| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 156 |
| Windscreen wiper does not clear the windscreen effectively | 136 |
| Registration plate issues | 86 |
| Registration plate lamp issues | 77 |
| Parking brake: efficiency below requirements |3.7.B.7| | 49 |
| Rear parking brake recording little or no effort | 40 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 35 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 33 |
| Rear brake disc in such a condition that it is seriously weakened | 31 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 30 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 29 |
| Brakes imbalanced across an axle | 29 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 28 |
| Rear brake binding | 22 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 21 |
| Brake pipe excessively corroded | 21 |
| Parking brake lever has no reserve travel |3.1.6b| | 16 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 15 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 15 |
| Offside Front Position lamp not working |4.2.1 |a|| | 12 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 12 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 12 |
| Service brake: efficiency below requirements |3.7.B.7| | 11 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 11 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 10 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 9 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 9 |
| Nearside Rear brake caliper has restricted free movement |3.5.1k| | 7 |
| Offside Rear fog lamp not working |1.3.2b| | 7 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 5 |
| Horn not working |1.6.2a| | 5 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 5 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Front brake excessively fluctuating | 5 |
| Nearside Rear Sub-frame corroded and seriously weakened (5.3.3 (b) (i)) | 5 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 4 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 4 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 4 |
| Central Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 4 |
| Rear fog lamp not working |1.3.2b| | 4 |
| Windscreen has damage | 4 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 4 |
| Windscreen washer not working | 4 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 4 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| Rear brake application uneven | 3 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Nearside Rear Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 3 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Nearside Front Shock absorbers has a serious fluid leak | 3 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 3 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Rear Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i)) | 3 |
| Offside Rear Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i)) | 3 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 3 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 3 |
| Trailer electrical socket (13 pin) not operating the trailer lamps as intended (4.10 (c) (i)) | 3 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |