| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1273 |
| Windscreen wiper does not clear the windscreen effectively | 997 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 893 |
| Registration plate lamp issues | 877 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 571 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 513 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 348 |
| Windscreen washer not working | 236 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 228 |
| Brakes imbalanced across an axle | 191 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 178 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 152 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 147 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 143 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 139 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 133 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 127 |
| Brake pipe excessively corroded | 122 |
| Nearside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 120 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 120 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 119 |
| Offside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 119 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 119 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 118 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 117 |
| Nearside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 109 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 99 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 98 |
| Offside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 94 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 89 |
| Registration plate issues | 76 |
| Offside Outline marker lamp not working (4.2.1 (a) (ii)) | 75 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 73 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 72 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 72 |
| Nearside Outline marker lamp not working (4.2.1 (a) (ii)) | 71 |
| Rear brake disc in such a condition that it is seriously weakened | 70 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 70 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 69 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 66 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 62 |
| Anti-lock braking system warning lamp indicates an ABS fault | 62 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 59 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 58 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 57 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 57 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 57 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 56 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 54 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 52 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 52 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 52 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 51 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 51 |
| Brake pedal anti-slip provision worn smooth (1.1.2 (c)) | 48 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 48 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 46 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 45 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 45 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 40 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 39 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 38 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 38 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 38 |
| Offside Front Position lamp not working |4.2.1 |a|| | 37 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 34 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 34 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 34 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 33 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 32 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 32 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 32 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 31 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 31 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 31 |
| Front brake disc in such a condition that it is seriously weakened | 30 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 30 |
| Nearside Headlamp aim not tested (4.1.2 (b)) | 30 |
| Drivers seat insecure (6.2.5 (a) (ii)) | 30 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 30 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 29 |
| Nearside Rear Shock absorbers has a serious fluid leak | 28 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 27 |
| Central Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 27 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 27 |
| Reversing lamp inoperative (4.6.1 (a)) | 27 |
| Horn not working (7.7 (a)) | 27 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 26 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 26 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 25 |
| All outline marker lamps not working (4.2.1 (a) (ii)) | 25 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 25 |
| Headlamp aim not tested (4.1.2 (b)) | 24 |
| Nearside Front Outline marker lamp missing (4.2.1 (a) (ii)) | 24 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 23 |