| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 527 |
| Headlamp aim out of alignment | 421 |
| Registration plate lamp issues | 288 |
| Brake pipe excessively corroded | 193 |
| Brakes imbalanced across an axle | 186 |
| Horn not working |1.6.2a| | 170 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 166 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 165 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 141 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 118 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 115 |
| Offside Rear fog lamp not working |1.3.2b| | 112 |
| Rear brake binding | 105 |
| Rear fog lamp not working |1.3.2b| | 95 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 79 |
| Service brake: efficiency below requirements |3.7.B.7| | 76 |
| Brake hose excessively deteriorated | 73 |
| Rear brake application uneven | 67 |
| Offside Stop lamp not working |1.2.1b| | 65 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 64 |
| Nearside Stop lamp not working |1.2.1b| | 60 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 58 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 58 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 56 |
| Registration plate issues | 55 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 53 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 53 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 52 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 52 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 47 |
| Rear fog lamp tell tale not working |1.3.1b| | 47 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 46 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 46 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 46 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 45 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 45 |
| Emissions not tested |7.0| | 45 |
| Battery insecure |1.9.1| | 43 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 43 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 43 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 38 |
| Offside Rear coil spring fractured |2.4.C.1a| | 38 |
| Exhaust system not adequately supported |7.1.1| | 37 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 36 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 35 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 33 |
| Parking brake: efficiency below requirements |3.7.B.7| | 33 |
| Centre Exhaust system not adequately supported |7.1.1| | 32 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 32 |
| Nearside Rear Stop lamp not working |1.2.1b| | 31 |
| Horn not working (7.7 (a)) | 31 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 31 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 30 |
| Windscreen has damage | 30 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 29 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 29 |
| Brake load sensing valve linkage seized |3.6.E.3| | 29 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 28 |
| Nearside Rear coil spring broken |2.4.C.1a| | 28 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 28 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 27 |
| Offside Rear coil spring broken |2.4.C.1a| | 26 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 26 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 26 |
| Windscreen washer not working | 25 |
| Offside Rear Stop lamp not working |1.2.1b| | 25 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 25 |
| Horn not working (7.7 (a) (ii)) | 24 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 24 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 24 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 23 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 23 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 22 |
| Front brake disc in such a condition that it is seriously weakened | 22 |
| Rear parking brake recording little or no effort | 22 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 21 |
| Rear fog lamp switch faulty |1.3.1a| | 21 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 21 |
| Steering column top bearing excessively worn |2.1.2c| | 20 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 20 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 20 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 20 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 20 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 19 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 19 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 19 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 19 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 18 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 18 |
| Offside Steering rack gaiter split |2.2.D.2d| | 18 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 18 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 18 |
| Brake load sensing valve seized |3.6.E.3| | 17 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 17 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 16 |
| 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| | 16 |
| Rear fog lamp switch inoperative (4.5.3 (a)) | 16 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 16 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 16 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 16 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 16 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 15 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 15 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 15 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 15 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 15 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 15 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 15 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 14 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 14 |
| Front brake application uneven | 14 |
| Rear Mechanical brake component has restricted free movement | 14 |
| Offside front brake binding |3.7.B.1| | 14 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 14 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 13 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Hazard warning switch faulty |1.4.B.1d| | 13 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 13 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 13 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 13 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 13 |
| Main beam `tell-tale` not working |1.7.4c| | 12 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 12 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 12 |
| Emissions unable to be completed (8.2.1.2 (d)) | 12 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 12 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 12 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 12 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 12 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 11 |
| Emissions not tested |7.3.A.1| | 11 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 11 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 11 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 11 |
| Offside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 11 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Offside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 11 |
| Centre Exhaust mounting missing |7.1.1b| | 11 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Rear Rear fog lamp not working |1.3.2b| | 10 |
| Rear Exhaust system not adequately supported |7.1.1| | 10 |
| Emissions not tested (8.2.1.2 (d)) | 10 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 10 |
| Offside Rear fog lamp missing |1.3.2a| | 10 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 10 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 10 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 10 |
| Offside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 10 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 10 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Mechanical brake component has restricted free movement | 10 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 9 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 9 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Nearside Front Brake hose bulging under pressure (1.1.12 (d)) | 9 |
| Exhaust mounting missing |7.1.1b| | 9 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 9 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 9 |
| Nearside front brake binding |3.7.B.1| | 9 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 9 |
| Nearside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 9 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 9 |