| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 1046 |
| Headlamp aim out of alignment | 793 |
| Windscreen wiper does not clear the windscreen effectively | 704 |
| Parking brake lever has no reserve travel |3.1.6b| | 289 |
| Rear brake binding | 278 |
| Brake pipe excessively corroded | 205 |
| Parking brake: efficiency below requirements |3.7.B.7| | 197 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 196 |
| Offside Stop lamp not working |1.2.1b| | 195 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 185 |
| Nearside Stop lamp not working |1.2.1b| | 184 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 169 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 149 |
| Rear parking brake recording little or no effort | 139 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 131 |
| Brakes imbalanced across an axle | 120 |
| Registration plate issues | 89 |
| Nearside Rear Stop lamp not working |1.2.1b| | 76 |
| Offside Rear Stop lamp not working |1.2.1b| | 70 |
| Battery insecure |1.9.1| | 60 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 58 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 56 |
| Power steering component|s| leaking |2.3.3b| | 54 |
| Rear brake application uneven | 47 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 46 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 46 |
| Rear brake disc in such a condition that it is seriously weakened | 43 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 41 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 41 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 39 |
| Anti-lock braking system warning lamp indicates an ABS fault | 35 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 35 |
| Rear Mechanical brake component has restricted free movement | 34 |
| Rear Brake cable insecure | 33 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 32 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 30 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 30 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 28 |
| Nearside Front Anti-lock braking system component excessively damaged |3.4.2| | 27 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 26 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 24 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 24 |
| Offside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 24 |
| Front brake application uneven | 23 |
| Nearside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 23 |
| Windscreen wiper blade insecure | 23 |
| Offside front brake binding |3.7.B.1| | 22 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 22 |
| Centre Stop lamp not working |1.2.1b| | 22 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 22 |
| Front brake disc in such a condition that it is seriously weakened | 22 |
| Offside Front Anti-lock braking system component excessively damaged |3.4.2| | 22 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 20 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 20 |
| Bonnet cannot be secured in the closed position |8.4.1| | 20 |
| Emissions not tested |7.0| | 19 |
| Nearside front brake binding |3.7.B.1| | 19 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 18 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 18 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 18 |
| Front brake excessively fluctuating | 18 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 17 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 17 |
| Exhaust engine idle speed too high |7.3.D.1| | 17 |
| Windscreen washer not working | 17 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 17 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 16 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 16 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Centre Stop lamp has less than 50% of the light sources illuminating |1.2.1b| | 16 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 15 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 15 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 15 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 15 |
| Offside Front front brake binding |3.7.B.1| | 14 |
| Fuel system component leaking |7.2.3| | 14 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 13 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 13 |
| Stop lamp not working |1.2.1b| | 13 |
| Service brake: efficiency below requirements |3.7.B.7| | 12 |
| Bonnet retaining device ineffective |8.4.2| | 12 |
| Horn not working |1.6.2a| | 12 |