| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 9 |
| Headlamp aim out of alignment | 8 |
| Registration plate lamp issues | 5 |
| Brakes imbalanced across an axle | 4 |
| Parking brake: efficiency below requirements |3.7.B.7| | 4 |
| Horn not working |1.6.2a| | 3 |
| Rear parking brake recording little or no effort | 3 |
| Windscreen wiper blade insecure | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front front brake recording little or no effort |3.7.B.5a| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Service brake: efficiency below requirements |3.7.C.1a| | 2 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Front brake application uneven | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Nearside Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Offside Front Fuel system component insecure |7.2.1| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Front Braking system leaking |3.6.A.1| | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 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 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside front brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Semaphore indicator tell tale not working correctly |1.4.C.2| | 1 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Exhaust engine idle speed too high |7.3.A.2a| | 1 |
| Exhaust emits dense blue smoke at idle |7.3.A.2b| | 1 |
| Nearside Inner Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Inner Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.6.G.1f| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Front Drag link end ball pin shank loose |2.2.B.1c| | 1 |
| Nearside Front Pre 1950 headlamp aimed so that it dazzles other road users |1.6.A1| | 1 |
| Offside Front Pre 1950 headlamp aimed so that it dazzles other road users |1.6.A1| | 1 |
| Offside Rear Leaf spring anchor bracket corroded and seriously weakened |2.4.B.6d| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Rear Suspension component mounting prescribed area is severely distorted |2.4.A.3| | 1 |
| Offside front brake binding |3.7.B.1| | 1 |
| Nearside Drag link end loose |2.2.B.1d| | 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 Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Steering locking device missing relay arm cotter pin (2.1.3 (d)) | 1 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Offside Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 1 |