| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 97 |
| Registration plate lamp issues | 87 |
| Headlamp aim out of alignment | 81 |
| Parking brake: efficiency below requirements |3.7.B.7| | 72 |
| Rear parking brake recording little or no effort | 70 |
| Parking brake lever has no reserve travel |3.1.6b| | 35 |
| Offside Stop lamp not working |1.2.1b| | 31 |
| Nearside Stop lamp not working |1.2.1b| | 28 |
| Brake pipe excessively corroded | 27 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 26 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 24 |
| Registration plate issues | 23 |
| Anti-lock braking system warning lamp indicates an ABS fault | 20 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 18 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 16 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Exhaust system not adequately supported |7.1.1| | 16 |
| Horn not working |1.6.2a| | 13 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Nearside Rear Stop lamp not working |1.2.1b| | 11 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 10 |
| Brakes imbalanced across an axle | 10 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Centre Exhaust system not adequately supported |7.1.1| | 9 |
| Offside Rear Stop lamp not working |1.2.1b| | 9 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 9 |
| Front brake disc in such a condition that it is seriously weakened | 9 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 8 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 8 |
| Rear Exhaust system not adequately supported |7.1.1| | 8 |
| Rear fog lamp not working |1.3.2b| | 7 |
| Offside Rear fog lamp not working |1.3.2b| | 6 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Centre Stop lamp not working |1.2.1b| | 6 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 6 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Front brake application uneven | 5 |
| Rear brake binding | 5 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 5 |
| rear parking |secondary| brakes imbalanced | 5 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 5 |
| Windscreen wiper blade insecure | 5 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 4 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 4 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 4 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 4 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 4 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 4 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Rear brake application uneven | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Front position lamp|s| not working |1.1.A.3b| | 3 |
| Windscreen has damage | 3 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded outer sill |2.4.A.3| | 3 |
| Battery insecure |1.9.1| | 3 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front Steering linkage ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Power steering component|s| leaking |2.3.3b| | 3 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Front Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Side repeater not working |1.4.A.2c| | 2 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 2 |
| Offside Rear Rear fog lamp emits a light other than red |1.3.2e| | 2 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 2 |
| Nearside Rear Seat belt damaged sufficient to significantly weakened the webbing |5.2.2a| | 2 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Nearside Rear Inner Integral body structure is deformed and structural rigidity is significantly reduced arch (6.1.1 (a) (i)) | 2 |
| Offside Rear Inner Integral body structure corroded to the extent that the rigidity of the assembly is significantly reduced arch (6.1.1 (c) (i)) | 2 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 2 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Emissions not tested |7.3.A.1| | 2 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Brake hose excessively deteriorated | 2 |
| Power steering component|s| leaking from a failed seal |2.3.3b| | 2 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 2 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Front brake excessively fluctuating | 2 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 2 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Offside Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |