| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 2333 |
| Registration plate lamp issues | 1150 |
| Windscreen wiper does not clear the windscreen effectively | 789 |
| Brakes imbalanced across an axle | 731 |
| Offside Stop lamp not working |1.2.1b| | 580 |
| Nearside Stop lamp not working |1.2.1b| | 571 |
| Service brake: efficiency below requirements |3.7.B.7| | 541 |
| Nearside Side repeater not working |1.4.A.2c| | 527 |
| Offside Side repeater not working |1.4.A.2c| | 479 |
| Parking brake: efficiency below requirements |3.7.B.7| | 413 |
| Offside Rear fog lamp not working |1.3.2b| | 362 |
| Brake load sensing valve linkage seized |3.6.E.3| | 350 |
| Registration plate issues | 315 |
| Offside Headlamp insecure |1.7.3| | 287 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 271 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 270 |
| Nearside Headlamp insecure |1.7.3| | 262 |
| Front brake disc in such a condition that it is seriously weakened | 257 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 235 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 226 |
| Rear parking brake recording little or no effort | 210 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 203 |
| Brake pipe excessively corroded | 202 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 202 |
| Nearside Rear Stop lamp not working |1.2.1b| | 199 |
| Offside Rear Stop lamp not working |1.2.1b| | 198 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 194 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 193 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 191 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 182 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 169 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 166 |
| Offside Front coil spring fractured |2.4.C.1a| | 156 |
| Rear Exhaust system not adequately supported |7.1.1| | 155 |
| Nearside Front Side repeater not working |1.4.A.2c| | 146 |
| Nearside Front coil spring fractured |2.4.C.1a| | 137 |
| Offside Front Side repeater not working |1.4.A.2c| | 135 |
| Nearside Headlamp not working on main beam |1.7.5a| | 128 |
| Offside Front brake disc excessively pitted |3.5.1h| | 127 |
| Front brake application uneven | 125 |
| Offside Headlamp not working on main beam |1.7.5a| | 121 |
| Windscreen has damage | 116 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 116 |
| Offside Front Headlamp insecure |1.7.3| | 115 |
| Brake hose excessively deteriorated | 108 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 102 |
| Nearside Front Headlamp insecure |1.7.3| | 102 |
| Offside Front coil spring incomplete |2.4.C.1a| | 97 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 93 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 93 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 89 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 88 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 88 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 85 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 85 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 85 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 85 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 84 |
| Hazard warning switch faulty |1.4.B.1d| | 83 |
| Rear Exhaust mounting missing |7.1.1b| | 80 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 79 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 79 |
| Stop lamp not working |1.2.1b| | 76 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 75 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 74 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 73 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 73 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 72 |
| Battery insecure |1.9.1| | 71 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 70 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 70 |
| Emissions not tested |7.0| | 68 |
| Exhaust system not adequately supported |7.1.1| | 68 |
| Rear brake application uneven | 67 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 64 |
| Brake load sensing valve seized |3.6.E.3| | 64 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 64 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 61 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 60 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 60 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 60 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 59 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 59 |
| Rear brake binding | 59 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 58 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 58 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 56 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 56 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 55 |
| Front Windscreen wiper blade deteriorated |8.2.2| | 53 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 52 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 51 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 50 |
| Offside front brake binding |3.7.B.1| | 50 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 50 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 49 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 49 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 48 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 47 |
| Nearside Front coil spring broken |2.4.C.1a| | 47 |
| Nearside Front Direction indicator incomplete |1.5.A1b| | 47 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 46 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 46 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 45 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 43 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 43 |
| Rear Stop lamp not working |1.2.1b| | 43 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 42 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 41 |
| rear brake recording little or no effort |3.7.B.5a| | 41 |
| Front brake disc excessively pitted |3.5.1h| | 40 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 39 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 38 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 38 |
| Brake valve leaking |3.6.A.1| | 38 |
| Nearside front brake binding |3.7.B.1| | 37 |
| Offside Front Direction indicator incomplete |1.5.A1b| | 37 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 37 |
| Fuel tank leaking |7.2.3| | 36 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 36 |
| Offside Front coil spring broken |2.4.C.1a| | 36 |
| Rear fog lamp not working |1.3.2b| | 36 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 35 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 35 |
| Horn not working |1.6.2a| | 35 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 34 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 34 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 33 |
| Brake pedal spongy |3.3.B.1b| | 33 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 33 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 33 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 32 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 32 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 32 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 32 |
| Fuel system component leaking |7.2.3| | 31 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 31 |
| Nearside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 30 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 30 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 30 |
| Rear Exhaust has a part missing |7.1.1a| | 30 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 29 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 29 |
| Spare wheel carrier insecure |6.4.2| | 29 |
| Nearside Front Direction indicator insecure |1.4.A.2b| | 29 |
| Nearside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 29 |
| Offside Front brake disc excessively scored |3.5.1h| | 28 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 28 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 28 |
| Brake pedal has no servo assistance |3.3.B.2| | 28 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 28 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 27 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 27 |
| Offside Front Direction indicator not working |1.4.A.2c| | 26 |
| Nearside Rear position lamp|s| insecure |1.1.A.3a| | 26 |
| Mechanical brake component has restricted free movement | 26 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 26 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 25 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 25 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 25 |
| Brake has no servo assistance |3.3.B.2| | 25 |
| Offside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 25 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 25 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 25 |
| Stop lamp remains on when the brakes are released | 24 |
| Rear Brake valve leaking |3.6.A.1| | 23 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 23 |
| Side repeater not working |1.4.A.2c| | 23 |
| Nearside Rear Radius arm has excessive play in a pin/bush |2.4.G.2| | 23 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 23 |
| Rear Brake load sensing valve seized |3.6.E.3| | 23 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 22 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |
| Nearside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 22 |
| Offside Front coil spring cracked |2.4.C.1a| | 22 |
| Windscreen wiper blade insecure | 22 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 22 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |