| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 5007 |
| Headlamp aim out of alignment | 3842 |
| Registration plate lamp issues | 2412 |
| Brake pipe excessively corroded | 1494 |
| Brakes imbalanced across an axle | 1416 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1025 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 984 |
| Nearside Front coil spring broken |2.4.C.1a| | 620 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 610 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 608 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 586 |
| Parking brake: efficiency below requirements |3.7.B.7| | 578 |
| Registration plate issues | 569 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 498 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 481 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 445 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 440 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 401 |
| Offside Front coil spring broken |2.4.C.1a| | 399 |
| Rear brake binding | 395 |
| Rear parking brake recording little or no effort | 359 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 353 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 345 |
| Front brake application uneven | 339 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 337 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 328 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 327 |
| Front brake excessively fluctuating | 322 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 317 |
| Rear brake disc in such a condition that it is seriously weakened | 315 |
| Offside front brake binding |3.7.B.1| | 303 |
| Front brake disc in such a condition that it is seriously weakened | 289 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 288 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 285 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 282 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 280 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 271 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 270 |
| Offside Front Position lamp not working |4.2.1 |a|| | 268 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 264 |
| Nearside Stop lamp not working |1.2.1b| | 262 |
| Rear Exhaust system not adequately supported |7.1.1| | 253 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 251 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 225 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 224 |
| Offside Stop lamp not working |1.2.1b| | 223 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 221 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 219 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 210 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 209 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 206 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 202 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 202 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 197 |
| Nearside front brake binding |3.7.B.1| | 195 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 195 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 193 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 187 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 184 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 176 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 164 |
| Battery insecure |1.9.1| | 161 |
| Offside Front front brake binding |3.7.B.1| | 160 |
| Rear brake application uneven | 160 |
| Offside Rear coil spring broken |2.4.C.1a| | 147 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 147 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 145 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 141 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 134 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 133 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 133 |
| Mechanical brake component has restricted free movement | 131 |
| Parking brake lever has no reserve travel |3.1.6b| | 129 |
| Nearside Front front brake binding |3.7.B.1| | 127 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 127 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 123 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 122 |
| Windscreen washer not working | 122 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 122 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 119 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 119 |
| Nearside Rear coil spring broken |2.4.C.1a| | 118 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 115 |
| Windscreen wiper blade insecure | 113 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 113 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 111 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 108 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 108 |
| Nearside Rear Stop lamp not working |1.2.1b| | 106 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 102 |
| Centre Stop lamp not working |1.2.1b| | 100 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 100 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 100 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 99 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 95 |
| Windscreen has damage | 94 |
| Offside Rear Shock absorbers has a serious fluid leak | 94 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 94 |
| Brake hose has insufficient room to move | 93 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 93 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 93 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 93 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 93 |
| Emissions not tested (8.2.1.2 (d)) | 92 |
| Nearside Rear Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 90 |