| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 17 |
| Windscreen wiper does not clear the windscreen effectively | 17 |
| Rear brake binding | 10 |
| Brakes imbalanced across an axle | 7 |
| Registration plate lamp issues | 4 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 3 |
| Offside Stop lamp not working |1.2.1b| | 3 |
| Rear parking brake recording little or no effort | 3 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 2 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Headlamp levelling device inoperative (4.1.5 (a)) | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Stop lamp not working |1.2.1b| | 2 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Rear Mechanical brake component has restricted free movement | 2 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering chassis leg by flex pipe (6.1.1 (c) (ii)) | 1 |
| Nearside Front Front position lamp|s| not working top lamp out |1.1.A.3b| | 1 |
| Nearside Rear Rear position lamp|s| not working top lamp out |1.1.A.3b| | 1 |
| Rear Direction indicator incorrect colour both sides lost colour |1.4.A.2f| | 1 |
| Rear Upper Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Front Headlamp adversely affected by the operation of another lamp |1.7.5c| | 1 |
| Offside Rear Upper Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Upper Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear An item not tested |Manual| | 1 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Centre Stop lamp has less than 50% of the light sources illuminating |1.2.1b| | 1 |
| Nearside Front Brake prescribed area is excessively corroded (1.1.21 (e) (i)) | 1 |
| Offside Front Subframe mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Headlamp insecure |1.7.3| | 1 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner sill (5.3.6 (a) (i)) | 1 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Rear rear brake recording little or no effort slow to operate |3.7.B.5a| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Vehicle structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting Inner wheel arch (6.2.2 (d) (i)) | 1 |
| Emissions unable to be completed Exhaust emitting smoke (8.2.2.2 (e)) | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Battery insecure |1.9.1| | 1 |
| Towbar component insecure |6.6.1| | 1 |
| Towbar fixing obviously of an inappropriate size |6.6.2| | 1 |
| Nearside Vehicle structure has excessive damage seriously affecting its strength within 30cm of a towbar mounting |6.6.6| | 1 |
| Offside Vehicle structure has excessive damage seriously affecting its strength within 30cm of a towbar mounting |6.6.6| | 1 |
| Rear brake application uneven | 1 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Offside Front Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Brake servo inoperative (1.1.10 (a) (ii)) | 1 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Nearside Front Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering chassis leg by flex pipes (6.1.1 (c) (ii)) | 1 |
| Nearside Front Inner Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Seat belt anchorage prescribed area strength or continuity significantly reduced both sides front door steps excessively corroded (7.1.1 (a) (i)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Subframe mounting prescribed area excessively corroded significantly reducing structural strength outrigger (5.3.6 (a) (i)) | 1 |
| Offside Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Rear Service brake efficiency less than 50% of the required value (1.2.2 (a) (ii)) | 1 |
| Offside Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Rear fog lamp adversely affected by the operation of another lamp |1.3.2f| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Offside Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |