| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1192 |
| Windscreen wiper does not clear the windscreen effectively | 1009 |
| Registration plate lamp issues | 956 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 809 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 481 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 407 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 349 |
| Windscreen washer not working | 272 |
| Brakes imbalanced across an axle | 254 |
| Registration plate issues | 189 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 188 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 183 |
| Brake pipe excessively corroded | 177 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 156 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 151 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 149 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 143 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 136 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 121 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 120 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 115 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 111 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 103 |
| Nearside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 100 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 99 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 98 |
| Offside Front Position lamp not working |4.2.1 |a|| | 96 |
| Nearside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 95 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 94 |
| Offside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 93 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 90 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 89 |
| Offside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 89 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 88 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 83 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 81 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 79 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 76 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 76 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 75 |
| Anti-lock braking system warning lamp indicates an ABS fault | 74 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 71 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 71 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 70 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 68 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 67 |
| Nearside Outline marker lamp not working (4.2.1 (a) (ii)) | 66 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 66 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 64 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 61 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 60 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 58 |
| Rear brake disc in such a condition that it is seriously weakened | 57 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 55 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 54 |
| Windscreen has damage | 52 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 52 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 52 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 51 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 49 |
| Offside Outline marker lamp not working (4.2.1 (a) (ii)) | 45 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 45 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 43 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 43 |
| Parking brake: efficiency below requirements |3.7.B.7| | 40 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 40 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 40 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 40 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 38 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 38 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 38 |
| Front brake disc in such a condition that it is seriously weakened | 37 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 36 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 36 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 35 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 33 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 33 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 31 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 31 |
| Nearside Rear Outline marker lamp not working |4.2.1 |a|| | 30 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 30 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 29 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 29 |
| Central Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 29 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 29 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 29 |
| Offside Front Shock absorbers has a serious fluid leak | 28 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 27 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 27 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 27 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 27 |
| All outline marker lamps not working (4.2.1 (a) (ii)) | 27 |
| Reversing lamp inoperative (4.6.1 (a)) | 27 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 26 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 26 |
| Nearside Front Shock absorbers has a serious fluid leak | 26 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 26 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 26 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 25 |
| Offside Front Outline marker lamp not working |4.2.1 |a|| | 25 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 25 |
| Horn not working (7.7 (a)) | 25 |