| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 2680 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 2020 |
| Registration plate lamp issues | 1820 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1519 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1219 |
| Windscreen wiper does not clear the windscreen effectively | 1150 |
| Registration plate issues | 828 |
| Brake pipe excessively corroded | 819 |
| Offside Rear fog lamp not working |1.3.2b| | 776 |
| Horn not working |1.6.2a| | 480 |
| Offside Steering rack gaiter split |2.2.D.2d| | 448 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 437 |
| Rear fog lamp not working |1.3.2b| | 368 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 336 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 317 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 283 |
| Rear fog lamp tell tale not working |1.3.1b| | 275 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 273 |
| Offside Rear fog lamp missing |1.3.2a| | 254 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 252 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 248 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 243 |
| Brakes imbalanced across an axle | 236 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 216 |
| Offside Stop lamp not working |1.2.1b| | 207 |
| Emissions not tested |7.0| | 207 |
| Nearside Stop lamp not working |1.2.1b| | 197 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 191 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 189 |
| Rear Rear fog lamp not working |1.3.2b| | 186 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 182 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 181 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 173 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 173 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 173 |
| Battery insecure |1.9.1| | 168 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 167 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 166 |
| Anti-lock braking system warning lamp indicates an ABS fault | 153 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 150 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 148 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 148 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 143 |
| Rear fog lamp switch missing |1.3.1a| | 130 |
| Front brake disc in such a condition that it is seriously weakened | 128 |
| Parking brake lever has no reserve travel |3.1.6b| | 125 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 123 |
| Rear brake binding | 122 |
| Offside front brake binding |3.7.B.1| | 121 |
| Windscreen has damage | 118 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 112 |
| Brake hose excessively deteriorated | 112 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 110 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 110 |
| Offside Rear Stop lamp not working |1.2.1b| | 109 |
| Service brake: efficiency below requirements |3.7.C.1a| | 108 |
| Parking brake: efficiency below requirements |3.7.B.7| | 104 |
| Brake hose has insufficient room to move | 103 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 102 |
| Nearside front brake binding |3.7.B.1| | 102 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 101 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 99 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 97 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 93 |
| Nearside Rear Stop lamp not working |1.2.1b| | 90 |
| Nearside Headlamp not working on main beam |1.7.5a| | 87 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 84 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 83 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 82 |
| Service brake: efficiency below requirements |3.7.B.7| | 79 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 79 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 78 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 76 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 73 |
| Rear fog lamp missing |1.3.2a| | 72 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 71 |
| Rear Exhaust system not adequately supported |7.1.1| | 71 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 70 |
| Brake performance not tested |3.7.A.1| | 69 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 68 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 68 |
| Mechanical brake component has restricted free movement | 66 |
| Rear brake disc in such a condition that it is seriously weakened | 66 |
| Power steering component|s| leaking |2.3.3b| | 64 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 63 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 62 |
| Rear Rear fog lamp missing |1.3.2a| | 62 |
| Nearside Front front brake binding |3.7.B.1| | 61 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 60 |
| Offside Front front brake binding |3.7.B.1| | 60 |
| Rear parking brake recording little or no effort | 58 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 57 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 57 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 56 |
| Offside Headlamp not working on main beam |1.7.5a| | 54 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 53 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 52 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 51 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 51 |
| Nearside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 51 |
| Windscreen wiper blade insecure | 51 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 51 |
| Centre Stop lamp not working |1.2.1b| | 50 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 49 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 49 |
| Front brake application uneven | 49 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 47 |
| Nearside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 46 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 46 |
| Nearside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 45 |
| Exhaust system not adequately supported |7.1.1| | 45 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 44 |
| Offside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 44 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 44 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 44 |
| Offside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 44 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 44 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 44 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 43 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 42 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 41 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 41 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 40 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 40 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 40 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 39 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 39 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 39 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 39 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 39 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 39 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 38 |
| Offside Front brake disc excessively pitted |3.5.1h| | 37 |
| Offside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 37 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 37 |
| All position lamps not working |1.1.A.3b| | 37 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 37 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 36 |
| Offside Front Direction indicator not working |1.4.A.2c| | 36 |
| Front Exhaust system not adequately supported |7.1.1| | 36 |
| Nearside Side repeater not working |1.4.A.2c| | 35 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 35 |
| Stop lamp not working |1.2.1b| | 35 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 34 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 34 |
| Front position lamp|s| not working |1.1.A.3b| | 34 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 34 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 33 |
| Exhaust has a part missing |7.1.1a| | 33 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 33 |
| 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| | 32 |