| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 224 |
| Headlamp aim out of alignment | 139 |
| Windscreen wiper does not clear the windscreen effectively | 132 |
| Brake pipe excessively corroded | 89 |
| Offside Stop lamp not working |1.2.1b| | 49 |
| Horn not working |1.6.2a| | 44 |
| Nearside Stop lamp not working |1.2.1b| | 44 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 34 |
| Registration plate issues | 34 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 28 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 28 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 28 |
| Brakes imbalanced across an axle | 28 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 26 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 26 |
| Front brake disc in such a condition that it is seriously weakened | 23 |
| Rear parking brake recording little or no effort | 22 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 22 |
| Brake hose excessively deteriorated | 20 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 20 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 20 |
| Offside Front coil spring incomplete |2.4.C.1a| | 19 |
| Nearside Rear Stop lamp not working |1.2.1b| | 19 |
| Anti-lock braking system warning lamp indicates an ABS fault | 18 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 17 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 15 |
| Parking brake: efficiency below requirements |3.7.B.7| | 15 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 15 |
| Horn not working (7.7 (a)) | 14 |
| Offside Rear Stop lamp not working |1.2.1b| | 14 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 14 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 12 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 11 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 11 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 10 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 10 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 10 |
| Windscreen has damage | 9 |
| Horn not working (7.7 (a) (ii)) | 9 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 9 |
| Offside Front brake disc excessively pitted |3.5.1h| | 8 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 8 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 8 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 8 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 8 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Parking brake lever has no reserve travel |3.1.6b| | 8 |
| Rear brake application uneven | 8 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Nearside Front coil spring fractured |2.4.C.1a| | 7 |
| Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 7 |
| Offside Front coil spring broken |2.4.C.1a| | 7 |
| Rear brake binding | 7 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 6 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| 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| | 6 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 6 |
| Offside Headlamp not working on main beam |1.7.5a| | 6 |
| Windscreen wiper blade insecure | 6 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 5 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 5 |
| Windscreen washer not working | 5 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Nearside Front coil spring broken |2.4.C.1a| | 5 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 5 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 5 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| 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| | 5 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 5 |
| Fuel cap/sealing device ineffective |6.1.3 |b| |i|| | 4 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 4 |
| Rear Mechanical brake component has restricted free movement | 4 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Horn not working |7.7 |a| |ii|| | 4 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 4 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 4 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Front Position lamp not working |4.2.1 |a|| | 4 |
| Nearside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 4 |
| Offside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 4 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 4 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 4 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 4 |
| Front brake disc excessively pitted |3.5.1h| | 4 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| 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| | 4 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 4 |
| 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| | 4 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 4 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 4 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 4 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 4 |