indicator switch missing |1.4.A.1| | 1 |
| Horn control missing |1.6.1| | 1 |
| Headlamp switch missing |1.7.1| | 1 |
| Brake pedal inappropriately repaired |3.3.A.6| | 1 |
| Parking brake efficiency below requirements |3.7.B.7| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Front Steering wheel retaining device insecure |2.1.6| | 1 |
| Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear rear brakes release unevenly |3.7.B.4| | 1 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 1 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Front Steering column top bearing excessively worn |2.1.2c| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Brakes imbalanced across an axle | 1 |
| Fuel hose leaking filler kneck |7.2.3| | 1 |
| Nearside Direction indicator flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Offside Rear Radius arm attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Offside Rear Lower Trailing arm attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Nearside Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Headlamp does not operate immediately when selected on main beam |1.7.4a| | 1 |
| Nearside Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Offside Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Rear Suspension arm locating pin insecure |2.4.G.3a| | 1 |
| Offside Rear Suspension arm locating pin insecure |2.4.G.3a| | 1 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Nearside Rear brake drum contaminated by oil |3.5.1h| | 1 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Front Drag link end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Nearside Rear Direction indicator excessively damaged so that it is not visible from a reasonable distance |1.4.A.2e| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Centre Front Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Wheel insecure |4.2.A.1c| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Parking brake lever, pawl mechanism pivot|s| retaining device missing |3.1.4b| | 1 |
| Registration plate lamp issues | 1 |
| Steering wheel retaining device insecure |2.1.6| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Centre Front wheel cylinder leaking |3.6.A.1| | 1 |
| Centre Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Central Steering component casing has relative movement to chassis/bodywork kingpin worn to excess (2.1.2 (a) (ii)) | 1 |
| Nearside Rear Suspension component mounting prescribed area is fractured |2.4.A.3| | 1 |