| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 486 |
| Headlamp aim out of alignment | 395 |
| Registration plate lamp issues | 254 |
| Registration plate issues | 214 |
| Brake hose excessively deteriorated | 174 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 149 |
| Windscreen wiper does not clear the windscreen effectively | 123 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 87 |
| Nearside Rear Shock absorbers has a serious fluid leak | 81 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 77 |
| 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 | 66 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 63 |
| Anti-lock braking system warning lamp indicates an ABS fault | 58 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 52 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 49 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 43 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 43 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 38 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 38 |
| Brake hose damaged | 36 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 33 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 32 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 31 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 31 |
| 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 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 29 |
| Parking brake: efficiency below requirements |3.7.B.7| | 26 |
| 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 Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 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 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 18 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 17 |
| Brakes imbalanced across an axle | 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 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 16 |
| Nearside Rear Stop lamp not working |1.2.1b| | 15 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 15 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 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)) | 14 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 14 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 14 |
| Windscreen washer not working | 13 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 13 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 12 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 11 |
| Rear brake disc in such a condition that it is seriously weakened | 11 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 11 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 11 |
| Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 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 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 10 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 10 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 10 |
| Nearside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 9 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 9 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 9 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 9 |