| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 100 |
| Headlamp aim out of alignment | 76 |
| Service brake: efficiency below requirements |3.7.B.7| | 68 |
| Brakes imbalanced across an axle | 54 |
| Registration plate lamp issues | 46 |
| Horn not working |1.6.2a| | 41 |
| Rear parking brake recording little or no effort | 41 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 35 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 23 |
| Windscreen wiper does not clear the windscreen effectively | 22 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 21 |
| Brake pipe excessively corroded | 21 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 19 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 14 |
| Offside Stop lamp not working |1.2.1b| | 13 |
| Offside Steering rack gaiter split |2.2.D.2d| | 13 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Nearside Headlamp not working on main beam |1.7.5a| | 12 |
| Front brake application uneven | 12 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Offside Headlamp not working on main beam |1.7.5a| | 11 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 11 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 11 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 10 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Registration plate issues | 10 |
| Rear Exhaust system not adequately supported |7.1.1| | 10 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 10 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 9 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 9 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 9 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 9 |
| Direction indicators not working |1.4.A.2c| | 8 |
| Offside Front Direction indicator not working |1.4.A.2c| | 8 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 8 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Brake hose has insufficient room to move | 7 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Nearside Stop lamp not working |1.2.1b| | 7 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 7 |
| Rear brake binding | 7 |
| Rear brake application uneven | 7 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 7 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 6 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 6 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 6 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| All position lamps not working |1.1.A.3b| | 6 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Driver`s seat insecure |6.2.A.1| | 6 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Hazard warning switch faulty |1.4.B.1d| | 6 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 6 |
| Parking brake lever has no reserve travel |3.1.6b| | 6 |
| Nearside Rear Stop lamp not working |1.2.1b| | 6 |
| Offside Rear Stop lamp not working |1.2.1b| | 6 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 6 |
| Brake hose excessively deteriorated | 6 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 5 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 5 |
| Nearside Rear Sub-frame corroded and seriously weakened |2.4.G.1| | 5 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 5 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Offside Rear Sub-frame corroded and seriously weakened |2.4.G.1| | 5 |
| Brake pedal spongy |3.3.B.1b| | 5 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside front brake binding |3.7.B.1| | 5 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 5 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| 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| | 4 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Rear Stop lamp not working |1.2.1b| | 4 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 4 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 4 |
| Indicator tell tale inoperative |1.4.A.2a| | 4 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 4 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Nearside Front Braking system leaking |3.6.A.1| | 4 |
| Headlamp not working on main beam |1.7.5a| | 4 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 4 |
| Nearside Rear Radius arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 4 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 4 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 4 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 4 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 4 |
| Windscreen washer not working | 4 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Fuel system component leaking |7.2.3| | 3 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 3 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Offside Rear Brake clevis joint has restricted free movement |3.5.1k| | 3 |
| Offside Front Brake hose twisted |3.6.B.4c| | 3 |
| Windscreen wiper blade insecure | 3 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 3 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 3 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 3 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Fuel tank leaking |7.2.3| | 3 |
| Nearside Rear front brake recording little or no effort |3.7.B.5a| | 3 |
| Offside Rear front brake recording little or no effort |3.7.B.5a| | 3 |
| Offside Rear Radius arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Front Braking system leaking |3.6.A.1| | 3 |
| Brake performance not tested |3.7.A.1| | 3 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Nearside Front suspension has a suspension lower ball joint securing nut not locked |2.5.B.1a| | 3 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 3 |
| Driver`s seat cannot be secured in the upright position. |6.2.A.2| | 3 |
| Nearside Passenger`s seat insecure |6.2.A.1| | 3 |
| Steering column top mounting bracket insecure |2.1.2d| | 3 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 3 |
| Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt Both front (2.1.3 (g) (ii)) | 3 |
| Offside Front Service brake lagging in operation (1.2.1 (d)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 3 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 3 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Centre Front Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 3 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Exhaust system not adequately supported |7.1.1| | 3 |
| Offside Front Sub-frame attachment bracket/mounting insecure |2.4.G.1| | 3 |
| Nearside Front Sub-frame attachment bracket/mounting insecure |2.4.G.1| | 3 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 3 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 2 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Front Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 2 |
| Nearside Front Sub-frame rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Nearside Inner Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 2 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Exhaust emits clearly visible black smoke during acceleration |7.3.A.2c| | 2 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Nearside Track rod end loose |2.2.B.1d| | 2 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Nearside Front Brake hose leaking |3.6.A.1| | 2 |
| Nearside Front front brake recording little or no effort |3.7.B.5a| | 2 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 2 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 2 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Rear Fluid suspension unit deteriorated and likely to fail |2.4.D.1b| | 2 |
| Offside Front front brake grabbing severely |3.7.A.2b| | 2 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Centre Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Headlamp insecure |1.7.3| | 2 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Offside Rear passenger seat cannot be secured in the upright position. |6.2.3| | 2 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Rear Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Offside Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Nearside Front Seat belt anchorage prescribed area strength or continuity significantly reduced (7.1.1 (a) (i)) | 2 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 2 |
| Offside Obligatory mirror missing |8.1.1| | 2 |
| Offside Front drive shaft coupling flexible rubber or fabric coupling unit breaking up |2.5.C.1d| | 2 |
| Front position lamp|s| not working |1.1.A.3b| | 2 |
| Hazard warning lamps inoperative |1.4.B.1b| | 2 |
| Nearside Front Bonded suspension unit bonding failed and part of unit is likely to become displaced |2.4.F.2| | 2 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Offside Rear rear brake grabbing severely |3.7.A.5b| | 2 |
| Offside Front Sub-frame attachment bracket/mounting corroded and its strength is seriously reduced |2.4.G.1| | 2 |
| Nearside Rear Radius arm attachment bracket/mounting insecure |2.4.G.1| | 2 |
| Front Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 2 |
| Exhaust engine idle speed too high |7.3.A.2a| | 2 |
| Offside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Nearside Front drive shaft coupling flexible rubber or fabric coupling unit breaking up |2.5.C.1d| | 2 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 2 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 2 |
| Rear Sub-frame corroded and seriously weakened |2.4.G.1| | 2 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 2 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Battery insecure |1.9.1| | 2 |
| Offside Rear reflector missing |1.5.1a| | 2 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 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 Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 2 |
| Nearside Stop lamp emits other than a steady red light |1.2.1e| | 2 |
| Offside Stop lamp emits other than a steady red light |1.2.1e| | 2 |
| Headlamp switch faulty |1.7.1| | 2 |
| Offside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| 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| | 2 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 2 |
| Steering column retaining device insecure |2.1.6| | 2 |
| Offside Rear Radius arm has excessive play in a pin/bearing |2.4.G.2| | 2 |
| Offside Front Sub-frame attachment rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Nearside Front Upper Suspension arm ball joint dust cover insecure so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Nearside Front suspension has a suspension upper ball joint securing nut not locked |2.5.B.1a| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front Body insecure and dangerous to other road users |6.1.B.1b| | 2 |
| Offside Rear Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 2 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 2 |