| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 158 |
| Windscreen wiper does not clear the windscreen effectively | 147 |
| Headlamp aim out of alignment | 127 |
| Parking brake: efficiency below requirements |3.7.B.7| | 48 |
| Nearside Stop lamp not working |1.2.1b| | 33 |
| Parking brake lever has no reserve travel |3.1.6b| | 29 |
| Rear brake binding | 27 |
| Rear parking brake recording little or no effort | 27 |
| Centre Stop lamp not working |1.2.1b| | 26 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 25 |
| Registration plate issues | 21 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 21 |
| Brake pipe excessively corroded | 19 |
| Offside Stop lamp not working |1.2.1b| | 17 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 15 |
| Brakes imbalanced across an axle | 15 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 13 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 13 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Nearside Rear Stop lamp not working |1.2.1b| | 12 |
| Rear brake disc in such a condition that it is seriously weakened | 12 |
| Front brake disc in such a condition that it is seriously weakened | 12 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 11 |
| Battery insecure |1.9.1| | 10 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 10 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 10 |
| Rear brake application uneven | 8 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 8 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Stop lamp not working |1.2.1b| | 8 |
| Anti-lock braking system warning lamp indicates an ABS fault | 7 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 7 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 7 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Offside Rear Stop lamp not working |1.2.1b| | 6 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 6 |
| Centre Rear Stop lamp not working |1.2.1b| | 6 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Upper Stop lamp not working |1.2.1b| | 6 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 6 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 6 |
| Offside Front Position lamp not working |4.2.1 |a|| | 5 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 5 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 5 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 5 |
| rear parking |secondary| brakes imbalanced | 5 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 5 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 5 |
| Offside Rear coil spring broken |2.4.C.1a| | 5 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 5 |
| Nearside Headlamp not working on main beam |1.7.5a| | 4 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 4 |
| Front brake application uneven | 4 |
| Windscreen wiper blade insecure | 4 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 4 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 4 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside front brake binding |3.7.B.1| | 3 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 3 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Central Stop lamp not working |1.2.1b| | 3 |
| Fuel system component leaking |7.2.3| | 3 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 3 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 3 |
| Rear Stop lamp not working |1.2.1b| | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 3 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 3 |
| Battery insecure and likely to cause a short circuit |4.13 |a| |ii|| | 3 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 3 |
| Windscreen washer not working | 3 |
| Offside front brake binding |3.7.B.1| | 3 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 3 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 3 |