| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 950 |
| Brake pipe excessively corroded | 932 |
| Headlamp aim out of alignment | 913 |
| Windscreen wiper does not clear the windscreen effectively | 518 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 304 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 287 |
| Parking brake: efficiency below requirements |3.7.B.7| | 256 |
| Registration plate issues | 233 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 182 |
| Rear parking brake recording little or no effort | 161 |
| Rear brake binding | 121 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 117 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 101 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 93 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 93 |
| Brakes imbalanced across an axle | 88 |
| Offside Stop lamp not working |1.2.1b| | 75 |
| Nearside Stop lamp not working |1.2.1b| | 74 |
| Brake hose excessively deteriorated | 68 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 64 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 64 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 60 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 59 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 57 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 54 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 52 |
| Offside Rear fog lamp not working |1.3.2b| | 52 |
| Front brake disc in such a condition that it is seriously weakened | 51 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 50 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 49 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 47 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 46 |
| Parking brake lever has no reserve travel |3.1.6b| | 46 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 46 |
| Service brake: efficiency below requirements |3.7.B.7| | 45 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 42 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 41 |
| Anti-lock braking system warning lamp indicates an ABS fault | 41 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 40 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 40 |
| Windscreen has damage | 39 |
| Steering rack insecure |2.2.B.1a| | 39 |
| Offside Rear Stop lamp not working |1.2.1b| | 38 |
| Nearside Rear Stop lamp not working |1.2.1b| | 37 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 36 |
| Front position lamp|s| not working |1.1.A.3b| | 34 |
| Horn not working |1.6.2a| | 34 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 34 |
| Rear brake application uneven | 33 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 33 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 33 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 31 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 30 |
| Centre Stop lamp not working |1.2.1b| | 29 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 28 |
| Fuel tank leaking |7.2.3| | 27 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 25 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 25 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 25 |
| Nearside Headlamp insecure |1.7.3| | 25 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 24 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 24 |
| Battery insecure |1.9.1| | 24 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 24 |
| Emissions not tested |7.0| | 23 |
| Nearside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 23 |
| Rear Mechanical brake component has restricted free movement | 23 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 23 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 22 |
| Front brake application uneven | 22 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 22 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 22 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 22 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 21 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 21 |
| Offside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 20 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 20 |
| Nearside Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 20 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 20 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 19 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 19 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 19 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 19 |
| Windscreen wiper blade insecure | 18 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 18 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 18 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 18 |
| Offside Headlamp not working on main beam |1.7.5a| | 18 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 17 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 16 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 16 |
| Offside Headlamp insecure |1.7.3| | 16 |
| Nearside Headlamp not working on main beam |1.7.5a| | 16 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 16 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 16 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 15 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 15 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 15 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 15 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 15 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 15 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 15 |
| Indicator switch faulty |1.4.A.1| | 14 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 14 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 14 |
| Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 14 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 14 |
| Centre Rear Stop lamp not working |1.2.1b| | 14 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 13 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 13 |
| Offside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 12 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 12 |
| Nearside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 12 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 12 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 12 |
| Offside Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 12 |
| Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 12 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 12 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 12 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 12 |
| Offside Front brake disc excessively pitted |3.5.1h| | 12 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 11 |
| Rear Stop lamp not working |1.2.1b| | 11 |
| Nearside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 11 |
| Nearside Side repeater not working |1.4.A.2c| | 11 |
| Offside Rear Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 11 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 11 |
| Bonnet cannot be secured in the closed position |8.4.1| | 11 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 11 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 11 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 11 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 11 |
| Rear fog lamp not working |1.3.2b| | 11 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 11 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 11 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 11 |