| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 528 |
| Windscreen wiper does not clear the windscreen effectively | 317 |
| Headlamp aim out of alignment | 274 |
| Parking brake: efficiency below requirements |3.7.B.7| | 263 |
| Brake pipe excessively corroded | 227 |
| Rear parking brake recording little or no effort | 158 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 147 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 119 |
| Brakes imbalanced across an axle | 85 |
| Offside Stop lamp not working |1.2.1b| | 76 |
| Registration plate issues | 71 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 66 |
| Centre Stop lamp not working |1.2.1b| | 60 |
| Nearside Stop lamp not working |1.2.1b| | 54 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 46 |
| Offside Rear Stop lamp not working |1.2.1b| | 42 |
| Parking brake lever has no reserve travel |3.1.6b| | 41 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 37 |
| Offside front brake binding |3.7.B.1| | 36 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 36 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 36 |
| Rear brake binding | 33 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 31 |
| Nearside Rear Stop lamp not working |1.2.1b| | 30 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 24 |
| Anti-lock braking system warning lamp indicates an ABS fault | 23 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 20 |
| Front brake application uneven | 20 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 19 |
| Brake hose excessively deteriorated | 19 |
| 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| | 18 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 18 |
| Rear fog lamp not working |1.3.2b| | 18 |
| Front brake disc in such a condition that it is seriously weakened | 18 |
| Battery insecure |1.9.1| | 18 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 18 |
| Nearside front brake binding |3.7.B.1| | 17 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 17 |
| Windscreen wiper blade insecure | 17 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 17 |
| Nearside 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| | 16 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 16 |
| Service brake: efficiency below requirements |3.7.B.7| | 16 |
| Emissions not tested |7.0| | 15 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Front position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Offside Front front brake binding |3.7.B.1| | 14 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 14 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 13 |
| Nearside Front front brake binding |3.7.B.1| | 13 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 13 |
| Horn not working |1.6.2a| | 13 |
| Stop lamp not working |1.2.1b| | 13 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 12 |
| Offside Rear fog lamp not working |1.3.2b| | 12 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 12 |
| Windscreen has damage | 12 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Centre Rear Stop lamp not working |1.2.1b| | 11 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 11 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 9 |
| Driver`s seat insecure |6.2.A.1| | 9 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 9 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 8 |
| Nearside Headlamp not working on main beam |1.7.5a| | 8 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 7 |
| Nearside Rear Shock absorbers has a serious fluid leak | 7 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 7 |
| Offside Front Position lamp not working |4.2.1 |a|| | 7 |
| Rear brake application uneven | 7 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Spare wheel carrier insecure |6.4.2| | 7 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 7 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Front brake excessively fluctuating | 7 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 7 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Rear Stop lamp not working |1.2.1b| | 6 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 6 |
| Offside Rear Shock absorbers has a serious fluid leak | 6 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 6 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 6 |
| Mechanical brake component has restricted free movement | 6 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 6 |
| Nearside Front Headlamp lens seriously defective (4.1.1 (b) (ii)) | 6 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 6 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded inner sill |2.4.A.3| | 6 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 6 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 6 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 6 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Nearside Rear Statutory seat belt missing |5.1.1| | 6 |
| Rear fog lamp tell tale not working |1.3.1b| | 6 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 6 |