| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 191 |
| Windscreen wiper does not clear the windscreen effectively | 113 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 68 |
| Parking brake: efficiency below requirements |3.7.B.7| | 63 |
| Registration plate issues | 60 |
| Registration plate lamp issues | 50 |
| Brake pipe excessively corroded | 41 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 40 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 35 |
| Rear parking brake recording little or no effort | 28 |
| Parking brake lever has no reserve travel |3.1.6b| | 28 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 27 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 26 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 24 |
| Battery insecure |1.9.1| | 21 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 20 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 19 |
| Windscreen has damage | 19 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 19 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 16 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 16 |
| Brakes imbalanced across an axle | 15 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 15 |
| Centre Stop lamp not working |1.2.1b| | 13 |
| Anti-lock braking system warning lamp indicates an ABS fault | 12 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 11 |
| Rear brake disc in such a condition that it is seriously weakened | 9 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 9 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 9 |
| Horn not working |1.6.2a| | 7 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 7 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 7 |
| Windscreen wiper blade insecure | 7 |
| Front brake excessively fluctuating | 7 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 6 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 6 |
| Windscreen washer not working | 6 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Emissions not tested (8.2.1.2 (d)) | 6 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 5 |
| Centre Rear Stop lamp not working |1.2.1b| | 5 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 5 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Front brake application uneven | 5 |
| Parking brake: efficiency below requirements |3.7.D.4| | 5 |
| Brake hose damaged | 5 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 5 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 5 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 4 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Rear fog lamp not working |1.3.2b| | 4 |
| Rear brake binding | 4 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Offside Front Position lamp not working |4.2.1 |a|| | 4 |
| Offside Rear Shock absorbers has a serious fluid leak | 4 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 4 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 4 |