| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 299 |
| Windscreen wiper does not clear the windscreen effectively | 210 |
| Registration plate issues | 112 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 66 |
| Registration plate lamp issues | 46 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 37 |
| Anti-lock braking system warning lamp indicates an ABS fault | 34 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 32 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 28 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 27 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 27 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 23 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 23 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 19 |
| Offside Stop lamp not working |1.2.1b| | 17 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 16 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 16 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 15 |
| Parking brake: efficiency below requirements |3.7.B.7| | 14 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 14 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 14 |
| Nearside Stop lamp not working |1.2.1b| | 14 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 13 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 12 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 12 |
| Nearside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 12 |
| Windscreen washer not working | 12 |
| Rear parking brake recording little or no effort | 10 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 10 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 10 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 9 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 9 |
| Brake pipe excessively corroded | 9 |
| Brakes imbalanced across an axle | 8 |
| Offside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 8 |
| Offside front brake binding |3.7.B.1| | 7 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 7 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 7 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Emissions not tested (8.2.1.2 (d)) | 7 |
| Parking brake lever has no reserve travel |3.1.6b| | 6 |
| Front brake disc in such a condition that it is seriously weakened | 6 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 6 |
| Offside Rear fog lamp not working |1.3.2b| | 6 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 6 |
| Windscreen has damage | 6 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 6 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Nearside front brake binding |3.7.B.1| | 5 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 5 |
| Exhaust emissions likely to be affected by an exhaust leak |8.2.1.1 |b|| | 5 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 5 |
| Rear Exhaust system not adequately supported |7.1.1| | 5 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 5 |
| Nearside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 4 |
| Battery insecure |1.9.1| | 4 |
| Emissions unable to be completed (8.2.1.2 (d)) | 4 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Headlamp levelling device inoperative (4.1.5 (a)) | 4 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Offside Headlamp not working on main beam |1.7.5a| | 4 |
| Nearside Front Upper Ball joint has excessive play |2.2.B.1f| | 4 |
| Offside Front coil spring broken |2.4.C.1a| | 4 |
| Nearside Front front brake binding |3.7.B.1| | 4 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Headlamp levelling device obviously defective |1.7.2| | 4 |
| Nearside Front Upper Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 4 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Headlamp cleaning device inoperative |1.7.2| | 4 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 4 |
| Mechanical brake component has restricted free movement | 4 |