| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 436 |
| Headlamp aim out of alignment | 372 |
| Registration plate lamp issues | 245 |
| Registration plate issues | 199 |
| Brake hose excessively deteriorated | 156 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 149 |
| Windscreen wiper does not clear the windscreen effectively | 112 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 87 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 77 |
| Nearside Rear Shock absorbers has a serious fluid leak | 69 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 67 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 66 |
| Offside Rear Shock absorbers has a serious fluid leak | 56 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 48 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 43 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 43 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 42 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 38 |
| Anti-lock braking system warning lamp indicates an ABS fault | 37 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 37 |
| Brake hose damaged | 36 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 33 |
| Nearside Stop lamp not working |1.2.1b| | 29 |
| Offside Stop lamp not working |1.2.1b| | 29 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 29 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 27 |
| Parking brake: efficiency below requirements |3.7.B.7| | 26 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 24 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 23 |
| Windscreen has damage | 22 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 21 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 20 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 20 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 20 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 19 |
| Front brake disc in such a condition that it is seriously weakened | 18 |
| Offside Rear Stop lamp not working |1.2.1b| | 18 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 17 |
| Parking brake lever has no reserve travel |3.1.6b| | 17 |
| Nearside Side repeater not working |1.4.A.2c| | 17 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 17 |
| Offside Front Position lamp not working |4.2.1 |a|| | 17 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 16 |
| Offside Rear fog lamp not working |1.3.2b| | 16 |
| Rear parking brake recording little or no effort | 16 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 16 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 16 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 16 |
| Nearside Rear Stop lamp not working |1.2.1b| | 15 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 15 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 14 |
| Brakes imbalanced across an axle | 14 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 14 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 11 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 11 |
| Offside Side repeater not working |1.4.A.2c| | 10 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 10 |
| Nearside Front Brake hose excessively damaged |3.6.B.4d| | 10 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 10 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 10 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Nearside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 9 |
| Rear brake disc in such a condition that it is seriously weakened | 9 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 8 |
| Rear fog lamp not working |1.3.2b| | 8 |
| Nearside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 8 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 8 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 8 |