| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 74 |
| Registration plate lamp issues | 56 |
| Headlamp aim out of alignment | 51 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 22 |
| Offside Stop lamp not working |1.2.1b| | 16 |
| Brakes imbalanced across an axle | 15 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Windscreen washer not working | 14 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 14 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 14 |
| Brake pipe excessively corroded | 11 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Offside Rear Stop lamp not working |1.2.1b| | 8 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 7 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 6 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Nearside Stop lamp not working |1.2.1b| | 6 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 5 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Brake hose excessively deteriorated | 5 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 5 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 4 |
| Registration plate issues | 4 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 4 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 4 |
| Rear brake binding | 4 |
| Parking brake: efficiency below requirements |3.7.B.7| | 4 |
| Nearside Rear Stop lamp not working |1.2.1b| | 4 |
| Anti-lock braking system warning lamp indicates an ABS fault | 4 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Nearside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 3 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 3 |
| Offside Front Position lamp not working |4.2.1 |a|| | 3 |
| Windscreen wiper blade insecure | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Central Rear Seat belt buckle not functioning as intended (7.1.2 (d)) | 3 |
| Nearside Rear Seat belt buckle not functioning as intended (7.1.2 (d)) | 3 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Battery insecure |1.9.1| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 2 |
| Nearside Front Steering rack gaiter insecure |2.2.D.2d| | 2 |
| Rear brake application uneven | 2 |
| Rear Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Front position lamp|s| not working |1.1.A.3b| | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Nearside Headlamp insecure |1.7.3| | 2 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 2 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 2 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 2 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 2 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Nearside Front Headlamp insecure (4.1.1 (c)) | 2 |
| Offside Front Lower Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Rear Service brake grabbing severely (1.2.1 (c)) | 2 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |