| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 576 |
| Headlamp aim out of alignment | 407 |
| Windscreen wiper does not clear the windscreen effectively | 390 |
| Brake pipe excessively corroded | 256 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 129 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 125 |
| Offside Stop lamp not working |1.2.1b| | 123 |
| Nearside Stop lamp not working |1.2.1b| | 110 |
| Parking brake: efficiency below requirements |3.7.B.7| | 107 |
| Parking brake lever has no reserve travel |3.1.6b| | 94 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 87 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 76 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 71 |
| Anti-lock braking system warning lamp indicates an ABS fault | 70 |
| Registration plate issues | 59 |
| Rear parking brake recording little or no effort | 57 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 52 |
| Brakes imbalanced across an axle | 51 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 47 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 47 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 46 |
| Offside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 46 |
| Offside Rear Stop lamp not working |1.2.1b| | 40 |
| Rear brake binding | 38 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 35 |
| Nearside Rear Stop lamp not working |1.2.1b| | 34 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 34 |
| Nearside Headlamp not working on main beam |1.7.5a| | 32 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 31 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 31 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 30 |
| Offside Headlamp not working on main beam |1.7.5a| | 28 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 27 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 25 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 25 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 24 |
| Windscreen has damage | 24 |
| Windscreen washer not working | 22 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 21 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 20 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 19 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 19 |
| Rear brake disc in such a condition that it is seriously weakened | 19 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 19 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 18 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 17 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 17 |
| Battery insecure |1.9.1| | 17 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 17 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 17 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 17 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 15 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 15 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 14 |
| Service brake: efficiency below requirements |3.7.B.7| | 14 |
| Rear brake application uneven | 14 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 13 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 13 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 13 |
| Brake hose has insufficient room to move | 12 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 12 |
| Rear Exhaust system not adequately supported |7.1.1| | 12 |
| Nearside Front Shock absorbers has a serious fluid leak | 12 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 12 |
| Front brake application uneven | 12 |
| Windscreen wiper blade insecure | 12 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 11 |
| Centre Stop lamp not working |1.2.1b| | 11 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 10 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 10 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 10 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 9 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 9 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 9 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 9 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 8 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 8 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 8 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 8 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 8 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 8 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Front brake excessively fluctuating | 8 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 8 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |