| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 2195 |
| Windscreen wiper does not clear the windscreen effectively | 1932 |
| Headlamp aim out of alignment | 1897 |
| Brake pipe excessively corroded | 1249 |
| Parking brake: efficiency below requirements |3.7.B.7| | 877 |
| Rear parking brake recording little or no effort | 731 |
| Anti-lock braking system warning lamp indicates an ABS fault | 656 |
| Parking brake lever has no reserve travel |3.1.6b| | 645 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 593 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 587 |
| Rear brake binding | 501 |
| Brakes imbalanced across an axle | 425 |
| Nearside Stop lamp not working |1.2.1b| | 388 |
| Offside Stop lamp not working |1.2.1b| | 348 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 231 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 207 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 191 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 185 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 178 |
| Registration plate issues | 174 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 174 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 166 |
| Nearside Rear Stop lamp not working |1.2.1b| | 164 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 161 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 155 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 153 |
| Rear brake disc in such a condition that it is seriously weakened | 149 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 138 |
| Offside Rear Stop lamp not working |1.2.1b| | 133 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 116 |
| Battery insecure |1.9.1| | 103 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 98 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 90 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 88 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 86 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 85 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 84 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 83 |
| Power steering component|s| leaking |2.3.3b| | 80 |
| Rear brake application uneven | 79 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 79 |
| Windscreen wiper blade insecure | 79 |
| Offside Front Position lamp not working |4.2.1 |a|| | 77 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 75 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 74 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 74 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 73 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 70 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 69 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 64 |
| Rear Mechanical brake component has restricted free movement | 63 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 62 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 62 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 62 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 62 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 60 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 60 |
| Offside front brake binding |3.7.B.1| | 57 |
| Front brake disc in such a condition that it is seriously weakened | 57 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 56 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 56 |
| Offside Front Anti-lock braking system component excessively damaged |3.4.2| | 54 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 54 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 53 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 52 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 52 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 52 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 52 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 52 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 51 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 51 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 50 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 48 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 48 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 48 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 48 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 47 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 46 |
| Front brake application uneven | 46 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 43 |
| Bonnet cannot be secured in the closed position |8.4.1| | 43 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 42 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 42 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 42 |
| Windscreen washer not working | 41 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 41 |
| Nearside Front Anti-lock braking system component excessively damaged |3.4.2| | 41 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 41 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 40 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 39 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 39 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 39 |
| rear parking |secondary| brakes imbalanced | 38 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 38 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 37 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 37 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 37 |
| Front brake excessively fluctuating | 37 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 36 |
| Nearside front brake binding |3.7.B.1| | 35 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 35 |
| Service brake: efficiency below requirements |3.7.B.7| | 35 |
| Offside Front front brake binding |3.7.B.1| | 35 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 35 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 34 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 34 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 34 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 32 |