| Most common failures | No# failures |
|---|
| Service brake: efficiency below requirements |3.7.C.1a| | 11 |
| Service brake: efficiency below requirements |3.7.B.7| | 11 |
| Nearside Stop lamp not working |1.2.1b| | 9 |
| Offside Stop lamp not working |1.2.1b| | 9 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 9 |
| Registration plate lamp issues | 9 |
| Headlamp aim out of alignment | 7 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 7 |
| Parking brake: efficiency below requirements |3.7.B.7| | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 6 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Front brake application uneven | 5 |
| Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 5 |
| Fuel cap/sealing device sealing washer missing |7.2.4c| | 4 |
| Rear brake application uneven | 4 |
| Brakes imbalanced across an axle | 4 |
| Horn not working |1.6.2a| | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Direction indicators not working |1.4.A.2c| | 3 |
| Stop lamp not working |1.2.1b| | 3 |
| Rear Stop lamp not working |1.2.1b| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Headlamp not working on main beam |1.7.5a| | 3 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Offside Steering pivot point has excessive play |2.2.B.1g| | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Rear parking brake recording little or no effort | 3 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 3 |
| Nearside Rear reflector missing |1.5.1a| | 2 |
| Offside Rear reflector missing |1.5.1a| | 2 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 2 |
| Registration plate issues | 2 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside front brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Semaphore indicator arm arm does not show an amber light to the front |1.4.C.1b| | 2 |
| Nearside Semaphore indicator arm arm does not show an amber light to the rear |1.4.C.1b| | 2 |
| Drag link end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Fuel system component leaking |7.2.3| | 2 |
| Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 2 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Front Fuel system component leaking |7.2.3| | 2 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Parking brake efficiency below requirements |3.7.B.7| | 1 |
| Centre Brake lever has abnormal movement of levers indicating excessive wear |3.5.1f| | 1 |
| Offside Brake rod locking device missing |3.5.1l| | 1 |
| Nearside Rear Leaf spring anchor pin retaining device insecurely fitted |2.4.B.3b| | 1 |
| Offside Rear Leaf spring anchor pin retaining device insecurely fitted |2.4.B.3b| | 1 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear Trailing arm locating pin locking device missing |2.4.G.3b| | 1 |
| Offside Rear Trailing arm locating pin locking device missing |2.4.G.3b| | 1 |
| Offside Front Semaphore indicator arm arm does not show an amber light to the front |1.4.C.1b| | 1 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Offside Front Drag link end loose |2.2.B.1d| | 1 |
| Offside Rear Brake stationary pin locking device missing |3.5.1l| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Rear Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Offside Rear position lamp|s| incomplete |1.1.4a| | 1 |
| Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Road wheel spoke cracked |4.2.A.1b| | 1 |
| Nearside Rear Road wheel spoke cracked |4.2.A.1b| | 1 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Drag link end ball pin shank loose |2.2.B.1c| | 1 |
| Brake linkage has abnormal movement of levers indicating maladjustment |3.5.1f| | 1 |
| Offside Drag link end loose |2.2.B.1d| | 1 |
| Brake linkage locking device insecure |3.5.1l| | 1 |
| Nearside Semaphore indicator arm does not extend smoothly |1.4.C.1a| | 1 |
| Offside Semaphore indicator arm does not extend smoothly |1.4.C.1a| | 1 |
| Offside Steering system fouling |2.2.D.2a| | 1 |
| Offside Front Suspension arm attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear reflector excessively deteriorated so that its function is impaired |1.5.1c| | 1 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Axle king pin is loose in the axle beam |2.5.A.3a| | 1 |
| Nearside Front Brake stationary pin excessively damaged and seriously weakened |3.5.1e| | 1 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front front parking brake recording little or no effort |3.7.B.6a| | 1 |
| Offside Front front parking brake recording little or no effort |3.7.B.6a| | 1 |
| Offside Semaphore indicator arm arm does not show an amber light to the rear |1.4.C.1b| | 1 |
| Offside Semaphore indicator arm arm does not show an amber light to the front |1.4.C.1b| | 1 |
| Steering box insecure |2.2.B.1a| | 1 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| Nearside Rear Valve stem seriously misaligned |4.1.D.1e| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Semaphore indicator arm does not extend smoothly |1.4.C.1a| | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Offside front parking brake recording little or no effort |3.7.B.6a| | 1 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams |1.7.4b| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Front Radius arm attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Offside Front Radius arm attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Offside Front Steering component mounting prescribed area has a deliberate modification which significantly reduces the original strength |2.2.C.1h| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Rear position lamp|s| missing |1.1.A.3a| | 1 |
| Nearside Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Rear brake binding | 1 |
| Steering column top mounting bracket insecure |2.1.2d| | 1 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front suspension locking device ineffective |2.5.A.4| | 1 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Semaphore indicator arm does not retract smoothly |1.4.C.1a| | 1 |
| Offside Semaphore indicator arm does not retract smoothly |1.4.C.1a| | 1 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Centre Front Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear Trailing arm corroded and seriously weakened |2.4.G.1| | 1 |
| Nearside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 1 |
| Offside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 1 |
| Nearside Front Semaphore indicator arm does not retract smoothly |1.4.C.1a| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Front Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Rear Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Leaf spring has excessive side play at eye |anchor| |2.4.B.4| | 1 |
| Offside Front Leaf spring has excessive side play at eye |shackle| |2.4.B.4| | 1 |
| Nearside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Front Road wheel spoke excessively loose |4.2.A.1b| | 1 |
| Offside Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear Radius arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 1 |
| Nearside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 1 |
| Nearside Rear Brake linkage locking device insecure |3.5.1l| | 1 |
| Offside Rear Brake linkage locking device missing |3.5.1l| | 1 |
| Front Brake linkage locking device missing |3.5.1l| | 1 |
| Steering locking device insecure |2.2.C.1g| | 1 |
| Nearside Front suspension locking device missing |2.5.A.4| | 1 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Brake stationary pin locking device insecure |3.5.1l| | 1 |
| Offside Windscreen wiper blade missing |8.2.2| | 1 |
| Brake pedal functionally incomplete |3.3.A.1a| | 1 |
| Nearside Front Tie bar/rod cracked |2.4.G.1| | 1 |
| Front Leaf spring to axle securing bolt insecure |2.4.B.7b| | 1 |
| Nearside Brake cable insecure |3.5.1d| | 1 |
| Front Lower Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Nearside Front front brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Rear front parking brake recording little or no effort |3.7.B.6a| | 1 |
| Offside Rear front parking brake recording little or no effort |3.7.B.6a| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |
| Front Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Windscreen wiper does not clear the windscreen effectively | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |