| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 227 |
| Windscreen wiper does not clear the windscreen effectively | 120 |
| Registration plate issues | 78 |
| Brake pipe excessively corroded | 72 |
| Registration plate lamp issues | 56 |
| Centre Stop lamp not working |1.2.1b| | 30 |
| Anti-lock braking system warning lamp indicates an ABS fault | 23 |
| Parking brake: efficiency below requirements |3.7.B.7| | 22 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 20 |
| Front Steering damper leaking oil |2.2.C.1f| | 18 |
| Nearside Stop lamp not working |1.2.1b| | 17 |
| Rear parking brake recording little or no effort | 16 |
| Offside Stop lamp not working |1.2.1b| | 14 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 14 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 13 |
| Brake hose excessively deteriorated | 13 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 13 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 13 |
| Windscreen washer not working | 13 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 13 |
| Parking brake lever has no reserve travel |3.1.6b| | 13 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Nearside Rear Stop lamp not working |1.2.1b| | 12 |
| Offside Rear fog lamp not working |1.3.2b| | 12 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 12 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 11 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 11 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 10 |
| Front brake disc in such a condition that it is seriously weakened | 10 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 10 |
| Brakes imbalanced across an axle | 9 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 9 |
| Centre Rear Stop lamp not working |1.2.1b| | 9 |
| Nearside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 8 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 8 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 8 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Service brake: efficiency below requirements |3.7.B.7| | 7 |
| Offside Rear Stop lamp not working |1.2.1b| | 7 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 7 |
| Nearside Front Shock absorbers has a serious fluid leak | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Stop lamp not working |1.2.1b| | 7 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 6 |
| Rear brake disc in such a condition that it is seriously weakened | 6 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 6 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 6 |
| Windscreen has damage | 6 |
| Horn not working |1.6.2a| | 6 |
| Upper Stop lamp not working |1.2.1b| | 5 |
| Rear fog lamp tell tale not working |1.3.1b| | 5 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 5 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 5 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 5 |
| Offside Front Shock absorbers has a serious fluid leak | 5 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 5 |
| Nearside Front coil spring fractured |2.4.C.1a| | 5 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 5 |
| Brake performance not tested (1.2.1 (g)) | 5 |
| Bonnet cannot be secured in the closed position |8.4.1| | 5 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 4 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 4 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 4 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Centre Exhaust system not adequately supported |7.1.1| | 4 |
| Rear fog lamp not working |1.3.2b| | 4 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 4 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Centre Front Steering damper leaking oil |2.2.C.1f| | 4 |
| Offside Front coil spring broken |2.4.C.1a| | 4 |