| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 668 |
| Windscreen wiper does not clear the windscreen effectively | 492 |
| Registration plate lamp issues | 456 |
| Headlamp aim out of alignment | 331 |
| Rear brake binding | 312 |
| Registration plate issues | 173 |
| Brakes imbalanced across an axle | 124 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 118 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 95 |
| Parking brake: efficiency below requirements |3.7.B.7| | 94 |
| Rear Exhaust system not adequately supported |7.1.1| | 85 |
| Rear parking brake recording little or no effort | 69 |
| Exhaust system not adequately supported |7.1.1| | 62 |
| Offside Stop lamp not working |1.2.1b| | 57 |
| Nearside Stop lamp not working |1.2.1b| | 55 |
| Rear Mechanical brake component has restricted free movement | 44 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 44 |
| Offside Rear fog lamp not working |1.3.2b| | 41 |
| Parking brake lever has no reserve travel |3.1.6b| | 40 |
| Windscreen washer not working | 39 |
| Front Exhaust system not adequately supported |7.1.1| | 38 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 37 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 37 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 36 |
| Service brake: efficiency below requirements |3.7.B.7| | 36 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 35 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 34 |
| Nearside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 33 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 32 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 30 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 30 |
| Offside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 30 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 29 |
| Anti-lock braking system warning lamp indicates an ABS fault | 29 |
| Battery insecure |1.9.1| | 28 |
| Rear fog lamp not working |1.3.2b| | 26 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 26 |
| Front brake disc in such a condition that it is seriously weakened | 26 |
| Rear brake application uneven | 26 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 26 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 25 |
| Power steering malfunctioning |2.3.3a| | 23 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 23 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 22 |
| Nearside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 22 |
| Offside Rear Stop lamp not working |1.2.1b| | 22 |
| Nearside Rear Stop lamp not working |1.2.1b| | 21 |
| Centre Exhaust system not adequately supported |7.1.1| | 20 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 20 |
| Offside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 20 |
| Windscreen has damage | 19 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 19 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 19 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 18 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 18 |
| Offside front brake binding |3.7.B.1| | 18 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 18 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 17 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 17 |
| Brake hose excessively deteriorated | 17 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 16 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 16 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 15 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 15 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 15 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 15 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 15 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 15 |
| Windscreen wiper blade insecure | 15 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 14 |
| Horn not working |1.6.2a| | 14 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 14 |
| Offside Rear Leaf spring fractured |2.4.B.1a| | 14 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 14 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 14 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 13 |
| Front brake excessively fluctuating | 13 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 12 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 12 |
| Trailer electrical socket insecure |1.9.3a| | 12 |
| Mechanical brake component has restricted free movement | 11 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 11 |
| Power steering pump drive system defective |2.3.6| | 11 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Nearside Rear Leaf spring fractured |2.4.B.1a| | 11 |
| Front brake application uneven | 11 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 10 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Rear fog lamp tell tale not working |1.3.1b| | 10 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 10 |
| Nearside Steering pivot point has excessive play |2.2.B.1g| | 10 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 10 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 10 |
| Nearside front brake binding |3.7.B.1| | 9 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 9 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 9 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 9 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 9 |
| Rear Exhaust system insecure (6.1.2 (a)) | 9 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 9 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 9 |
| Brake performance not tested |3.7.A.1| | 9 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 9 |
| Emissions not tested |7.0| | 9 |
| Nearside Rear Brake pipe inadequately clipped |3.6.B.1| | 9 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 9 |
| Nearside Rear Exhaust system not adequately supported |7.1.1| | 9 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 9 |
| Offside Rear Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i)) | 9 |
| Nearside Rear Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i)) | 9 |
| Centre Stop lamp not working |1.2.1b| | 9 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 8 |
| Rear fog lamp emits a light other than red |1.3.2e| | 8 |
| Hazard warning switch faulty |1.4.B.1d| | 8 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 8 |
| Power steering fluid level below minimum |2.3.1| | 8 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 8 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 8 |
| Steering box has a significant oil leak |2.2.D.2e| | 8 |