| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 539 |
| Headlamp aim out of alignment | 503 |
| Registration plate lamp issues | 492 |
| Windscreen wiper does not clear the windscreen effectively | 426 |
| Rear parking brake recording little or no effort | 257 |
| Brake pipe excessively corroded | 256 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 171 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 170 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 165 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 161 |
| Offside Stop lamp not working |1.2.1b| | 159 |
| Brakes imbalanced across an axle | 138 |
| Registration plate issues | 110 |
| Nearside Stop lamp not working |1.2.1b| | 109 |
| Rear brake binding | 102 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 94 |
| Parking brake lever has no reserve travel |3.1.6b| | 91 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 83 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 81 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 78 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 65 |
| Offside front brake binding |3.7.B.1| | 63 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 63 |
| Nearside Rear Stop lamp not working |1.2.1b| | 61 |
| Rear brake disc in such a condition that it is seriously weakened | 60 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 59 |
| Offside Rear Stop lamp not working |1.2.1b| | 58 |
| Nearside front brake binding |3.7.B.1| | 55 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 55 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 54 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 54 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 52 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 51 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 49 |
| Front brake disc in such a condition that it is seriously weakened | 45 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 43 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 41 |
| Front brake application uneven | 39 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 39 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 36 |
| Rear brake application uneven | 35 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 33 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 33 |
| Horn not working |1.6.2a| | 32 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 32 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 31 |
| Mechanical brake component has restricted free movement | 30 |
| Offside Rear fog lamp not working |1.3.2b| | 29 |
| Offside Front front brake binding |3.7.B.1| | 29 |
| Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 29 |
| Service brake: efficiency below requirements |3.7.B.7| | 28 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 27 |
| Nearside Front front brake binding |3.7.B.1| | 27 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 27 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 26 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 26 |
| Windscreen wiper blade insecure | 25 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 25 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 25 |
| Battery insecure |1.9.1| | 24 |
| Windscreen has damage | 24 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 23 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 21 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 21 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 21 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 20 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 20 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 19 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 19 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 19 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 19 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 19 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 18 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 18 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 18 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 17 |
| Anti-lock braking system warning lamp indicates an ABS fault | 17 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 17 |
| Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 17 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 17 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 16 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 16 |
| Rear Mechanical brake component has restricted free movement | 16 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 15 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 15 |
| Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Offside Front coil spring fractured |2.4.C.1a| | 14 |
| Emissions not tested |7.0| | 14 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 14 |
| Front position lamp|s| not working |1.1.A.3b| | 13 |
| Offside Rear brake disc excessively scored |3.5.1h| | 13 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 13 |
| Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 13 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Direction indicators incorrect colour |1.4.A.2f| | 12 |
| Rear fog lamp not working |1.3.2b| | 12 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 12 |
| Offside Rear Seat belt retracting mechanism defective |5.2.5b| | 11 |
| Nearside Headlamp insecure |1.7.3| | 11 |
| Direction indicator incorrect colour |1.4.A.2f| | 11 |
| Offside Front coil spring broken |2.4.C.1a| | 11 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 11 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 11 |
| Nearside Front Headlamp insecure |1.7.3| | 11 |
| Stop lamp remains on when the brakes are released | 10 |
| Nearside Headlamp not working on main beam |1.7.5a| | 10 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 10 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 10 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 10 |
| Offside Headlamp not working on main beam |1.7.5a| | 10 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Offside Front coil spring incomplete |2.4.C.1a| | 10 |
| Nearside Rear brake disc excessively scored |3.5.1h| | 10 |
| Front brake disc excessively pitted |3.5.1h| | 10 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 10 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 10 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 10 |
| Nearside Front coil spring fractured |2.4.C.1a| | 10 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 9 |
| Offside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 9 |
| Nearside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Offside Side repeater not working |1.4.A.2c| | 9 |
| Nearside Outer Front Front constant velocity joint gaiter split |2.5.C.1a| | 9 |
| Nearside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Exhaust system not adequately supported |7.1.1| | 9 |