| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 412 |
| Windscreen wiper does not clear the windscreen effectively | 347 |
| Brake pipe excessively corroded | 342 |
| Headlamp aim out of alignment | 322 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 289 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 169 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 166 |
| Nearside Stop lamp not working |1.2.1b| | 148 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 143 |
| Offside Stop lamp not working |1.2.1b| | 129 |
| Brakes imbalanced across an axle | 123 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 113 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 109 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 103 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 92 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 90 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 88 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 87 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 87 |
| Registration plate issues | 86 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 83 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 80 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 61 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 59 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 55 |
| Emissions not tested |7.0| | 54 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 52 |
| Offside Rear Stop lamp not working |1.2.1b| | 50 |
| Service brake: efficiency below requirements |3.7.B.7| | 48 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 47 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 47 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 47 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 45 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 45 |
| Offside Rear fog lamp not working |1.3.2b| | 44 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 43 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 43 |
| Nearside Rear Stop lamp not working |1.2.1b| | 41 |
| Front brake application uneven | 37 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 37 |
| Rear brake binding | 36 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 32 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 32 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 30 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 30 |
| Rear brake application uneven | 29 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 29 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 29 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 27 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 27 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 26 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 26 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 25 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 24 |
| Parking brake: efficiency below requirements |3.7.B.7| | 24 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 23 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 23 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 23 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 23 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 22 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 21 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 20 |
| Offside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 20 |
| Nearside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 19 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 19 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 18 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 18 |
| Front brake disc in such a condition that it is seriously weakened | 18 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 18 |
| Nearside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 18 |
| Direction indicators incorrect colour |1.4.A.2f| | 18 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 17 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 17 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 17 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 17 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 17 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 17 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 16 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 16 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 16 |
| Centre Stop lamp insecure |1.2.1a| | 16 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 15 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 15 |
| Parking brake lever has no reserve travel |3.1.6b| | 14 |
| Offside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 14 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 14 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 14 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 13 |
| Offside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 13 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 13 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 13 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 13 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 13 |
| 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| | 12 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 12 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 12 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 12 |
| Windscreen has damage | 12 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 12 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 12 |
| Offside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 11 |
| Rear parking brake recording little or no effort | 11 |
| Nearside Headlamp not working on main beam |1.7.5a| | 11 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 11 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 11 |
| Nearside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 11 |
| Offside Obligatory mirror insecure |8.1.1| | 10 |
| Offside Headlamp not working on main beam |1.7.5a| | 10 |
| Offside front brake binding |3.7.B.1| | 10 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 9 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 9 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 9 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 8 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 8 |
| Power steering component|s| leaking |2.3.3b| | 8 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 8 |
| Battery insecure |1.9.1| | 8 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 8 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 8 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 8 |