| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 545 |
| Registration plate lamp issues | 299 |
| Headlamp aim out of alignment | 294 |
| Windscreen wiper does not clear the windscreen effectively | 251 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 150 |
| Registration plate issues | 85 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 83 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 82 |
| Parking brake: efficiency below requirements |3.7.B.7| | 76 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 65 |
| Rear parking brake recording little or no effort | 58 |
| Brakes imbalanced across an axle | 49 |
| Anti-lock braking system warning lamp indicates an ABS fault | 48 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 48 |
| Offside Stop lamp not working |1.2.1b| | 47 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 46 |
| Nearside Stop lamp not working |1.2.1b| | 44 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 38 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 36 |
| Offside Rear fog lamp not working |1.3.2b| | 32 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 32 |
| Offside Rear Stop lamp not working |1.2.1b| | 29 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 23 |
| Rear brake binding | 23 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 22 |
| Nearside Rear Stop lamp not working |1.2.1b| | 22 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 22 |
| Service brake: efficiency below requirements |3.7.B.7| | 22 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 21 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 21 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 21 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 21 |
| Rear brake application uneven | 20 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 19 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 19 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 18 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 18 |
| Horn not working |1.6.2a| | 18 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 17 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 15 |
| Windscreen wiper blade insecure | 15 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 15 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 15 |
| Front brake disc in such a condition that it is seriously weakened | 15 |
| Emissions not tested |7.0| | 15 |
| Rear fog lamp switch faulty |1.3.1a| | 15 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 14 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 14 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 14 |
| Brake hose excessively deteriorated | 14 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 14 |
| Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Windscreen has damage | 13 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 13 |
| Front brake application uneven | 13 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 12 |
| Front position lamp|s| not working |1.1.A.3b| | 12 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 12 |
| Rear fog lamp not working |1.3.2b| | 12 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 12 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 11 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 11 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 11 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 11 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Parking brake lever has no reserve travel |3.1.6b| | 10 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 10 |
| Battery insecure |1.9.1| | 10 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 10 |
| Rear fog lamp tell tale not working |1.3.1b| | 9 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 9 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 9 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 9 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Centre Stop lamp not working |1.2.1b| | 8 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 8 |
| Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 8 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 7 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 7 |
| Fuel tank leaking |7.2.3| | 7 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 7 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 7 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Front Front position lamp|s| not working |1.1.A.3b| | 7 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 6 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 6 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Brake pedal spongy |3.3.B.1b| | 6 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 6 |
| Rear Rear fog lamp not working |1.3.2b| | 6 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 6 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| rear brakes release unevenly |3.7.B.4| | 6 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 6 |
| Offside Ball joint has excessive play |2.2.B.1f| | 5 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 5 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 5 |
| Offside Rear Anti-roll bar linkage insecure |2.4.G.1| | 5 |
| Centre Rear Stop lamp not working |1.2.1b| | 5 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 5 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 5 |
| Offside rear brake grabbing severely |3.7.A.5b| | 5 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 5 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 5 |
| Nearside Rear Anti-roll bar linkage insecure |2.4.G.1| | 5 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 5 |
| Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 5 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 5 |
| Rear Brake cable insecure | 5 |
| Nearside rear brake grabbing severely |3.7.A.5b| | 5 |