| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 4003 |
| Headlamp aim out of alignment | 2907 |
| Registration plate lamp issues | 2070 |
| Brake pipe excessively corroded | 899 |
| Brakes imbalanced across an axle | 840 |
| Offside Stop lamp not working |1.2.1b| | 689 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 626 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 623 |
| Parking brake: efficiency below requirements |3.7.B.7| | 619 |
| Anti-lock braking system warning lamp indicates an ABS fault | 612 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 597 |
| Nearside Stop lamp not working |1.2.1b| | 503 |
| Rear parking brake recording little or no effort | 408 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 397 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 385 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 360 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 300 |
| Rear brake binding | 283 |
| Windscreen washer not working | 280 |
| Offside Rear Stop lamp not working |1.2.1b| | 278 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 278 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 277 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 263 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 249 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 246 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 237 |
| Front brake disc in such a condition that it is seriously weakened | 230 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 213 |
| Nearside Rear Stop lamp not working |1.2.1b| | 196 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 195 |
| Registration plate issues | 194 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 191 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 186 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 182 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 176 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 174 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 172 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 164 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 160 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 158 |
| Offside Front Position lamp not working |4.2.1 |a|| | 157 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 157 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 155 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 152 |
| Centre Stop lamp not working |1.2.1b| | 148 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 147 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 138 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 136 |
| Battery insecure |1.9.1| | 126 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 124 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 124 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 123 |
| Stop lamp not working |1.2.1b| | 119 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 119 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 111 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 107 |
| Stop lamp|s| all not working |4.3.1 |a| |iii|| | 107 |
| Rear brake disc in such a condition that it is seriously weakened | 102 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 95 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 91 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 82 |
| Offside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 80 |
| Front brake application uneven | 79 |
| Emissions not tested (8.2.1.2 (d)) | 79 |
| Front brake excessively fluctuating | 78 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 78 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 76 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 75 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 74 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 73 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 72 |
| Rear brake application uneven | 71 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 71 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 71 |
| Nearside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 70 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 69 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 68 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 68 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 66 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 64 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 63 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 63 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 63 |
| Offside front brake binding |3.7.B.1| | 62 |