| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 888 |
| Brake pipe excessively corroded | 637 |
| Headlamp aim out of alignment | 379 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 329 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 244 |
| Offside Front coil spring broken |2.4.C.1a| | 235 |
| Nearside Front coil spring broken |2.4.C.1a| | 168 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 149 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 148 |
| Brakes imbalanced across an axle | 137 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 135 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 122 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 117 |
| Registration plate lamp issues | 112 |
| Rear brake binding | 104 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 82 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 78 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 70 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 67 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 66 |
| Parking brake lever has no reserve travel |3.1.6b| | 57 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 56 |
| Windscreen washer not working | 52 |
| Offside Rear Shock absorbers has a serious fluid leak | 49 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 48 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 43 |
| Parking brake: efficiency below requirements |3.7.B.7| | 42 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 40 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 36 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 35 |
| Nearside Rear Shock absorbers has a serious fluid leak | 34 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 34 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 33 |
| Rear parking brake recording little or no effort | 31 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 30 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 30 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 29 |
| Registration plate issues | 28 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 26 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 25 |
| Nearside Front Shock absorbers has a serious fluid leak | 25 |
| Brake hose excessively deteriorated | 25 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 22 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 21 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 21 |
| Offside Front Shock absorbers has a serious fluid leak | 21 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 21 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 20 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 20 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 20 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 18 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 18 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 18 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 18 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 17 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 17 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 17 |
| Rear Mechanical brake component has restricted free movement | 17 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 16 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 16 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 16 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| Front brake disc in such a condition that it is seriously weakened | 15 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 14 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 14 |
| Windscreen wiper blade insecure | 13 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 13 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 13 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 12 |