| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 126 |
| Windscreen wiper does not clear the windscreen effectively | 105 |
| Parking brake: efficiency below requirements |3.7.B.7| | 67 |
| Registration plate lamp issues | 67 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 50 |
| Registration plate issues | 48 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 40 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 39 |
| Rear parking brake recording little or no effort | 39 |
| Parking brake lever has no reserve travel |3.1.6b| | 24 |
| Brake pipe excessively corroded | 22 |
| Battery insecure |1.9.1| | 19 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 17 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 17 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 16 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 15 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 14 |
| Windscreen has damage | 13 |
| Nearside Stop lamp not working |1.2.1b| | 13 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 13 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 12 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Nearside Rear Stop lamp not working |1.2.1b| | 11 |
| Centre Stop lamp not working |1.2.1b| | 10 |
| Brakes imbalanced across an axle | 10 |
| Anti-lock braking system warning lamp indicates an ABS fault | 9 |
| Offside Stop lamp not working |1.2.1b| | 9 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 9 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 9 |
| Nearside Rear Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 7 |
| Horn not working |1.6.2a| | 7 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 7 |
| Windscreen washer not working | 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 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 6 |
| Offside Rear Stop lamp not working |1.2.1b| | 6 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 6 |
| Offside Rear Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 5 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 5 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Rear brake disc in such a condition that it is seriously weakened | 5 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Nearside Front Shock absorbers has a serious fluid leak | 5 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Front Position lamp not working |4.2.1 |a|| | 4 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 4 |
| Rear brake binding | 4 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Bonnet cannot be secured in the closed position |8.4.1| | 4 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 4 |
| Stop lamp not working |1.2.1b| | 4 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 4 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Brake hose damaged | 3 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 3 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 3 |
| Driver`s seat insecure |6.2.A.1| | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Windscreen wiper blade insecure | 3 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| Upper Stop lamp not working |1.2.1b| | 3 |
| Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 3 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |