| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 677 |
| Headlamp aim out of alignment | 446 |
| Parking brake: efficiency below requirements |3.7.B.7| | 315 |
| Rear parking brake recording little or no effort | 307 |
| Registration plate lamp issues | 270 |
| Windscreen wiper does not clear the windscreen effectively | 226 |
| Parking brake lever has no reserve travel |3.1.6b| | 181 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 122 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 112 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 110 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 95 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 86 |
| Nearside Stop lamp not working |1.2.1b| | 82 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 79 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 75 |
| Offside Stop lamp not working |1.2.1b| | 74 |
| Brakes imbalanced across an axle | 74 |
| Front brake disc in such a condition that it is seriously weakened | 59 |
| Registration plate issues | 54 |
| Centre Stop lamp not working |1.2.1b| | 45 |
| Offside Rear fog lamp not working |1.3.2b| | 44 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 42 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 41 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 40 |
| Emissions not tested |7.0| | 39 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 38 |
| Rear brake binding | 37 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 36 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 36 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 35 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 34 |
| Service brake: efficiency below requirements |3.7.B.7| | 34 |
| Rear brake disc in such a condition that it is seriously weakened | 32 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 31 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 30 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 28 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 27 |
| Fuel system component leaking |7.2.3| | 27 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 25 |
| Nearside Rear Stop lamp not working |1.2.1b| | 23 |
| Front brake application uneven | 23 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 23 |
| Brake pedal spongy |3.3.B.1b| | 22 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 21 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 21 |
| Offside Rear Stop lamp not working |1.2.1b| | 20 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 19 |
| Rear Exhaust system not adequately supported |7.1.1| | 19 |
| Stop lamp not working |1.2.1b| | 19 |
| Rear fog lamp not working |1.3.2b| | 18 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 18 |
| Service brake: efficiency below requirements |3.7.C.1a| | 17 |
| Fuel tank leaking |7.2.3| | 16 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.4.B.1| | 16 |
| Offside Front brake disc excessively pitted |3.5.1h| | 16 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 15 |
| Battery insecure |1.9.1| | 15 |
| Anti-lock braking system warning lamp indicates an ABS fault | 15 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 15 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 13 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 13 |
| Rear fog lamp switch faulty |1.3.1a| | 13 |
| Brake performance not tested |3.7.A.1| | 12 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 12 |
| Rear fog lamp tell tale not working |1.3.1b| | 12 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 11 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 11 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 11 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 11 |
| Windscreen has damage | 11 |
| Fuel pipe leaking |7.2.3| | 11 |
| Offside Steering rack gaiter split |2.2.D.2d| | 10 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 10 |
| Brake hose excessively deteriorated | 10 |
| Offside Headlamp not working on main beam |1.7.5a| | 10 |
| Rear Stop lamp not working |1.2.1b| | 10 |
| rear parking |secondary| brakes imbalanced | 10 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Exhaust system not adequately supported |7.1.1| | 9 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 9 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 9 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 9 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 9 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Power steering component|s| leaking |2.3.3b| | 9 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 8 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 8 |
| Nearside front brake binding |3.7.B.1| | 8 |
| Rear Parking brake lever has no reserve travel |3.1.6b| | 8 |
| Centre Exhaust system not adequately supported |7.1.1| | 8 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Offside front brake binding |3.7.B.1| | 8 |
| Rear brake application uneven | 8 |
| Centre Rear Stop lamp not working |1.2.1b| | 8 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 8 |
| Nearside Front front brake binding |3.7.B.1| | 8 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 8 |
| Power steering inoperative |2.3.3a| | 8 |
| Brake hose damaged | 8 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 7 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 7 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 7 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 7 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 7 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 7 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 7 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 7 |
| Offside Rear brake disc contaminated by oil |3.5.1h| | 7 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 7 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 7 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 7 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 7 |
| Windscreen wiper blade insecure | 6 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 6 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 6 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 6 |
| Rear Rear fog lamp not working |1.3.2b| | 6 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 6 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Spare wheel insecure |6.4.2| | 6 |
| Rear Exhaust has a part missing |7.1.1a| | 6 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 6 |
| Offside Rear Brake pipe inadequately clipped |3.6.B.1| | 6 |