| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 12 |
| Horn not working |1.6.2a| | 9 |
| Headlamp aim out of alignment | 6 |
| Windscreen wiper does not clear the windscreen effectively | 5 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Brakes imbalanced across an axle | 3 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 2 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Anti-lock braking system warning lamp indicates an ABS fault | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Semaphore indicator switch faulty |1.4.C.1c| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Emissions not tested |7.0| | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Battery insecure |1.9.1| | 1 |
| Windscreen wiper blade insecure | 1 |
| Offside Front Lower engine mounting deteriorated resulting in excessive movement next to drive shaft |6.1.D.1a| | 1 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 1 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 1 |
| Nearside Front Side repeater not working |1.4.A.2c| | 1 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Headlamp aim projected beam image is obviously incorrect Both (4.1.2 (c)) | 1 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 1 |
| Indicator switch faulty |1.4.A.1| | 1 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Rear rear brake juddering severely |3.7.A.5b| | 1 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Rear coil spring broken |2.4.C.1a| | 1 |
| Offside Rear coil spring broken |2.4.C.1a| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Exhaust mounting missing |7.1.1b| | 1 |
| Offside Front Road wheel bead rim badly distorted |4.2.A.1a| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Headlamp aim not tested |1.8.A.1c| | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Registration plate issues | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1 |