| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 373 |
| Brake pipe excessively corroded | 358 |
| Windscreen wiper does not clear the windscreen effectively | 260 |
| Headlamp aim out of alignment | 207 |
| Rear brake binding | 196 |
| Registration plate issues | 107 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 92 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 78 |
| Brakes imbalanced across an axle | 66 |
| Parking brake: efficiency below requirements |3.7.B.7| | 59 |
| Rear Exhaust system not adequately supported |7.1.1| | 47 |
| Rear parking brake recording little or no effort | 39 |
| Exhaust system not adequately supported |7.1.1| | 37 |
| Nearside Stop lamp not working |1.2.1b| | 30 |
| Rear Mechanical brake component has restricted free movement | 29 |
| Battery insecure |1.9.1| | 27 |
| Rear fog lamp not working |1.3.2b| | 26 |
| Offside Rear fog lamp not working |1.3.2b| | 26 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 25 |
| Windscreen has damage | 25 |
| Service brake: efficiency below requirements |3.7.B.7| | 25 |
| Parking brake lever has no reserve travel |3.1.6b| | 25 |
| Offside Stop lamp not working |1.2.1b| | 24 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 24 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 23 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 21 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 21 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 21 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 20 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 20 |
| Front Exhaust system not adequately supported |7.1.1| | 20 |
| Windscreen washer not working | 18 |
| Nearside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 18 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 18 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 17 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 17 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 17 |
| Offside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 16 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 16 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Centre Stop lamp not working |1.2.1b| | 15 |
| Rear brake application uneven | 14 |
| Windscreen wiper blade insecure | 14 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 14 |
| Nearside Rear Stop lamp not working |1.2.1b| | 13 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 13 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Offside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 12 |
| Nearside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 11 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 10 |
| Mechanical brake component has restricted free movement | 10 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 10 |
| Centre Exhaust system not adequately supported |7.1.1| | 10 |
| Power steering fluid level below minimum |2.3.1| | 10 |
| Front brake disc in such a condition that it is seriously weakened | 10 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 9 |
| Anti-lock braking system warning lamp indicates an ABS fault | 9 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 9 |
| Nearside front brake binding |3.7.B.1| | 9 |
| Offside front brake binding |3.7.B.1| | 9 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 9 |
| Horn not working |1.6.2a| | 9 |
| Nearside Rear Brake lever has restricted free movement |3.5.1k| | 8 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 8 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 8 |
| Rear fog lamp tell tale not working |1.3.1b| | 8 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 8 |
| Offside Front Position lamp not working |4.2.1 |a|| | 8 |
| Offside Rear An item not tested |Manual| | 8 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 8 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 8 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 8 |
| Offside Rear Stop lamp not working |1.2.1b| | 8 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 7 |
| Offside Rear Leaf spring fractured (5.3.1 (b) (i)) | 7 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Power steering pump drive system defective |2.3.6| | 7 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 7 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 7 |
| Front brake application uneven | 7 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 6 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 6 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 6 |
| Rear Stop lamp not working |1.2.1b| | 6 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 6 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Nearside Front front brake binding |3.7.B.1| | 6 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Driver`s seat insecure |6.2.A.1| | 6 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 6 |
| Offside Front front brake binding |3.7.B.1| | 6 |
| Nearside Rear Leaf spring fractured |2.4.B.1a| | 6 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Offside Front brake disc excessively pitted |3.5.1h| | 6 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 5 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 5 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 5 |
| Brake performance not tested (1.2.1 (g)) | 5 |
| Rear Exhaust system insecure (6.1.2 (a)) | 5 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Front brake excessively fluctuating | 5 |
| Front position lamp|s| not working |1.1.A.3b| | 5 |
| Brake hose excessively deteriorated | 5 |
| Nearside Rear Exhaust system not adequately supported |7.1.1| | 5 |
| Nearside Rear An item not tested |Manual| | 5 |
| Hazard warning switch faulty |1.4.B.1d| | 5 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Emissions not tested (8.2.2.2 (e)) | 5 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 5 |
| Power steering malfunctioning |2.3.3a| | 5 |