| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 2338 |
| Windscreen wiper does not clear the windscreen effectively | 1868 |
| Headlamp aim out of alignment | 1200 |
| Registration plate lamp issues | 962 |
| Parking brake: efficiency below requirements |3.7.B.7| | 784 |
| Service brake: efficiency below requirements |3.7.B.7| | 606 |
| Brakes imbalanced across an axle | 522 |
| Horn not working |1.6.2a| | 495 |
| Rear brake binding | 417 |
| Brake hose excessively deteriorated | 365 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 259 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 250 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 245 |
| Rear parking brake recording little or no effort | 224 |
| Nearside Stop lamp not working |1.2.1b| | 218 |
| Offside Stop lamp not working |1.2.1b| | 206 |
| Registration plate issues | 206 |
| Offside Rear fog lamp not working |1.3.2b| | 201 |
| Offside Side repeater not working |1.4.A.2c| | 175 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 174 |
| Battery insecure |1.9.1| | 168 |
| Exhaust system not adequately supported |7.1.1| | 165 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 164 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 162 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 162 |
| Parking brake lever has no reserve travel |3.1.6b| | 141 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 130 |
| Windscreen washer not working | 127 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 127 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 125 |
| Nearside Side repeater not working |1.4.A.2c| | 123 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 115 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 111 |
| Hazard warning switch faulty |1.4.B.1d| | 110 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 109 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 107 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 106 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 105 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 99 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 93 |
| Windscreen has damage | 91 |
| Horn not working (7.7 (a)) | 90 |
| Exhaust mounting missing |7.1.1b| | 90 |
| Rear brake application uneven | 86 |
| Offside Rear Stop lamp not working |1.2.1b| | 86 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 86 |
| Front brake disc in such a condition that it is seriously weakened | 81 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 79 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 76 |
| Nearside Rear Stop lamp not working |1.2.1b| | 73 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 73 |
| Offside Headlamp not working on main beam |1.7.5a| | 72 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 70 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 70 |
| Brake load sensing valve linkage seized |3.6.E.3| | 70 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 69 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 69 |
| Emissions not tested |7.0| | 68 |
| Offside Front Side repeater not working |1.4.A.2c| | 67 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 67 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 67 |
| Centre Exhaust system not adequately supported |7.1.1| | 66 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 65 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 64 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 63 |
| Front brake application uneven | 63 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 62 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 62 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 61 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 61 |
| Rear fog lamp not working |1.3.2b| | 60 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 60 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 59 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 59 |
| Nearside Headlamp not working on main beam |1.7.5a| | 58 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 57 |
| Centre Exhaust mounting missing |7.1.1b| | 56 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 55 |
| Fuel system component leaking |7.2.3| | 55 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 54 |
| Horn not working (7.7 (a) (ii)) | 54 |
| Rear Mechanical brake component has restricted free movement | 52 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 51 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 51 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 51 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 50 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 50 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 49 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 49 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 48 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 48 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 46 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 46 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 46 |
| Rear fog lamp tell tale not working |1.3.1b| | 46 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 46 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 45 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 45 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 45 |
| Steering column universal joint has excessive play |2.1.5| | 45 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 44 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 43 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 41 |
| Brake performance not tested |3.7.A.1| | 41 |
| Offside Steering rack gaiter split |2.2.D.2d| | 41 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 41 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 41 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 40 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 40 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 40 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 39 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 39 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 39 |
| Lower Steering column universal joint has excessive play |2.1.5| | 39 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 38 |
| Nearside Front Side repeater not working |1.4.A.2c| | 38 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 37 |
| Horn not working |7.7 |a| |ii|| | 37 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 37 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 37 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 36 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 36 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 36 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 36 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 36 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 35 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 35 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 35 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 35 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 35 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 35 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 35 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 35 |
| Windscreen wiper blade insecure | 35 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 35 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 35 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 35 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 33 |
| Nearside Front Shock absorbers has a serious fluid leak | 33 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 33 |
| Offside Front Direction indicator not working |1.4.A.2c| | 33 |
| Offside Front brake disc excessively pitted |3.5.1h| | 33 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 32 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 32 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 32 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 32 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 32 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 32 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 32 |
| Offside Front Brake pipe leaking |3.6.A.1| | 31 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 31 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 30 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 30 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 30 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 30 |
| Exhaust system insecure (6.1.2 (a)) | 30 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 30 |
| Brake hose damaged | 30 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 30 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 30 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 29 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 29 |
| Brake load sensing valve seized |3.6.E.3| | 29 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 29 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 28 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 28 |
| Rear Exhaust mounting missing |7.1.1b| | 27 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 27 |
| Offside Front Shock absorbers has a serious fluid leak | 27 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 27 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 27 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 27 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 26 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 26 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 26 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 26 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 26 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 26 |
| Front brake disc excessively pitted |3.5.1h| | 26 |
| Offside front brake binding |3.7.B.1| | 26 |
| Direction indicators not working |1.4.A.2c| | 26 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 26 |