| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 21 |
| Parking brake: efficiency below requirements |3.7.B.7| | 12 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 10 |
| Offside Stop lamp not working |1.2.1b| | 10 |
| Registration plate lamp issues | 10 |
| Rear parking brake recording little or no effort | 9 |
| Parking brake lever has no reserve travel |3.1.6b| | 9 |
| Nearside Stop lamp not working |1.2.1b| | 8 |
| Service brake: efficiency below requirements |3.7.B.7| | 7 |
| Brakes imbalanced across an axle | 7 |
| Windscreen wiper does not clear the windscreen effectively | 6 |
| Rear Stop lamp not working |1.2.1b| | 5 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 5 |
| Offside Front Direction indicators not working |1.4.A.2c| | 4 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 4 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 4 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Registration plate issues | 4 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Front brake application uneven | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Steering column universal joint insecure |2.1.5| | 3 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 3 |
| Brake hose has insufficient room to move | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Nearside Rear Shock absorber insecure |2.7.2b| | 2 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 2 |
| Offside Rear Shock absorber insecure |2.7.2b| | 2 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Rear brake application uneven | 2 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 2 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Offside Track rod end loose |2.2.B.1d| | 2 |
| Headlamp not working on main beam |1.7.5a| | 2 |
| Service brake is causing the vehicle to swerve to the offside |3.7.C.2| | 2 |
| Service brake is causing the steering wheel to severely pull one way |3.7.C.2| | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Upper Steering column universal joint has excessive play |2.1.5| | 2 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 2 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 2 |
| Offside Semaphore indicator arm arm does not show an amber light to the front |1.4.C.1b| | 2 |
| Offside Semaphore indicator arm arm does not show an amber light to the rear |1.4.C.1b| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Horn not working |1.6.2a| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear brake binding | 2 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Centre Exhaust system not adequately supported |7.1.1| | 2 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 1 |
| Nearside Inner Front Lower Vehicle structure has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Inner Front Lower Vehicle structure has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Inner Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Upper Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Offside Rear Shock absorber missing |2.7.1b| | 1 |
| Nearside Front Steering locking device missing |2.2.C.1g| | 1 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Horn is a siren |1.6.2c| | 1 |
| Rear reflector missing |1.5.1a| | 1 |
| Mechanical brake component securing device loose |3.5.1i| | 1 |
| Brake lever has inadequate reserve travel |9.3.1f| | 1 |
| Offside Front Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Rear brake caliper securing device missing |3.5.1j| | 1 |
| Nearside Rear brake caliper securing device loose |3.5.1j| | 1 |
| Offside Rear brake caliper securing device loose |3.5.1j| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Upper Steering column universal joint insecure |2.1.5| | 1 |
| Steering column shaft has excessive end float |2.1.3| | 1 |
| Nearside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 1 |
| Steering column flexible coupling is excessively deteriorated |2.1.5| | 1 |
| Offside Steering rack gaiter split |2.2.D.2d| | 1 |
| Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 1 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside 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 Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 1 |
| Offside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Nearside Track rod end loose |2.2.B.1d| | 1 |
| Nearside Rear Brake clevis joint locking device insecure |3.5.1l| | 1 |
| Offside Rear Brake clevis joint locking device insecure |3.5.1l| | 1 |
| Nearside Front Fuel hose leaking |7.2.3| | 1 |
| Nearside Front Vehicle structure is damaged, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| All direction indicators not working flashing too slowly |4.4.1 |a| |ii|| | 1 |
| Offside Front Upper Suspension arm attachment bracket/mounting insecure excess play in mounting bolt |5.3.3 |a| |i|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Steering rack deformed and unserviceable |2.2.C.1d| | 1 |
| Offside Rear Suspension arm insecure |2.4.G.1| | 1 |
| Nearside Front Seat belt insecurely fixed to the seat |5.2.1a| | 1 |
| Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Centre Vehicle structure has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Inner Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Windscreen washer not working | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Driver`s seat insecure |6.2.A.1| | 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 |
| Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Headlamp insecure |1.7.3| | 1 |
| Offside Front Fuel system component leaking |7.2.3| | 1 |
| Offside Front Suspension arm attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Steering wheel has movement relative to the column indicating looseness (2.2.1 (a) (i)) | 1 |
| Steering rack gaiter missing or no longer prevents the ingress of dirt Both insecure to rack housing (2.1.3 (g) (ii)) | 1 |
| Nearside Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Offside Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Nearside Rear Drive shaft uj which forms part of the suspension has excessive play in a universal joint |2.4.G.4b| | 1 |
| Nearside Front Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Offside Front Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Steering box insecure |2.2.B.1a| | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Windscreen wiper blade insecure | 1 |
| Nearside Front Upper Suspension arm locating pin retaining device missing |2.4.G.3b| | 1 |
| Nearside Front Suspension has inadequate clearance with the bump stop |2.4.A.1a| | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Brake linkage locking device insecure |3.5.1l| | 1 |
| Brake linkage locking device missing |3.5.1l| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Brake hose twisted |3.6.B.4c| | 1 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 1 |
| Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Rear Valve stem seriously damaged |4.1.D.1e| | 1 |
| Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Front Shock absorber has an excessively worn linkage |2.7.4| | 1 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Service brake grabbing severely |3.7.C.2| | 1 |
| Rear Brake linkage has restricted free movement |3.5.1k| | 1 |
| Front Brake pipe fouled by moving parts |3.6.B.2a| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Rear brake disc contaminated by grease |3.5.1h| | 1 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Fuel system component leaking fuel pump (6.1.3 (b) (i)) | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 1 |
| Offside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 1 |
| Indicator tell tale missing |1.4.A.2a| | 1 |
| Lower Steering column universal joint has excessive play |2.1.5| | 1 |
| Steering system fouling |2.2.D.2a| | 1 |
| Nearside Front Mechanical brake component locking device missing |3.5.1l| | 1 |
| Offside Front Mechanical brake component securing device missing |3.5.1i| | 1 |
| Nearside Rear Mechanical brake component securing device missing |3.5.1i| | 1 |
| Offside Rear Mechanical brake component securing device missing |3.5.1i| | 1 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Windscreen washer control missing |8.2.1a| | 1 |
| Nearside Front Vehicle structure has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings a post |6.1.B.2| | 1 |
| Offside Front Vehicle structure has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings a post |6.1.B.2| | 1 |
| Nearside Rear Vehicle structure is damaged, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Vehicle structure has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Front Track rod end ball joint has excessive play both |2.2.B.1f| | 1 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 1 |
| Rear Stop lamp(s) light intensity significantly reduced Stop lights are side lights (4.3.3 (a) (ii)) | 1 |
| Nearside Track rod end ball joint dust cover missing |2.2.C.1c| | 1 |
| Track rod end loose |2.2.B.1d| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Front Steering rack insecure |2.2.B.1a| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Offside Front Driver`s seat cannot be secured in the upright position. |6.2.A.2| | 1 |
| Offside Rear Leaf spring to axle securing nut insecure |2.4.B.7b| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Nearside Front Track rod end loose |2.2.B.1d| | 1 |
| Offside Front Brake pipe fouled by moving parts |3.6.B.2a| | 1 |
| Offside Front Steering wheel retaining device insecure |2.1.6| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Rear Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.D.4| | 1 |
| Front Fuel system component leaking |7.2.3| | 1 |
| Rear Brake pipe leaking |3.6.A.1| | 1 |