| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1803 |
| Headlamp aim out of alignment | 978 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 810 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 685 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 606 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 509 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 427 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 301 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 228 |
| Windscreen washer not working | 177 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 171 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 112 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 102 |
| Registration plate lamp issues | 96 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 96 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 92 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 81 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 79 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 77 |
| Brakes imbalanced across an axle | 68 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 67 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 66 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 65 |
| Registration plate issues | 64 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 62 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 61 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 59 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 57 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 56 |
| Emissions not tested (8.2.1.2 (d)) | 54 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 53 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 50 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 48 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 41 |
| Front brake disc in such a condition that it is seriously weakened | 38 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 38 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 36 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 36 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 33 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 33 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 31 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 30 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 30 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 29 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 28 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 28 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 27 |
| Fuel system component leaking fuel filter (6.1.3 (b) (i)) | 26 |
| Reversing lamp inoperative (4.6.1 (a)) | 25 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 25 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 24 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 24 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 24 |