| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 54 |
| Windscreen wiper does not clear the windscreen effectively | 49 |
| Headlamp aim out of alignment | 28 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 26 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 22 |
| Rear fog lamp not working |1.3.2b| | 21 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 18 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 18 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 15 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 13 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 12 |
| Rear parking brake recording little or no effort | 12 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 11 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Registration plate issues | 10 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Registration plate lamp issues | 9 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 7 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 7 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 7 |
| Parking brake: efficiency below requirements |3.7.B.7| | 7 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 7 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 6 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 6 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 6 |
| Fuel tank leaking (6.1.3 (b) (i)) | 6 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 6 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Emissions not tested (8.2.2.2 (e)) | 5 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Offside Rear Lower Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Front Position lamp not working |4.2.1 |a|| | 5 |
| Offside Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 5 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 5 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Brakes imbalanced across an axle | 5 |
| Rear brake disc in such a condition that it is seriously weakened | 4 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Rear fog lamp switch inoperative (4.5.3 (a)) | 4 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 4 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 4 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 4 |
| Windscreen washer not working | 4 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 3 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Parking brake efficiency below requirements |3.7.E.1| | 3 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 3 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 3 |
| Rear Mechanical brake component has restricted free movement | 3 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Lower Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 3 |
| Nearside Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 3 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 3 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Nearside Front Outer Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 2 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 2 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Prop shaft joint excessively worn (6.1.7 (c) (i)) | 2 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 2 |
| Trailer electrical socket |13 pin| not operating the trailer lamps as intended |1.9.4| | 2 |
| Rear fog lamp switch inoperative (4.5.3 (a) (ii)) | 2 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 2 |
| Nearside Front Lower Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 2 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 2 |
| Stop lamp|s| all not working |4.3.1 |a| |iii|| | 2 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Nearside Front Headlamp aim not tested (4.1.2 (b)) | 2 |
| Offside Rear coil spring broken |2.4.C.1a| | 2 |
| Rear fog lamp tell-tale not working |4.9.1 |a| |ii|| | 2 |
| Offside Rear Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i)) | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Nearside Rear Lower Shock absorbers has an excessively worn bush |5.3.2 |c|| | 2 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Offside Lower Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Rear fog lamp tell tale not working |1.3.1b| | 2 |
| Offside Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 2 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 2 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Front Upper Suspension arm ball joint likely to become detached (5.3.4 (a) (ii)) | 2 |
| Offside Rear Lower Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Service brake: efficiency below requirements |3.7.C.1a| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 2 |
| Nearside Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Front Lower Suspension component ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 2 |
| Rear Exhaust has a major leak of exhaust gases Rear exhaust section broken and insecure |7.1.2| | 2 |
| Nearside Front Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 2 |