| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 705 |
| Windscreen wiper does not clear the windscreen effectively | 283 |
| Registration plate issues | 270 |
| Brake pipe excessively corroded | 222 |
| Registration plate lamp issues | 127 |
| Nearside Stop lamp not working |1.2.1b| | 104 |
| Offside Stop lamp not working |1.2.1b| | 87 |
| Front brake disc in such a condition that it is seriously weakened | 86 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 47 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 46 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 46 |
| Rear brake disc in such a condition that it is seriously weakened | 39 |
| Offside Rear Stop lamp not working |1.2.1b| | 36 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 36 |
| Brakes imbalanced across an axle | 29 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 29 |
| Nearside Rear Stop lamp not working |1.2.1b| | 29 |
| Nearside Front Shock absorbers has a serious fluid leak | 27 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 26 |
| Rear parking brake recording little or no effort | 24 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 24 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 24 |
| Parking brake: efficiency below requirements |3.7.B.7| | 24 |
| Offside Rear coil spring broken |2.4.C.1a| | 24 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 23 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 23 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 21 |
| Windscreen has damage | 21 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 20 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 20 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 20 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 19 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 19 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 18 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Front brake excessively fluctuating | 17 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 17 |
| Offside Front Shock absorbers has a serious fluid leak | 16 |
| Nearside Rear coil spring broken |2.4.C.1a| | 16 |
| Offside Rear fog lamp not working |1.3.2b| | 15 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 13 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Rear fog lamp not working |1.3.2b| | 13 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 13 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Nearside Front Steering rack gaiter insecure |2.2.D.2d| | 12 |
| Offside Front Position lamp not working |4.2.1 |a|| | 11 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 11 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 11 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 11 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 11 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 10 |
| Offside Front coil spring broken |2.4.C.1a| | 10 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 10 |
| Windscreen washer not working | 10 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 10 |
| Horn not working |1.6.2a| | 10 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 10 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 9 |
| Front brake disc excessively pitted |3.5.1h| | 9 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 9 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 9 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 9 |