| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5327 |
| Brake pipe excessively corroded | 5282 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3899 |
| Windscreen wiper does not clear the windscreen effectively | 3688 |
| Rear brake binding | 2821 |
| Rear parking brake recording little or no effort | 2751 |
| Brakes imbalanced across an axle | 2580 |
| Registration plate lamp issues | 1419 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1176 |
| Service brake: efficiency below requirements |3.7.B.7| | 1018 |
| Parking brake lever has no reserve travel |3.1.6b| | 807 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 768 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 746 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 645 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 580 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 506 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 503 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 494 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 476 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 470 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 455 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 432 |
| Emissions not tested |7.0| | 403 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 353 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 337 |
| Rear Mechanical brake component has restricted free movement | 315 |
| Fuel tank leaking |7.2.3| | 309 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 293 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 271 |
| Offside front brake binding |3.7.B.1| | 270 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 265 |
| Front brake application uneven | 261 |
| Offside Front coil spring broken |2.4.C.1a| | 259 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 249 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 229 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 225 |
| Rear brake application uneven | 219 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 214 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 204 |
| Battery insecure |1.9.1| | 198 |
| Registration plate issues | 195 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 192 |
| Windscreen wiper blade insecure | 186 |
| Windscreen washer not working | 185 |
| Nearside Stop lamp not working |1.2.1b| | 181 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 178 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 178 |
| Offside Stop lamp not working |1.2.1b| | 176 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 174 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 173 |
| Brake hose excessively deteriorated | 171 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 166 |
| 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| | 159 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 157 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 156 |
| Offside Front front brake binding |3.7.B.1| | 156 |
| 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| | 155 |
| Offside Headlamp insecure |1.7.3| | 143 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 140 |
| Nearside front brake binding |3.7.B.1| | 138 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 134 |
| Nearside Headlamp insecure |1.7.3| | 133 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 128 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 126 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 126 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 122 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 118 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 114 |
| Windscreen has damage | 114 |
| Front brake disc in such a condition that it is seriously weakened | 114 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 112 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 111 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 109 |
| 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| | 109 |
| Mechanical brake component has restricted free movement | 108 |
| 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| | 104 |
| Offside Side repeater not working |1.4.A.2c| | 100 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 99 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 98 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 97 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 95 |
| Nearside Side repeater not working |1.4.A.2c| | 95 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 95 |
| Offside Rear Brake lever has restricted free movement |3.5.1k| | 90 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 87 |
| Offside Front Direction indicator not working |1.4.A.2c| | 86 |
| Emissions not tested |7.3.A.1| | 86 |
| Driver`s seat insecure |6.2.A.1| | 86 |
| Horn not working |1.6.2a| | 85 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 84 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 81 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 76 |
| Nearside Front front brake binding |3.7.B.1| | 75 |
| Nearside Rear Stop lamp not working |1.2.1b| | 74 |
| Nearside Headlamp not working on main beam |1.7.5a| | 74 |
| rear brake recording little or no effort |3.7.B.5a| | 72 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 72 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 72 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 70 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 70 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 69 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 67 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 66 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 66 |
| Offside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 66 |
| Exhaust system not adequately supported |7.1.1| | 64 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 64 |