| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 163 |
| Headlamp aim out of alignment | 147 |
| Windscreen wiper does not clear the windscreen effectively | 73 |
| Registration plate issues | 66 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 52 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 49 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 49 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 27 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 25 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 24 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 19 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 18 |
| Anti-lock braking system warning lamp indicates an ABS fault | 17 |
| Parking brake lever ratchet not holding correctly (1.1.6 (a)) | 16 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 16 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 14 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 14 |
| Registration plate lamp issues | 13 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 12 |
| Nearside Rear Position lamp with a multiple light source more than 1/2 not functioning (4.2.1 (a) (ii)) | 12 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 12 |
| Parking brake: efficiency below requirements |3.7.B.7| | 11 |
| Offside Rear Position lamp with a multiple light source more than 1/2 not functioning (4.2.1 (a) (ii)) | 11 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 9 |
| Nearside Rear Road wheel fractured (5.2.2 (a)) | 9 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 8 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 8 |
| Offside Front Lower Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 8 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 8 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 7 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 7 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Rear parking brake recording little or no effort | 6 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 6 |
| Windscreen washer not working | 6 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 6 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 5 |
| Nearside Rear Parking brake inoperative on one side |1.4.1 |a|| | 5 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Nearside Front Lower Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Brakes imbalanced across an axle | 5 |