| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 176 |
| Parking brake: efficiency below requirements |3.7.B.7| | 77 |
| Windscreen wiper does not clear the windscreen effectively | 59 |
| Offside Rear fog lamp not working |1.3.2b| | 53 |
| Brake pipe excessively corroded | 48 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 47 |
| Rear fog lamp not working |1.3.2b| | 42 |
| Brakes imbalanced across an axle | 38 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 33 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 31 |
| Rear fog lamp tell tale not working |1.3.1b| | 30 |
| Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 28 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 28 |
| Indicator tell tale inoperative |1.4.A.2a| | 27 |
| Parking brake lever has no reserve travel |3.1.6b| | 27 |
| Nearside Stop lamp not working |1.2.1b| | 26 |
| Offside Stop lamp not working |1.2.1b| | 25 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 25 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 25 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 25 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 23 |
| Horn not working |1.6.2a| | 21 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 21 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 20 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 19 |
| Registration plate issues | 19 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 19 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 19 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 18 |
| Rear Rear fog lamp not working |1.3.2b| | 17 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 17 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 17 |
| Nearside front parking brake recording little or no effort |3.7.B.6a| | 16 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 16 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 15 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 14 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 13 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 13 |
| Rear brake application uneven | 13 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 13 |
| Driver`s seat insecure |6.2.A.1| | 13 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 13 |
| Windscreen washer not working | 13 |
| Registration plate lamp issues | 13 |
| Service brake: efficiency below requirements |3.7.B.7| | 12 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 12 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 12 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 12 |
| Offside Headlamp not working on main beam |1.7.5a| | 12 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 11 |
| Nearside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 11 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 11 |
| Nearside Headlamp not working on main beam |1.7.5a| | 11 |
| Offside Rear fog lamp missing |1.3.2a| | 10 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Offside Rear Stop lamp not working |1.2.1b| | 10 |
| Offside Front Direction indicator not working |1.4.A.2c| | 10 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 10 |
| Offside front parking brake recording little or no effort |3.7.B.6a| | 9 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Offside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 9 |
| Offside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 9 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 9 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 8 |
| Nearside Rear Stop lamp not working |1.2.1b| | 8 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 8 |
| Emissions not tested |7.0| | 8 |
| Rear parking brake recording little or no effort | 8 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 8 |
| Exhaust system not adequately supported |7.1.1| | 7 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 7 |
| Rear brake binding | 7 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 7 |
| Offside Front Steering pivot point has excessive play |2.2.B.1g| | 7 |
| Nearside Headlamp insecure |1.7.3| | 7 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 7 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 7 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 7 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 6 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Bonnet cannot be secured in the closed position |8.4.1| | 6 |
| Stop lamp not working |1.2.1b| | 6 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 6 |
| Nearside Front Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Nearside Front Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 6 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 6 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 6 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 5 |
| Offside Rear Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Nearside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 5 |
| Battery insecure |1.9.1| | 5 |
| Rear Exhaust system not adequately supported |7.1.1| | 5 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 5 |
| Nearside Steering pivot point has excessive play |2.2.B.1g| | 5 |
| Offside Steering pivot point has excessive play |2.2.B.1g| | 5 |
| Hazard warning lamps inoperative |1.4.B.1b| | 5 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 5 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 5 |
| Main beam `tell-tale` not working |1.7.4c| | 5 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 5 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 5 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 5 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 4 |
| Rear fog lamp switch missing |1.3.1a| | 4 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 4 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 4 |
| Rear Rear fog lamp missing |1.3.2a| | 4 |
| Nearside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 4 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 4 |
| Braking system leaking |3.6.A.1| | 4 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 4 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 4 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Nearside Side repeater not working |1.4.A.2c| | 4 |
| Nearside Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Rear fog lamp insecure |1.3.2a| | 4 |
| Windscreen has damage | 4 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Nearside Indicator tell tale inoperative |1.4.A.2a| | 4 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 4 |
| Nearside Front Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 4 |
| Offside Front Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 4 |
| Offside Headlamp insecure |1.7.3| | 4 |
| Nearside Rear Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Offside Rear Statutory seat belt missing |5.1.1| | 4 |
| Offside Track rod end ball joint dust cover missing |2.2.C.1c| | 4 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Brake hydraulic reservoir leaking hydraulic fluid |3.6.A.1| | 4 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 4 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 4 |
| Rear fog lamp missing |1.3.2a| | 4 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Rear fog lamp insecure |1.3.2a| | 4 |
| Windscreen wiper blade deteriorated |8.2.2| | 4 |
| Brake master cylinder leaking hydraulic fluid |3.6.G.1f| | 3 |
| Fuel pipe leaking |7.2.3| | 3 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 3 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 3 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 3 |
| Nearside Front Axle king pin is loose in the axle beam (5.1.2 (d) (i)) | 3 |
| Offside Front Axle king pin is loose in the axle beam (5.1.2 (d) (i)) | 3 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 3 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Front Braking system leaking |3.6.A.1| | 3 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 3 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 3 |
| Rear Rear fog lamp tell tale not working |1.3.1b| | 3 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Front passenger seat insecure |6.2.3| | 3 |
| Offside Front brake disc contaminated by oil |3.5.1h| | 3 |
| Offside Rear Braking system leaking |3.6.A.1| | 3 |
| Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| Indicator switch insecure |1.4.A.1| | 3 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 3 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |
| Offside Front Axle king pin so loose it is likely to affect directional stability |5.1.2 |d| |ii|| | 3 |
| Offside front brake binding |3.7.B.1| | 3 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 3 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Front Exhaust system not adequately supported |7.1.1| | 3 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Windscreen wiper blade insecure | 3 |
| All position lamps not working |1.1.A.3b| | 3 |
| Nearside Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 3 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Front Seat belt anchorage prescribed area is fractured |5.2.6| | 3 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Fuel cap/sealing device sealing washer torn |7.2.4c| | 3 |
| Offside 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 Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 3 |
| Offside Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Brake pipe inadequately clipped |3.6.B.1| | 3 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 3 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Steering column shaft has excessive end float |2.1.3| | 3 |