| Most common failures | No# failures |
|---|
| Service brake: efficiency below requirements |3.7.C.1a| | 16 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 12 |
| Headlamp aim out of alignment | 12 |
| Service brake: efficiency below requirements |3.7.B.7| | 9 |
| Parking brake: efficiency below requirements |3.7.B.7| | 5 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Offside Headlamp not working on main beam |1.7.5a| | 5 |
| Nearside Stop lamp not working |1.2.1b| | 5 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Nearside Front front brake recording little or no effort |3.7.B.5a| | 4 |
| Horn not working |1.6.2a| | 4 |
| Offside Front Steering locking device missing |2.2.C.1g| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Registration plate lamp issues | 3 |
| Rear parking brake recording little or no effort | 3 |
| Offside Front front brake recording little or no effort |3.7.B.5a| | 3 |
| Brake performance not tested |3.7.A.1| | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Offside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 2 |
| Brake clevis joint has restricted free movement |3.5.1k| | 2 |
| Rear brake binding | 2 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 2 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 2 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 2 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Offside Headlamp insecure |1.7.3| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Steering wheel retaining device insecure |2.1.6| | 1 |
| Registration plate issues | 1 |
| Front Leaf spring to axle securing bolt insecure |2.4.B.7b| | 1 |
| Front Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Service brake is causing the vehicle to swerve to the offside |3.7.C.2| | 1 |
| Exhaust engine idle speed too high |7.3.A.2a| | 1 |
| Exhaust emits dense blue smoke at idle |7.3.A.2b| | 1 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 1 |
| Offside Steering system lock to lock check stretches a brake hose |2.2.D.2b| | 1 |
| Offside Upper Steering system fouling |2.2.D.2a| | 1 |
| Steering system excessively rough |2.2.D.1| | 1 |
| Nearside Front Sub-frame attachment bracket/mounting nut missing |2.4.G.1| | 1 |
| Offside Front Sub-frame attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Front Brake pipe inadequately supported |3.6.B.1| | 1 |
| Brake master cylinder insecurely mounted |3.6.G.1a| | 1 |
| Mechanical brake component securing device missing |3.5.1i| | 1 |
| Nearside Front Vehicle structure has a modification which adversely affects braking or steering |6.1.A.1| | 1 |
| Offside Front Vehicle structure has a modification which adversely affects braking or steering |6.1.A.1| | 1 |
| Fuel cap/sealing device sealing washer missing |7.2.4c| | 1 |
| Steering system fouling |2.2.D.2a| | 1 |
| Nearside Rear Suspension has inadequate clearance with the chassis |2.4.A.1a| | 1 |
| Nearside Rear Mechanical brake component locking device missing |3.5.1l| | 1 |
| Nearside Brake actuating linkage mounting prescribed area is excessively corroded |3.3.A.2| | 1 |
| Offside Brake actuating linkage mounting prescribed area is excessively corroded |3.3.A.2| | 1 |
| Nearside Parking brake mechanism/associated mounting prescribed area is excessively corroded |3.1.9| | 1 |
| Offside Parking brake mechanism/associated mounting prescribed area is excessively corroded |3.1.9| | 1 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Headlamp missing |1.7.3| | 1 |
| Steering box damaged and unserviceable |2.2.C.1d| | 1 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Offside Front Road wheel spoke excessively loose |4.2.A.1b| | 1 |
| Offside Rear position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Nearside Front Road wheel spoke excessively loose |4.2.A.1b| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Front Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Offside Rear Steering locking device missing |2.2.C.1g| | 1 |
| Nearside Rear Trailing arm attachment bracket/mounting nut missing |2.4.G.1| | 1 |
| Nearside Front Steering component is not secure to the vehicle structure |2.2.B.1a| | 1 |
| Offside Front Steering component is not secure to the vehicle structure |2.2.B.1a| | 1 |
| Nearside Rear Trailing arm locating pin retaining device not properly locked |2.4.G.3b| | 1 |
| Offside Rear Trailing arm locating pin retaining device not properly locked |2.4.G.3b| | 1 |
| Centre Stop lamp not working |1.2.1b| | 1 |
| Service brake juddering severely |3.7.C.2| | 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 |
| Front Fuel system component leaking |7.2.3| | 1 |
| Centre Radius arm attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Front Tie bar/rod which is adjustable, loose in adjustment threads |2.4.G.1| | 1 |
| Nearside Front Torque/reaction arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Offside Front Torque/reaction arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Fuel pipe union leaking |7.2.3| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Rear Parking |secondary brake| on a single line braking system has no recorded effort at a wheel hand brake effort |1.3.1 |a| |ii|| | 1 |
| Rear Brake clevis joint has restricted free movement |3.5.1k| | 1 |
| Brake rod has restricted free movement |3.5.1k| | 1 |
| Nearside rear brake juddering severely |3.7.A.5b| | 1 |
| Lower Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Leaf spring has excessive side play at eye |shackle| |2.4.B.4| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Rear position lamp|s| adversely affected by the operation of another lamp nearside rear indicator light |1.1.A.3f| | 1 |
| Stop lamp not working offside |1.2.1b| | 1 |
| Brake hose excessively deteriorated | 1 |
| Offside Semaphore indicator arm does not extend smoothly |1.4.C.1a| | 1 |
| Offside Semaphore indicator arm does not retract smoothly |1.4.C.1a| | 1 |
| Nearside Semaphore indicator arm does not extend smoothly |1.4.C.1a| | 1 |
| Nearside Semaphore indicator arm arm does not show an amber light to the front |1.4.C.1b| | 1 |
| Nearside 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 |
| Offside Semaphore indicator arm arm does not show an amber light to the rear |1.4.C.1b| | 1 |
| Offside Rear Body or chassis is damaged, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Brakes imbalanced across an axle | 1 |
| Nearside Rear Braking system leaking |3.6.A.1| | 1 |
| Brake hose damaged | 1 |
| Nearside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Nearside Rear Brake cable has restricted free movement |3.5.1k| | 1 |
| Offside Rear Brake cable has restricted free movement |3.5.1k| | 1 |
| Nearside Front front parking brake recording little or no effort |3.7.B.6a| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Centre Front Leaf spring fractured |2.4.B.1a| | 1 |
| Offside Front Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Rear Road wheel spoke missing |4.2.A.1b| | 1 |
| Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside Rear front brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Front Braking system leaking |3.6.A.1| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Front Wheel nut|s| loose |4.2.A.1e| | 1 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Rear Fuel system component leaking |7.2.3| | 1 |
| Brake clevis joint locking device missing |3.5.1l| | 1 |
| Steering wheel locking device insecure |2.1.6| | 1 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Bonnet cannot be secured in the closed position |8.4.1| | 1 |
| Brake pedal anti-slip provision loose |3.3.A.1b| | 1 |
| Fuel system component insecure |7.2.1| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 1 |
| Offside front brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Front Steering column shaft has excessive end float |2.1.3| | 1 |
| Nearside Rear Shock absorber missing |2.7.1b| | 1 |
| Offside Rear Shock absorber missing |2.7.1b| | 1 |
| Nearside Rear position lamp|s| missing |1.1.A.3a| | 1 |
| Battery insecure |1.9.1| | 1 |
| Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Inner Drag link end ball pin shank loose |2.2.B.1c| | 1 |
| Centre Front Brake cable locking device insecure |3.5.1l| | 1 |
| Rear brake application uneven | 1 |
| Rear Service brake application uneven across the axle |3.7.D.2b| | 1 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Offside Front Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 1 |