| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 801 |
| Windscreen wiper does not clear the windscreen effectively | 639 |
| Headlamp aim out of alignment | 617 |
| Registration plate lamp issues | 609 |
| Parking brake: efficiency below requirements |3.7.B.7| | 384 |
| Brakes imbalanced across an axle | 274 |
| Rear brake binding | 174 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 167 |
| Parking brake lever has no reserve travel |3.1.6b| | 166 |
| Rear parking brake recording little or no effort | 148 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 147 |
| Battery insecure |1.9.1| | 120 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 102 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 101 |
| Service brake: efficiency below requirements |3.7.B.7| | 99 |
| Registration plate issues | 96 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 93 |
| Offside Stop lamp not working |1.2.1b| | 83 |
| Nearside Stop lamp not working |1.2.1b| | 80 |
| Offside Rear fog lamp not working |1.3.2b| | 74 |
| Rear brake application uneven | 73 |
| Windscreen washer not working | 73 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 71 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 69 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 67 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 67 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 65 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 64 |
| Front brake disc in such a condition that it is seriously weakened | 63 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 59 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 58 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 56 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 56 |
| Anti-lock braking system warning lamp indicates an ABS fault | 51 |
| Rear fog lamp not working |1.3.2b| | 50 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 47 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 45 |
| Windscreen has damage | 45 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 45 |
| Rear fog lamp tell tale not working |1.3.1b| | 45 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 42 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 42 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 41 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 40 |
| Offside Rear Stop lamp not working |1.2.1b| | 40 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 39 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 38 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 38 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 37 |
| Nearside Rear Stop lamp not working |1.2.1b| | 36 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 35 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 34 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 34 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 34 |
| Brake hose damaged | 34 |
| Brake hose excessively deteriorated | 32 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 30 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 30 |
| Horn not working |1.6.2a| | 30 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 29 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 29 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 28 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 27 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 26 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 26 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 26 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 25 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 25 |
| Offside Side repeater not working |1.4.A.2c| | 25 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 25 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 24 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 24 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 24 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 24 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 24 |
| Rear fog lamp switch faulty |1.3.1a| | 23 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 23 |
| Offside Front Position lamp not working |4.2.1 |a|| | 23 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 22 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 22 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 22 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 21 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 21 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 21 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 20 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 20 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 20 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 20 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 19 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 19 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 19 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 19 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 18 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 18 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 18 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 18 |
| Nearside Side repeater not working |1.4.A.2c| | 18 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 18 |
| Rear fog lamp switch inoperative (4.5.3 (a)) | 18 |
| Front brake application uneven | 17 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 17 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 17 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 17 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 16 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 16 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 16 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 16 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 16 |
| Nearside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 16 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 16 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 16 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 16 |
| Rear Mechanical brake component has restricted free movement | 16 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 15 |
| Windscreen wiper blade insecure | 15 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 15 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 15 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Offside Rear Service brake lagging in operation (1.2.1 (d)) | 14 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 14 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 14 |
| 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| | 14 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 14 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 14 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 14 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 14 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 14 |
| Nearside Headlamp not working on main beam |1.7.5a| | 14 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 14 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 14 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 14 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 14 |
| Offside Headlamp not working on main beam |1.7.5a| | 14 |
| Offside front brake binding |3.7.B.1| | 13 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 13 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 13 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 13 |
| Nearside Rear reflector missing |1.5.1a| | 13 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 13 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 12 |
| Offside Rear reflector missing |1.5.1a| | 12 |
| 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| | 12 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 12 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 12 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 12 |
| 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| | 12 |
| Horn not working (7.7 (a)) | 12 |