| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 790 |
| Windscreen wiper does not clear the windscreen effectively | 515 |
| Headlamp aim out of alignment | 487 |
| Brake pipe excessively corroded | 369 |
| Brake hose excessively deteriorated | 290 |
| Registration plate issues | 112 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 83 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 83 |
| Offside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 72 |
| Parking brake: efficiency below requirements |3.7.B.7| | 71 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 67 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 63 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 63 |
| Windscreen washer not working | 61 |
| Nearside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 55 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 49 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 44 |
| Rear parking brake recording little or no effort | 43 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 42 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 39 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 38 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 38 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 37 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 34 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 33 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 32 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 31 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 29 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 28 |
| Rear brake disc in such a condition that it is seriously weakened | 28 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 27 |
| Anti-lock braking system warning lamp indicates an ABS fault | 27 |
| Brakes imbalanced across an axle | 27 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 26 |
| Electronic parking brake warning indicates a malfunction |3.1.7| | 25 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 25 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 24 |
| Offside Front Position lamp not working |4.2.1 |a|| | 24 |
| Windscreen has damage | 21 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 20 |
| Electronic parking brake warning indicates a malfunction (1.1.6 (e)) | 20 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 19 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 19 |
| Horn not working |1.6.2a| | 18 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 18 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 18 |
| Windscreen wiper blade insecure | 17 |
| Nearside Rear Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 17 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 16 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Offside Rear Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 16 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 16 |
| Nearside Front Exhaust has a major leak of exhaust gases |7.1.2| | 15 |
| Nearside Rear Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 15 |
| Offside Rear Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 14 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 14 |
| Offside Rear Suspension rod ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 14 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Nearside Rear Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 14 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 13 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 13 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 13 |
| Offside Rear Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 13 |
| Offside Rear Seat belt retracting mechanism defective |5.2.5b| | 12 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 12 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 12 |
| Rear brake binding | 12 |
| Offside Front Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 12 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Offside Rear Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 12 |
| Brake performance not tested (1.2.1 (g)) | 12 |
| Horn not working (7.7 (a)) | 12 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 11 |
| Offside Front Road wheel cracked |4.2.A.1a| | 11 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 11 |