| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 76 |
| Windscreen wiper does not clear the windscreen effectively | 56 |
| Brake pipe excessively corroded | 37 |
| Parking brake: efficiency below requirements |3.7.B.7| | 36 |
| Rear parking brake recording little or no effort | 22 |
| Nearside Stop lamp not working |1.2.1b| | 21 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 14 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 14 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 12 |
| Offside Stop lamp not working |1.2.1b| | 12 |
| Brakes imbalanced across an axle | 12 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 10 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 10 |
| Nearside Rear Stop lamp not working |1.2.1b| | 9 |
| Horn not working |1.6.2a| | 9 |
| Front brake disc in such a condition that it is seriously weakened | 9 |
| Registration plate lamp issues | 9 |
| Registration plate issues | 8 |
| Anti-lock braking system warning lamp indicates an ABS fault | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 7 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 6 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Windscreen has damage | 5 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Offside Rear fog lamp not working |1.3.2b| | 5 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Rear brake disc in such a condition that it is seriously weakened | 5 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 5 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Rear coil spring broken |2.4.C.1a| | 4 |
| Rear brake application uneven | 4 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Rear Exhaust system not adequately supported |7.1.1| | 4 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear coil spring broken |2.4.C.1a| | 3 |
| Offside Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 3 |
| Front brake application uneven | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 3 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 2 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 2 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Rear Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Front Sub-frame corroded and seriously weakened (5.3.3 (b) (i)) | 2 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill |5.3.6 |a| |i|| | 2 |
| Centre Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Offside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 2 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 2 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Front brake excessively fluctuating | 2 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 2 |
| Emissions not tested (8.2.1.2 (d)) | 2 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded outer sill |2.4.A.3| | 2 |
| Offside Rear Lower Suspension arm corroded and seriously weakened |2.4.G.1| | 2 |
| Nearside Rear Outer Suspension component mounting prescribed area is excessively corroded sill |2.4.A.3| | 2 |
| Offside Rear Body has a projection caused by damage |6.1.C.1| | 2 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 2 |
| Brake hose excessively deteriorated | 2 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 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 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Headlamp insecure |1.7.3| | 2 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 2 |
| Nearside front brake binding |3.7.B.1| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Front coil spring broken |2.4.C.1a| | 2 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Rear brake binding | 2 |
| Driver`s airbag obviously defective |5.4.1| | 2 |