| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 5043 |
| Windscreen wiper does not clear the windscreen effectively | 4351 |
| Headlamp aim out of alignment | 4099 |
| Brakes imbalanced across an axle | 1361 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1286 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1088 |
| Brake pipe excessively corroded | 965 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 734 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 703 |
| Centre Stop lamp not working |1.2.1b| | 629 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 595 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 562 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 525 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 470 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 455 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 454 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 441 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 401 |
| Front brake disc in such a condition that it is seriously weakened | 387 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 376 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 357 |
| Horn not working |1.6.2a| | 356 |
| Parking brake: efficiency below requirements |3.7.B.7| | 348 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 339 |
| Nearside Stop lamp not working |1.2.1b| | 338 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 333 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 318 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 311 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 304 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 300 |
| Registration plate issues | 297 |
| Windscreen has damage | 292 |
| Brake load sensing valve seized |3.6.E.3| | 287 |
| Offside Stop lamp not working |1.2.1b| | 262 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 262 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 256 |
| Brake load sensing valve linkage seized |3.6.E.3| | 238 |
| Service brake: efficiency below requirements |3.7.B.7| | 235 |
| Rear brake application uneven | 233 |
| Rear Exhaust system not adequately supported |7.1.1| | 226 |
| Rear parking brake recording little or no effort | 225 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 223 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 215 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 208 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 197 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 195 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 194 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 190 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 189 |
| Front brake application uneven | 187 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 181 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 178 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 177 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 177 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 177 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 175 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 175 |
| Indicator switch faulty |1.4.A.1| | 171 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 169 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 167 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 163 |
| 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| | 160 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 153 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 153 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 151 |
| Battery insecure |1.9.1| | 151 |
| Stop lamp not working |1.2.1b| | 150 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 148 |
| Windscreen wiper blade insecure | 147 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 147 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 145 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 141 |
| Exhaust system not adequately supported |7.1.1| | 137 |
| Windscreen washer not working | 134 |
| Nearside Rear Stop lamp not working |1.2.1b| | 132 |
| Offside front brake binding |3.7.B.1| | 132 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 132 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 130 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 129 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 129 |
| Offside Front Position lamp not working |4.2.1 |a|| | 128 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 128 |
| Emissions not tested |7.0| | 121 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 120 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 119 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 118 |
| Offside Side repeater not working |1.4.A.2c| | 117 |
| Rear brake binding | 116 |
| Fuel system component leaking |7.2.3| | 114 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 110 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 110 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 108 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 108 |
| Offside Front coil spring broken |2.4.C.1a| | 107 |
| Rear Brake load sensing valve seized |3.6.E.3| | 107 |
| Centre Rear Stop lamp not working |1.2.1b| | 106 |
| Nearside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 105 |
| Brake hose excessively deteriorated | 105 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 105 |
| Offside Headlamp insecure |1.7.3| | 105 |
| Nearside Headlamp insecure |1.7.3| | 103 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 101 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 100 |
| Nearside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 99 |
| 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| | 98 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 96 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 96 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 96 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 93 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 92 |
| Upper Stop lamp not working |1.2.1b| | 92 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 91 |
| Central Stop lamp not working |1.2.1b| | 91 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 89 |
| Offside Rear fog lamp not working |1.3.2b| | 88 |
| Offside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 87 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 86 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 86 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 85 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 85 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 85 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 83 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 83 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 83 |
| Anti-lock braking system warning lamp indicates an ABS fault | 82 |
| Offside Rear Shock absorbers has a serious fluid leak | 81 |
| Nearside front brake binding |3.7.B.1| | 81 |
| Offside Front front brake binding |3.7.B.1| | 81 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 81 |
| Offside Rear Stop lamp not working |1.2.1b| | 80 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 79 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 79 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 79 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 77 |