| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 607 |
| Windscreen wiper does not clear the windscreen effectively | 418 |
| Registration plate lamp issues | 379 |
| Parking brake: efficiency below requirements |3.7.B.7| | 307 |
| Rear parking brake recording little or no effort | 212 |
| Parking brake lever has no reserve travel |3.1.6b| | 103 |
| Brake pipe excessively corroded | 76 |
| Brakes imbalanced across an axle | 74 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 67 |
| Battery insecure |1.9.1| | 61 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 61 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 49 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 48 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 47 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 38 |
| Exhaust system not adequately supported |7.1.1| | 35 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 35 |
| Nearside Stop lamp not working |1.2.1b| | 32 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 31 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 30 |
| Horn not working |1.6.2a| | 29 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 28 |
| Offside Stop lamp not working |1.2.1b| | 27 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 27 |
| Rear brake disc in such a condition that it is seriously weakened | 26 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 26 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 25 |
| Nearside Rear Stop lamp not working |1.2.1b| | 25 |
| Rear Exhaust system not adequately supported |7.1.1| | 25 |
| Offside Rear fog lamp not working |1.3.2b| | 24 |
| Anti-lock braking system warning lamp indicates an ABS fault | 24 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 22 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 22 |
| Rear brake binding | 22 |
| Nearside Rear brake caliper leaking |3.6.A.1| | 21 |
| Offside Rear brake caliper leaking |3.6.A.1| | 21 |
| Front brake application uneven | 19 |
| Offside Rear Stop lamp not working |1.2.1b| | 19 |
| Registration plate issues | 19 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 19 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 19 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 17 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 17 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 17 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 17 |
| Front brake excessively fluctuating | 16 |
| Nearside Rear Parking brake inoperative on one side |1.4.1 |a|| | 15 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 15 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 14 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 14 |
| Offside Front Shock absorbers has a serious fluid leak | 14 |
| Centre Exhaust system not adequately supported |7.1.1| | 13 |
| Windscreen wiper blade insecure | 13 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 13 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Offside Front Position lamp not working |4.2.1 |a|| | 12 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 12 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 12 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 11 |
| Rear Mechanical brake component has restricted free movement | 11 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 11 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 11 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 11 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 11 |
| Service brake: efficiency below requirements |3.7.B.7| | 11 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 11 |
| Offside Rear Hydraulic brake calliper leaking (1.1.16 (b) (i)) | 11 |
| Nearside Front Shock absorbers has a serious fluid leak | 10 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 10 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 10 |
| Offside Inner Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 10 |
| Horn not working |7.7 |a| |ii|| | 10 |
| Offside Headlamp insecure |1.7.3| | 10 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 10 |
| Rear brake application uneven | 10 |
| rear parking |secondary| brakes imbalanced | 9 |
| Offside Rear Hydraulic brake calliper leaking |1.1.16 |b| |i|| | 9 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 9 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 9 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 9 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Drivers door cannot be opened from outside the vehicle (6.2.3 (a)) | 9 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 8 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 8 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 8 |
| Windscreen has damage | 8 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 8 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 8 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 8 |
| Nearside Rear Braking system leaking |3.6.A.1| | 8 |
| Front brake disc in such a condition that it is seriously weakened | 8 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 8 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Nearside Rear Hydraulic brake calliper leaking (1.1.16 (b) (i)) | 8 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 8 |
| Offside front brake binding |3.7.B.1| | 7 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Rear Braking system leaking |3.6.A.1| | 7 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 7 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 7 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 7 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 7 |
| Brake pedal spongy |3.3.B.1b| | 7 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 7 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 7 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 7 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 7 |