| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 3093 |
| Windscreen wiper does not clear the windscreen effectively | 2557 |
| Headlamp aim out of alignment | 2503 |
| Registration plate lamp issues | 1590 |
| Brakes imbalanced across an axle | 976 |
| Nearside Front coil spring broken |2.4.C.1a| | 773 |
| Registration plate issues | 706 |
| Parking brake lever has no reserve travel |3.1.6b| | 625 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 595 |
| Offside Front coil spring broken |2.4.C.1a| | 541 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 497 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 460 |
| Parking brake: efficiency below requirements |3.7.B.7| | 446 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 433 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 417 |
| Rear parking brake recording little or no effort | 334 |
| Horn not working |1.6.2a| | 307 |
| Rear fog lamp not working |1.3.2b| | 291 |
| Horn not working (7.7 (a) (ii)) | 266 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 259 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 255 |
| Anti-lock braking system warning lamp indicates an ABS fault | 249 |
| Offside Rear Shock absorbers has a serious fluid leak | 240 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 240 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 236 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 217 |
| Horn not working (7.7 (a)) | 211 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 198 |
| Offside Rear fog lamp not working |1.3.2b| | 185 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 183 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 181 |
| Windscreen washer not working | 180 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 179 |
| Rear brake binding | 170 |
| Nearside Stop lamp not working |1.2.1b| | 161 |
| Offside Stop lamp not working |1.2.1b| | 154 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 151 |
| Horn not working |7.7 |a| |ii|| | 140 |
| Offside Front Position lamp not working |4.2.1 |a|| | 130 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 129 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 129 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 127 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 125 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 125 |
| Service brake: efficiency below requirements |3.7.B.7| | 119 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 119 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 118 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 117 |
| Front brake disc in such a condition that it is seriously weakened | 113 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 112 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 106 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 103 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 103 |
| Front brake application uneven | 102 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 101 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 101 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 100 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 99 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 98 |
| Rear brake application uneven | 98 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 96 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 95 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 94 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 84 |
| Windscreen has damage | 84 |
| Nearside Rear Shock absorbers has a serious fluid leak | 75 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 72 |
| Front brake excessively fluctuating | 71 |
| Nearside Rear Leaf spring fractured (5.3.1 (b) (i)) | 68 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 67 |
| Offside Rear Leaf spring fractured (5.3.1 (b) (i)) | 66 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 65 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 64 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 63 |
| Nearside Rear Stop lamp not working |1.2.1b| | 62 |
| rear parking |secondary| brakes imbalanced | 60 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 59 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 57 |
| Offside front brake binding |3.7.B.1| | 56 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 56 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 55 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 54 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 53 |
| Offside Rear Stop lamp not working |1.2.1b| | 53 |
| Trailer electrical socket damaged so that lead cannot be securely connected |1.9.3b| | 53 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 52 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 52 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 51 |
| Reversing lamp inoperative (4.6.1 (a)) | 51 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 50 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 49 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 48 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 48 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 47 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 47 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 46 |