| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 353 |
| Windscreen wiper does not clear the windscreen effectively | 200 |
| Headlamp aim out of alignment | 186 |
| Registration plate lamp issues | 145 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 78 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 69 |
| Registration plate issues | 57 |
| Parking brake: efficiency below requirements |3.7.B.7| | 54 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 51 |
| Nearside Stop lamp not working |1.2.1b| | 50 |
| Brakes imbalanced across an axle | 46 |
| Offside Stop lamp not working |1.2.1b| | 46 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 44 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 40 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 37 |
| Rear parking brake recording little or no effort | 37 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 36 |
| Offside Rear fog lamp not working |1.3.2b| | 35 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 33 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 31 |
| Rear brake binding | 28 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 27 |
| Brake hose excessively deteriorated | 25 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 24 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 23 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 22 |
| Rear fog lamp not working |1.3.2b| | 22 |
| Service brake: efficiency below requirements |3.7.B.7| | 21 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 21 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 20 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 17 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 17 |
| Parking brake lever has no reserve travel |3.1.6b| | 17 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 16 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 15 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 15 |
| Nearside Rear Stop lamp not working |1.2.1b| | 14 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 14 |
| Offside Rear coil spring broken |2.4.C.1a| | 14 |
| Emissions not tested |7.0| | 14 |
| Offside Rear Shock absorbers has a serious fluid leak | 13 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 13 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Nearside Rear coil spring broken |2.4.C.1a| | 13 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Nearside front brake binding |3.7.B.1| | 12 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 11 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 11 |
| Offside Front Position lamp not working |4.2.1 |a|| | 11 |
| Offside Rear Stop lamp not working |1.2.1b| | 10 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 10 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 10 |
| Anti-lock braking system warning lamp indicates an ABS fault | 10 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 10 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Rear brake disc in such a condition that it is seriously weakened | 10 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 10 |
| 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 |
| Offside Headlamp insecure |1.7.3| | 9 |
| Steering column top mounting bracket insecure |2.1.2d| | 9 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 9 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 9 |
| Front brake application uneven | 9 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 9 |
| Windscreen has damage | 9 |
| Fuel tank leaking |7.2.3| | 8 |
| Rear fog lamp tell tale not working |1.3.1b| | 8 |
| Offside front brake binding |3.7.B.1| | 8 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 8 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 8 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 8 |
| Windscreen wiper blade insecure | 8 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 8 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Nearside Front Shock absorbers has a serious fluid leak | 7 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 7 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 7 |
| Offside Front Shock absorbers has a serious fluid leak | 7 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Rear Exhaust system not adequately supported |7.1.1| | 7 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 7 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 7 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 6 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 6 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 6 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 6 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Emissions not tested (8.2.2.2 (e)) | 6 |
| Brake pedal spongy |3.3.B.1b| | 6 |
| Trailer electrical socket insecure |1.9.3a| | 6 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 6 |
| Rear Mechanical brake component has restricted free movement | 6 |
| Offside Rear coil spring fractured |2.4.C.1a| | 6 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 6 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 6 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 6 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 5 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Rear Shock absorbers has a serious fluid leak | 5 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 5 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 5 |
| Nearside Headlamp insecure |1.7.3| | 5 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 5 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 5 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 5 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Stop lamp not working |1.2.1b| | 5 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 5 |
| Offside Front Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 5 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 5 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 5 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Offside rear brake excessively fluctuating |3.7.B.3| | 5 |
| Nearside Front front brake binding |3.7.B.1| | 5 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 5 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 5 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 5 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Brake performance not tested |3.7.A.1| | 5 |
| Front brake excessively fluctuating | 5 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 5 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 5 |
| Mechanical brake component has restricted free movement | 5 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 5 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 5 |