| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 315 |
| Brake pipe excessively corroded | 305 |
| Windscreen wiper does not clear the windscreen effectively | 260 |
| Registration plate lamp issues | 227 |
| Brakes imbalanced across an axle | 148 |
| Parking brake: efficiency below requirements |3.7.B.7| | 144 |
| Brake hose excessively deteriorated | 133 |
| Rear brake binding | 102 |
| Exhaust system not adequately supported |7.1.1| | 100 |
| Service brake: efficiency below requirements |3.7.B.7| | 91 |
| Rear parking brake recording little or no effort | 84 |
| Offside Rear fog lamp not working |1.3.2b| | 70 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 65 |
| Offside Headlamp not working on main beam |1.7.5a| | 62 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 62 |
| Battery insecure |1.9.1| | 61 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 59 |
| Offside Headlamp insecure |1.7.3| | 59 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 57 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 56 |
| Horn not working |1.6.2a| | 52 |
| Nearside Headlamp insecure |1.7.3| | 46 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 45 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 41 |
| Nearside Headlamp not working on main beam |1.7.5a| | 40 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 39 |
| Registration plate issues | 38 |
| Windscreen washer not working | 38 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 38 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 37 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 36 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 36 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 35 |
| Nearside Stop lamp not working |1.2.1b| | 35 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 34 |
| Brake load sensing valve linkage seized |3.6.E.3| | 34 |
| Rear brake application uneven | 34 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 34 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 34 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 33 |
| Offside Front Direction indicator not working |1.4.A.2c| | 30 |
| Rear fog lamp not working |1.3.2b| | 29 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 29 |
| Offside Front brake disc excessively pitted |3.5.1h| | 29 |
| Offside Stop lamp not working |1.2.1b| | 29 |
| Rear Exhaust system not adequately supported |7.1.1| | 28 |
| Exhaust mounting missing |7.1.1b| | 27 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 25 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 25 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 25 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 24 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 24 |
| Parking brake lever has no reserve travel |3.1.6b| | 23 |
| Rear Mechanical brake component has restricted free movement | 22 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 22 |
| Front brake application uneven | 22 |
| Nearside Side repeater not working |1.4.A.2c| | 22 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 22 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 21 |
| Emissions not tested |7.0| | 21 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 21 |
| Offside front brake binding |3.7.B.1| | 21 |
| Fuel system component leaking |7.2.3| | 20 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 20 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 20 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 20 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 19 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 19 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 19 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 19 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 19 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 19 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 19 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 18 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Centre Exhaust system not adequately supported |7.1.1| | 18 |
| Front brake disc in such a condition that it is seriously weakened | 18 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 18 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 18 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 18 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 17 |
| Centre Exhaust mounting missing |7.1.1b| | 17 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 17 |
| Exhaust system insecure (6.1.2 (a)) | 17 |
| Offside Front Headlamp insecure |1.7.3| | 16 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 16 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 16 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 16 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 16 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 16 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 15 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 15 |
| Offside Rear fog lamp missing |1.3.2a| | 15 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 15 |
| Nearside Front Headlamp insecure |1.7.3| | 15 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 15 |
| Rear Exhaust mounting missing |7.1.1b| | 15 |
| Nearside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 15 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 15 |
| Hazard warning switch faulty |1.4.B.1d| | 14 |
| Offside Rear Stop lamp not working |1.2.1b| | 14 |
| Rear fog lamp tell tale not working |1.3.1b| | 14 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 14 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 14 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 14 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 14 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 13 |
| Nearside Rear Stop lamp not working |1.2.1b| | 13 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 13 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 13 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 13 |
| Offside Side repeater not working |1.4.A.2c| | 13 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 13 |
| Direction indicators not working |1.4.A.2c| | 13 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 13 |
| Horn not working (7.7 (a)) | 13 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 12 |
| Nearside front brake binding |3.7.B.1| | 12 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 12 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 12 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 12 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 12 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 12 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 12 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Brake performance not tested |3.7.A.1| | 12 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 12 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 12 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Offside Front Direction indicators not working |1.4.A.2c| | 11 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 11 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 11 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 11 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 11 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 11 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 11 |
| Hazard warning lamps inoperative |1.4.B.1b| | 11 |
| Windscreen wiper blade insecure | 11 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 11 |
| Offside Headlamp insecure (4.1.1 (c)) | 11 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 10 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Front Exhaust system not adequately supported |7.1.1| | 10 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 10 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 10 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 10 |
| Front brake disc excessively pitted |3.5.1h| | 10 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 10 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 10 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Brake pedal spongy |3.3.B.1b| | 9 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 9 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 9 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 9 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Brake load sensing valve seized |3.6.E.3| | 9 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 9 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 9 |
| Offside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 9 |
| Front passenger seat insecure |6.2.3| | 9 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 9 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 9 |
| Offside Steering rack gaiter split |2.2.D.2d| | 9 |
| Brake hose damaged | 9 |
| Windscreen wiper not working (3.4 (a)) | 9 |
| All direction indicators not working (4.4.1 (a) (ii)) | 9 |
| Offside Front Side repeater not working |1.4.A.2c| | 8 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 8 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Driver`s seat insecure |6.2.A.1| | 8 |
| Offside Front Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 8 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Offside Headlamp insecure |4.1.1 |c|| | 8 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 8 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 8 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 8 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 8 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 8 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 8 |
| Nearside Headlamp insecure (4.1.1 (c)) | 8 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 8 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 8 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 8 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 8 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 8 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 7 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 7 |
| Offside Headlamp aim not tested |1.8.A.1c| | 7 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 7 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 7 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 7 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Offside Front Brake pipe leaking |3.6.A.1| | 7 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 7 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 7 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 7 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 7 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 7 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 6 |
| Nearside Front Side repeater not working |1.4.A.2c| | 6 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 6 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 6 |
| Horn not working |7.7 |a| |ii|| | 6 |
| Exhaust system insecure |6.1.2 |a|| | 6 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 6 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 6 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 6 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 6 |
| All position lamps not working |1.1.A.3b| | 6 |
| Nearside Front front brake binding |3.7.B.1| | 6 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 6 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 6 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Windscreen has damage | 6 |
| Nearside Front Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 6 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 6 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 6 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 6 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 6 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 6 |
| Nearside Headlamp light intensity severely reduced (4.1.4 (a)) | 6 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 6 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |