| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 484 |
| Windscreen wiper does not clear the windscreen effectively | 469 |
| Headlamp aim out of alignment | 466 |
| Brake pipe excessively corroded | 193 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 160 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 155 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 139 |
| Brakes imbalanced across an axle | 137 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 137 |
| Offside Stop lamp not working |1.2.1b| | 110 |
| Parking brake: efficiency below requirements |3.7.B.7| | 103 |
| Parking brake lever has no reserve travel |3.1.6b| | 99 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 98 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 89 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 86 |
| Rear brake binding | 84 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 83 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 81 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 77 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 75 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 72 |
| Nearside Stop lamp not working |1.2.1b| | 69 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 69 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 68 |
| Windscreen washer not working | 67 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 67 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 66 |
| Rear brake disc in such a condition that it is seriously weakened | 65 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 63 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 62 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 61 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 61 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 61 |
| Registration plate issues | 59 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 59 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 59 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 56 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 53 |
| Rear parking brake recording little or no effort | 51 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 50 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 49 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 49 |
| Offside Rear Stop lamp not working |1.2.1b| | 46 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 45 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 43 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 43 |
| Offside Front Shock absorbers has a serious fluid leak | 42 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 40 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 40 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 40 |
| Nearside Rear Stop lamp not working |1.2.1b| | 38 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 34 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 33 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 33 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 32 |
| Nearside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 31 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 30 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 30 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 29 |
| Battery insecure |1.9.1| | 28 |
| Front brake disc in such a condition that it is seriously weakened | 28 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 28 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 28 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 27 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 27 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 26 |
| Anti-lock braking system warning lamp indicates an ABS fault | 26 |
| Offside Front Position lamp not working |4.2.1 |a|| | 25 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 25 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 25 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 24 |
| Front brake excessively fluctuating | 23 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 23 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 23 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 22 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 21 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 21 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 20 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 20 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 20 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 20 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 19 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 18 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 18 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 18 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 18 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 17 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 17 |
| Front brake application uneven | 17 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 17 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 17 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 16 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 16 |
| Nearside Rear Other passenger door cannot be opened from outside the vehicle |6.2.3 |a|| | 16 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 16 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 15 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 15 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 15 |
| Nearside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 15 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 14 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 14 |
| Rear Mechanical brake component has restricted free movement | 14 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 14 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 13 |
| Nearside Headlamp not working on main beam |1.7.5a| | 13 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 13 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 13 |