| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 9688 |
| Headlamp aim out of alignment | 8825 |
| Registration plate lamp issues | 8027 |
| Parking brake: efficiency below requirements |3.7.B.7| | 5154 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 4394 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 4170 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 4133 |
| Brake pipe excessively corroded | 4016 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 3893 |
| Rear parking brake recording little or no effort | 3414 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 3310 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3122 |
| Hazard warning switch faulty |1.4.B.1d| | 3081 |
| Registration plate issues | 3055 |
| Brakes imbalanced across an axle | 2679 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2558 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2416 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2059 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1960 |
| Centre Stop lamp not working |1.2.1b| | 1942 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1877 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1835 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1736 |
| Front brake disc in such a condition that it is seriously weakened | 1615 |
| Windscreen has damage | 1602 |
| Service brake: efficiency below requirements |3.7.B.7| | 1495 |
| Nearside Stop lamp not working |1.2.1b| | 1450 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1341 |
| Offside Stop lamp not working |1.2.1b| | 1275 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1244 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1111 |
| Windscreen washer not working | 1072 |
| Horn not working |1.6.2a| | 996 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 986 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 922 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 916 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 905 |
| Rear brake disc in such a condition that it is seriously weakened | 871 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 869 |
| Offside Rear coil spring broken |2.4.C.1a| | 868 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 748 |
| Nearside Rear coil spring broken |2.4.C.1a| | 729 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 727 |
| Rear brake binding | 712 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 707 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 697 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 671 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 665 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 642 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 628 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 623 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 621 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 621 |
| Parking brake lever has no reserve travel |3.1.6b| | 599 |
| Offside Rear fog lamp not working |1.3.2b| | 587 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 581 |
| Nearside Rear Stop lamp not working |1.2.1b| | 578 |
| Hazard warning lamps inoperative |1.4.B.1b| | 565 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 564 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 559 |
| Brake hose has insufficient room to move | 518 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 496 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 490 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 489 |
| Offside Rear Stop lamp not working |1.2.1b| | 471 |
| Nearside Front Shock absorbers has a serious fluid leak | 455 |
| Stop lamp not working |1.2.1b| | 443 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 422 |
| Rear fog lamp not working |1.3.2b| | 411 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 405 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 404 |
| Centre Rear Stop lamp not working |1.2.1b| | 392 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 389 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 386 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 384 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 382 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 374 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 370 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 369 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 358 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 357 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 353 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 350 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 350 |
| Windscreen wiper blade insecure | 338 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 324 |
| Front brake application uneven | 324 |
| Offside Front Shock absorbers has a serious fluid leak | 323 |
| Offside front brake binding |3.7.B.1| | 318 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 317 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 311 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 307 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 303 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 302 |
| Anti-lock braking system warning lamp indicates an ABS fault | 301 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 301 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 299 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 296 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 283 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 282 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 282 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 278 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 274 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 273 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 271 |
| Rear brake application uneven | 270 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 263 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 261 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 260 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 258 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 255 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 251 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 249 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 243 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 243 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 240 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 240 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 234 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 230 |
| Upper Stop lamp not working |1.2.1b| | 229 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 228 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 228 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 226 |
| Offside Suspension arm has excessive play in a ball joint |2.4.G.2| | 226 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 225 |
| Horn not working (7.7 (a)) | 221 |
| Fuel system component leaking |7.2.3| | 221 |
| Nearside Suspension arm has excessive play in a ball joint |2.4.G.2| | 221 |
| Front brake excessively fluctuating | 214 |
| Brake hose excessively deteriorated | 214 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 212 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 210 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 206 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 205 |
| Offside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 204 |
| Brake load sensing valve has been disconnected and was fitted as standard |3.6.E.2| | 204 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 203 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 201 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 201 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 201 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 199 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 198 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 197 |
| Front position lamp|s| not working |1.1.A.3b| | 195 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 195 |
| Offside Front Position lamp not working |4.2.1 |a|| | 192 |