| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 332 |
| Windscreen wiper does not clear the windscreen effectively | 186 |
| Headlamp aim out of alignment | 133 |
| Registration plate lamp issues | 108 |
| Offside Stop lamp not working |1.2.1b| | 78 |
| Nearside Stop lamp not working |1.2.1b| | 77 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 52 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 48 |
| Brakes imbalanced across an axle | 48 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 43 |
| Parking brake: efficiency below requirements |3.7.B.7| | 42 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 30 |
| Registration plate issues | 30 |
| Nearside Rear Stop lamp not working |1.2.1b| | 29 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 26 |
| Offside Rear Stop lamp not working |1.2.1b| | 23 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 23 |
| Parking brake lever has no reserve travel |3.1.6b| | 23 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 22 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 21 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 21 |
| Service brake: efficiency below requirements |3.7.B.7| | 20 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 20 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 18 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 18 |
| Emissions not tested |7.0| | 18 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 18 |
| Windscreen washer not working | 17 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 16 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 16 |
| Windscreen has damage | 16 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 15 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 15 |
| Rear Exhaust system not adequately supported |7.1.1| | 15 |
| Rear brake disc in such a condition that it is seriously weakened | 14 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 14 |
| Anti-lock braking system warning lamp indicates an ABS fault | 13 |
| Nearside Front Axle swivel joint has excessive play |2.5.A.3b| | 13 |
| Rear parking brake recording little or no effort | 13 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 12 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 11 |
| Centre Stop lamp not working |1.2.1b| | 11 |
| Brake load sensing valve seized |3.6.E.3| | 11 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 10 |
| Offside Front Axle swivel joint has excessive play |2.5.A.3b| | 10 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 10 |
| Brake pedal spongy |3.3.B.1b| | 9 |
| Rear brake binding | 9 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 8 |
| Stop lamp not working |1.2.1b| | 8 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 8 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.4.B.1| | 8 |
| Service brake: efficiency below requirements |3.7.C.1a| | 8 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 8 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 8 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Front brake excessively fluctuating | 8 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 8 |
| Battery insecure |1.9.1| | 8 |
| Nearside front brake binding |3.7.B.1| | 7 |
| Offside front brake binding |3.7.B.1| | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 7 |
| Offside Rear Shock absorber insecure |2.7.2b| | 7 |
| Nearside Rear Shock absorber insecure |2.7.2b| | 7 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 7 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Front Steering damper leaking oil |2.2.C.1f| | 7 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 7 |
| Mechanical brake component has restricted free movement | 7 |
| Emissions not tested |7.4.B.1| | 7 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 7 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 6 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 6 |
| Brake load sensing valve seized but ABS functioning (1.1.17 (c) (i)) | 6 |
| Hazard warning switch faulty |1.4.B.1d| | 6 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 6 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 6 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 6 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Windscreen wiper blade insecure | 6 |
| Rear Brake load sensing valve seized |3.6.E.3| | 6 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Brake load sensing valve linkage seized |3.6.E.3| | 5 |
| Rear fog lamp not working |1.3.2b| | 5 |
| Offside Front brake disc contaminated by oil |3.5.1h| | 5 |
| Offside Front Brake hose twisted |3.6.B.4c| | 5 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 5 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 5 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 5 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Offside Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 5 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 5 |
| Offside Front Axle swivel joint has excessive play in a swivel pin |2.5.A.3b| | 5 |
| Brake hose has insufficient room to move | 5 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Fuel system component leaking |7.2.3| | 4 |
| Rear Exhaust system insecure (6.1.2 (a)) | 4 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 4 |
| Offside Front Shock absorbers insecurely attached (5.3.2 (a) (i)) | 4 |
| Offside Front Position lamp not working |4.2.1 |a|| | 4 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 4 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 4 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 4 |
| Exhaust system not adequately supported |7.1.1| | 4 |
| Nearside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 4 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 4 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 4 |
| Offside Front Lower Axle swivel joint has excessive play in a swivel pin |2.5.A.3b| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Nearside Rear Brake hose twisted |3.6.B.4c| | 4 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Hazard warning lamps inoperative |1.4.B.1b| | 4 |
| Nearside Front front brake binding |3.7.B.1| | 4 |
| Offside Front front brake binding |3.7.B.1| | 4 |
| Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 4 |
| Brake hose excessively deteriorated | 4 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 4 |