| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 3429 |
| Windscreen wiper does not clear the windscreen effectively | 3092 |
| Headlamp aim out of alignment | 2602 |
| Brakes imbalanced across an axle | 950 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 869 |
| Brake pipe excessively corroded | 856 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 709 |
| Centre Stop lamp not working |1.2.1b| | 681 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 580 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 579 |
| Registration plate issues | 508 |
| Front brake disc in such a condition that it is seriously weakened | 479 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 469 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 455 |
| Offside Headlamp insecure |1.7.3| | 378 |
| Nearside Headlamp insecure |1.7.3| | 363 |
| Brake load sensing valve linkage seized |3.6.E.3| | 355 |
| Brake hose excessively deteriorated | 350 |
| Nearside Stop lamp not working |1.2.1b| | 344 |
| Windscreen has damage | 322 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 292 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 291 |
| Offside Stop lamp not working |1.2.1b| | 290 |
| Rear Exhaust system not adequately supported |7.1.1| | 255 |
| Brake load sensing valve seized |3.6.E.3| | 248 |
| Service brake: efficiency below requirements |3.7.B.7| | 248 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 238 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 231 |
| Parking brake: efficiency below requirements |3.7.B.7| | 226 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 221 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 209 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 208 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 204 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 204 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 194 |
| Stop lamp not working |1.2.1b| | 193 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 192 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 188 |
| Offside Front coil spring broken |2.4.C.1a| | 185 |
| Offside Front Headlamp insecure |1.7.3| | 185 |
| Offside front brake binding |3.7.B.1| | 182 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 165 |
| Exhaust system not adequately supported |7.1.1| | 164 |
| Windscreen wiper blade insecure | 163 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 159 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 157 |
| Nearside Front Headlamp insecure |1.7.3| | 152 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 148 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 148 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 143 |
| Rear brake application uneven | 142 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 139 |
| Emissions not tested |7.0| | 139 |
| Rear parking brake recording little or no effort | 138 |
| Rear brake binding | 136 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 135 |
| Fuel system component leaking |7.2.3| | 134 |
| Nearside Rear Stop lamp not working |1.2.1b| | 133 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 128 |
| Centre Rear Stop lamp not working |1.2.1b| | 127 |
| Front brake application uneven | 127 |
| Battery insecure |1.9.1| | 125 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 121 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 120 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 119 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 114 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 110 |
| Indicator switch faulty |1.4.A.1| | 109 |
| Windscreen washer not working | 108 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 107 |
| Horn not working |1.6.2a| | 104 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 103 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 102 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 99 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 97 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 92 |
| Offside Rear Stop lamp not working |1.2.1b| | 90 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 88 |
| Nearside Front coil spring broken |2.4.C.1a| | 86 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 86 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 85 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 85 |
| Centre Statutory seat belt missing |5.1.1| | 84 |
| Offside Front front brake binding |3.7.B.1| | 84 |
| Upper Stop lamp not working |1.2.1b| | 83 |
| Offside Rear fog lamp not working |1.3.2b| | 83 |
| Nearside front brake binding |3.7.B.1| | 83 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 82 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 78 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 74 |
| Offside Front coil spring fractured |2.4.C.1a| | 73 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 72 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 70 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 69 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 69 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 68 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 67 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 66 |
| 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| | 65 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 64 |
| Nearside Side repeater not working |1.4.A.2c| | 64 |
| Front brake excessively fluctuating | 64 |
| Rear Brake load sensing valve seized |3.6.E.3| | 64 |
| Hazard warning switch faulty |1.4.B.1d| | 63 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 62 |
| Offside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 62 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 61 |
| Parking brake lever has no reserve travel |3.1.6b| | 61 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 61 |
| Offside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 60 |
| Centre Exhaust system not adequately supported |7.1.1| | 59 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 58 |
| 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| | 58 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 58 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 57 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 56 |
| Centre Upper Stop lamp not working |1.2.1b| | 55 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 55 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 55 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 54 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 54 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 52 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 52 |
| Offside Front Direction indicator not working |1.4.A.2c| | 52 |
| Parking brake lever has excessive side play in the pivot and may disengage |3.1.4a| | 52 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 51 |
| Offside Side repeater not working |1.4.A.2c| | 51 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 51 |
| Rear Exhaust has a part missing |7.1.1a| | 50 |
| Offside Front brake disc excessively pitted |3.5.1h| | 50 |
| Centre Front Statutory seat belt missing |5.1.1| | 49 |