| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 427 |
| Windscreen wiper does not clear the windscreen effectively | 380 |
| Parking brake: efficiency below requirements |3.7.B.7| | 346 |
| Registration plate lamp issues | 282 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 236 |
| Brakes imbalanced across an axle | 220 |
| Rear parking brake recording little or no effort | 188 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 187 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 184 |
| Rear brake binding | 123 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 101 |
| Brake pipe excessively corroded | 91 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 86 |
| Service brake: efficiency below requirements |3.7.B.7| | 71 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 70 |
| Offside Stop lamp not working |1.2.1b| | 68 |
| Registration plate issues | 68 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 66 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 63 |
| Anti-lock braking system warning lamp indicates an ABS fault | 55 |
| Nearside Stop lamp not working |1.2.1b| | 45 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 44 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 44 |
| Nearside Headlamp insecure |1.7.3| | 44 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 41 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 40 |
| Parking brake lever has no reserve travel |3.1.6b| | 40 |
| Rear brake disc in such a condition that it is seriously weakened | 39 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 38 |
| Offside front brake binding |3.7.B.1| | 38 |
| Front brake application uneven | 36 |
| Rear Exhaust system not adequately supported |7.1.1| | 34 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 32 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 31 |
| Offside Rear fog lamp not working |1.3.2b| | 31 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 31 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 31 |
| Offside Rear Stop lamp not working |1.2.1b| | 29 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 28 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 28 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 28 |
| Windscreen washer not working | 26 |
| Offside Front front brake binding |3.7.B.1| | 26 |
| Nearside front brake binding |3.7.B.1| | 24 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 23 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 22 |
| Battery insecure |1.9.1| | 22 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 21 |
| Nearside Front coil spring fractured |2.4.C.1a| | 21 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 21 |
| Emissions not tested |7.0| | 21 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 21 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 21 |
| Mechanical brake component has restricted free movement | 20 |
| Nearside Front Headlamp insecure |1.7.3| | 20 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 20 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 19 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 19 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 19 |
| Offside Headlamp insecure |1.7.3| | 19 |
| Windscreen has damage | 19 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 19 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 18 |
| Offside Front coil spring broken |2.4.C.1a| | 18 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 18 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 18 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 18 |
| Bonnet cannot be secured in the closed position |8.4.1| | 17 |
| Nearside Front coil spring broken |2.4.C.1a| | 17 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 17 |
| Rear Mechanical brake component has restricted free movement | 17 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 16 |
| Rear brake application uneven | 16 |
| Front brake disc in such a condition that it is seriously weakened | 16 |
| Brake hose excessively deteriorated | 16 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 16 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 15 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 15 |
| Offside Front coil spring fractured |2.4.C.1a| | 15 |
| Exhaust system not adequately supported |7.1.1| | 15 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 15 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 15 |
| Rear fog lamp not working |1.3.2b| | 14 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 14 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 14 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 13 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 13 |
| Nearside Front front brake binding |3.7.B.1| | 13 |
| Nearside Rear Stop lamp not working |1.2.1b| | 13 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 13 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 13 |
| Windscreen wiper blade insecure | 13 |
| Rear brake disc excessively pitted |3.5.1h| | 13 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 12 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 12 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 12 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 12 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 11 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 11 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 11 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 11 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 11 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 11 |
| Fuel pipe leaking |7.2.3| | 11 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 11 |
| Offside Front Headlamp insecure |1.7.3| | 10 |
| Horn not working |1.6.2a| | 10 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 10 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 9 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 9 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 9 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 9 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 9 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 9 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 9 |
| Offside Headlamp insecure (4.1.1 (c)) | 9 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 8 |
| Centre Stop lamp not working |1.2.1b| | 8 |
| Offside Front Position lamp not working |4.2.1 |a|| | 8 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 8 |
| Nearside Headlamp insecure (4.1.1 (c)) | 8 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 8 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 8 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 8 |