| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 569 |
| Registration plate lamp issues | 426 |
| Windscreen wiper does not clear the windscreen effectively | 366 |
| Brake pipe excessively corroded | 355 |
| Horn not working |1.6.2a| | 234 |
| Brakes imbalanced across an axle | 199 |
| Service brake: efficiency below requirements |3.7.B.7| | 162 |
| Brake hose excessively deteriorated | 115 |
| Offside Rear fog lamp not working |1.3.2b| | 106 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 88 |
| Rear brake binding | 87 |
| Registration plate issues | 84 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 79 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 75 |
| Brake load sensing valve linkage seized |3.6.E.3| | 74 |
| Offside Stop lamp not working |1.2.1b| | 71 |
| Nearside Stop lamp not working |1.2.1b| | 70 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 65 |
| Parking brake: efficiency below requirements |3.7.B.7| | 65 |
| Rear fog lamp not working |1.3.2b| | 60 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 54 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 54 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 53 |
| Nearside Headlamp insecure |1.7.3| | 46 |
| Offside Headlamp insecure |1.7.3| | 45 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 45 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 41 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 40 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 40 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 39 |
| Rear brake application uneven | 39 |
| Offside Steering rack gaiter split |2.2.D.2d| | 38 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 36 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 35 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 35 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 35 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 35 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 34 |
| Brake load sensing valve seized |3.6.E.3| | 32 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 32 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 32 |
| Windscreen has damage | 31 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 30 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 30 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 30 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 29 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 29 |
| Fuel system component leaking |7.2.3| | 29 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 29 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 29 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 29 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 29 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 29 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 28 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 27 |
| Rear parking brake recording little or no effort | 27 |
| Exhaust system not adequately supported |7.1.1| | 27 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 26 |
| Horn not working (7.7 (a) (ii)) | 26 |
| Battery insecure |1.9.1| | 25 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 25 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 25 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 25 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 24 |
| Rear fog lamp tell tale not working |1.3.1b| | 24 |
| Horn not working |7.7 |a| |ii|| | 24 |
| Front brake disc in such a condition that it is seriously weakened | 24 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 24 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 24 |
| Windscreen washer not working | 24 |
| Offside Rear coil spring fractured |2.4.C.1a| | 23 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 23 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 22 |
| Horn not working (7.7 (a)) | 22 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 22 |
| Centre Exhaust system not adequately supported |7.1.1| | 22 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 22 |
| Emissions not tested |7.0| | 22 |
| Offside Rear Stop lamp not working |1.2.1b| | 22 |
| Offside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 21 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 21 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 21 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 21 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 20 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 20 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 20 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 20 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 19 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 19 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 19 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 18 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 18 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 18 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 18 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 17 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 16 |
| Rear Brake load sensing valve seized |3.6.E.3| | 16 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 16 |
| Offside front brake binding |3.7.B.1| | 16 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 16 |
| Front brake application uneven | 16 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 16 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 15 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 15 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 15 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 15 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 15 |
| Power steering malfunctioning |2.3.3a| | 15 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 15 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 14 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 14 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 14 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 14 |
| Nearside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Bonnet cannot be secured in the closed position |8.4.1| | 14 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 14 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 14 |
| Rear Exhaust system not adequately supported |7.1.1| | 14 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 13 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 13 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Nearside Rear Stop lamp not working |1.2.1b| | 13 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 13 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 13 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 13 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 13 |
| Windscreen wiper blade insecure | 13 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Rear Rear fog lamp not working |1.3.2b| | 12 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 12 |
| Nearside Rear reflector missing |1.5.1a| | 12 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 12 |
| rear brake recording little or no effort |3.7.B.5a| | 11 |
| Rear Mechanical brake component has restricted free movement | 11 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 11 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 11 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 11 |
| Offside Headlamp not working on main beam |1.7.5a| | 11 |
| Offside Front Headlamp insecure |1.7.3| | 10 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 10 |
| Power steering pump drive system defective |2.3.6| | 10 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 10 |
| Brake pedal spongy |3.3.B.1b| | 10 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 10 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 10 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 10 |
| Steering system excessively rough |2.2.D.1| | 10 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 10 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 10 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 10 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 10 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Nearside Front Headlamp insecure |1.7.3| | 9 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 9 |
| Nearside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 9 |
| Hazard warning switch faulty |1.4.B.1d| | 9 |
| Brake load sensing valve seized and ABS not fitted or inoperative (1.1.17 (c) (ii)) | 9 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 9 |
| Fuel system component leaking (6.1.3 (b) (i)) | 9 |
| Offside Rear fog lamp missing |1.3.2a| | 9 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 9 |
| Offside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 9 |
| Offside Rear coil spring broken |2.4.C.1a| | 9 |
| Fuel pipe leaking |7.2.3| | 9 |