| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 3337 |
| Brake hose excessively deteriorated | 2616 |
| Headlamp aim out of alignment | 2293 |
| Brake pipe excessively corroded | 1787 |
| Registration plate lamp issues | 1777 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1434 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1012 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 747 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 729 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 530 |
| Registration plate issues | 354 |
| Brakes imbalanced across an axle | 289 |
| Centre Stop lamp not working |1.2.1b| | 261 |
| Brake hose damaged | 245 |
| Offside Rear coil spring broken |2.4.C.1a| | 240 |
| Battery insecure |1.9.1| | 232 |
| Offside Stop lamp not working |1.2.1b| | 230 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 227 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 216 |
| Nearside Stop lamp not working |1.2.1b| | 216 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 209 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 182 |
| Offside Rear coil spring fractured |2.4.C.1a| | 182 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 180 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 156 |
| Rear Exhaust system not adequately supported |7.1.1| | 155 |
| Anti-lock braking system warning lamp indicates an ABS fault | 151 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 145 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 144 |
| Front brake disc in such a condition that it is seriously weakened | 138 |
| Windscreen has damage | 135 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 133 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 126 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 123 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 123 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 122 |
| Front Exhaust system not adequately supported |7.1.1| | 122 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 120 |
| Offside Rear fog lamp not working |1.3.2b| | 119 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 118 |
| Service brake: efficiency below requirements |3.7.B.7| | 114 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 114 |
| Windscreen wiper blade insecure | 105 |
| Offside Front Suspension arm corroded and seriously weakened |2.4.G.1| | 103 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 101 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 96 |
| Exhaust system not adequately supported |7.1.1| | 94 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 90 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 90 |
| Rear fog lamp not working |1.3.2b| | 88 |
| Offside front brake binding |3.7.B.1| | 86 |
| Nearside Rear Stop lamp not working |1.2.1b| | 85 |
| Offside Rear Stop lamp not working |1.2.1b| | 84 |
| Nearside Front Brake hose excessively damaged |3.6.B.4d| | 82 |
| Offside Front coil spring broken |2.4.C.1a| | 81 |
| Nearside Rear coil spring broken |2.4.C.1a| | 79 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 75 |
| Front brake application uneven | 75 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 74 |
| Nearside Front Suspension arm corroded and seriously weakened |2.4.G.1| | 68 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 65 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 64 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 60 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 60 |
| Emissions not tested |7.0| | 60 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 59 |
| Parking brake lever has no reserve travel |3.1.6b| | 59 |
| Power steering component|s| leaking |2.3.3b| | 59 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 58 |
| Nearside front brake binding |3.7.B.1| | 58 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 58 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 58 |
| Nearside Front coil spring broken |2.4.C.1a| | 57 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 57 |
| Nearside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 56 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 55 |
| Offside Front Lower Suspension arm corroded and seriously weakened |2.4.G.1| | 51 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 50 |