| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 9317 |
| Windscreen wiper does not clear the windscreen effectively | 3870 |
| Registration plate lamp issues | 3594 |
| Headlamp aim out of alignment | 2918 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1980 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1789 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1265 |
| Offside Stop lamp not working |1.2.1b| | 1240 |
| Nearside Stop lamp not working |1.2.1b| | 1220 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1170 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1159 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1113 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1062 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1035 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1022 |
| Rear parking brake recording little or no effort | 956 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 854 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 810 |
| Registration plate issues | 706 |
| Battery insecure |1.9.1| | 622 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 575 |
| Brakes imbalanced across an axle | 574 |
| Rear brake binding | 548 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 524 |
| Parking brake lever has no reserve travel |3.1.6b| | 497 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 485 |
| Offside Rear Stop lamp not working |1.2.1b| | 474 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 471 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 433 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 428 |
| Nearside Rear Stop lamp not working |1.2.1b| | 417 |
| Rear Exhaust system not adequately supported |7.1.1| | 404 |
| Centre Stop lamp not working |1.2.1b| | 388 |
| Service brake: efficiency below requirements |3.7.B.7| | 363 |
| Front brake disc in such a condition that it is seriously weakened | 354 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 352 |
| Service brake: efficiency below requirements |3.7.C.1a| | 326 |
| Horn not working |1.6.2a| | 317 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 298 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 284 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 251 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 237 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 237 |
| Brake hose excessively deteriorated | 228 |
| Windscreen has damage | 221 |
| Emissions not tested |7.0| | 200 |
| Offside front brake binding |3.7.B.1| | 188 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 184 |
| Windscreen wiper blade insecure | 179 |
| Offside Rear fog lamp not working |1.3.2b| | 176 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 173 |
| Nearside Side repeater not working |1.4.A.2c| | 167 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 166 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 164 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 161 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 159 |
| Exhaust system not adequately supported |7.1.1| | 154 |
| Stop lamp not working |1.2.1b| | 154 |
| Fuel system component leaking |7.2.3| | 153 |
| Rear Mechanical brake component has restricted free movement | 142 |
| Brake performance not tested |3.7.A.1| | 141 |
| Offside Front front brake binding |3.7.B.1| | 135 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 133 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 132 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 128 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 127 |
| Offside Side repeater not working |1.4.A.2c| | 124 |
| Mechanical brake component has restricted free movement | 123 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 120 |
| Nearside front brake binding |3.7.B.1| | 118 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 110 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 109 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 105 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 105 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 105 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 104 |
| Nearside Rear Braking system leaking |3.6.A.1| | 102 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 101 |
| Offside Headlamp not working on main beam |1.7.5a| | 100 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 100 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 100 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 100 |
| 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| | 99 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 98 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 98 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 94 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 91 |
| Centre Rear Stop lamp not working |1.2.1b| | 91 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 90 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 88 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 88 |
| 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| | 86 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 84 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 83 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 83 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 82 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 82 |
| Front brake application uneven | 80 |
| Offside Rear Braking system leaking |3.6.A.1| | 80 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 80 |
| Nearside Front front brake binding |3.7.B.1| | 80 |
| Rear brake application uneven | 79 |
| 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| | 79 |
| Power steering fluid level below minimum |2.3.1| | 78 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 77 |