| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 2457 |
| Brake pipe excessively corroded | 924 |
| Registration plate issues | 869 |
| Registration plate lamp issues | 612 |
| Windscreen wiper does not clear the windscreen effectively | 483 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 308 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 257 |
| Offside Front coil spring broken |2.4.C.1a| | 137 |
| Rear brake disc in such a condition that it is seriously weakened | 114 |
| Front brake disc in such a condition that it is seriously weakened | 105 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 94 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 90 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 84 |
| Nearside Front coil spring broken |2.4.C.1a| | 75 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 74 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 66 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 63 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 61 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 58 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 51 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 51 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 50 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 50 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 50 |
| Windscreen has damage | 48 |
| Nearside Stop lamp not working |1.2.1b| | 48 |
| Brakes imbalanced across an axle | 47 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 46 |
| Anti-lock braking system warning lamp indicates an ABS fault | 46 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 45 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 44 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 44 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 43 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 42 |
| Headlamp cleaning device inoperative |1.7.2| | 42 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 41 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 40 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 39 |
| Windscreen washer not working | 39 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 38 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 36 |
| Nearside Front Shock absorbers has a serious fluid leak | 34 |
| Parking brake: efficiency below requirements |3.7.B.7| | 33 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 33 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 32 |
| Offside Front coil spring incomplete |2.4.C.1a| | 31 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 31 |
| Offside Rear fog lamp not working |1.3.2b| | 29 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 29 |
| Front Headlamp cleaning device inoperative |1.7.2| | 29 |
| Offside Front brake disc excessively pitted |3.5.1h| | 28 |
| Rear parking brake recording little or no effort | 28 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 28 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 26 |