| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 5 |
| Headlamp aim out of alignment | 4 |
| Rear brake binding | 4 |
| Nearside Stop lamp not working (1.2.1b) | 2 |
| Parking brake: efficiency below requirements (3.7.B.7) | 2 |
| Rear parking brake recording little or no effort | 2 |
| Nearside Headlamp insecure (1.7.3) | 2 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Offside Stop lamp not working (1.2.1b) | 1 |
| Nearside Front suspension has excessive play in a lower suspension ball joint (2.5.B.1a) | 1 |
| Drivers seat insecure (6.2.A.1) | 1 |
| Offside Front position lamp(s) not working (1.1.A.3b) | 1 |
| Fuel cap/sealing device does not fasten securely by positive means (7.2.4b) | 1 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2) | 1 |
| Offside Rear fog lamp not working (1.3.2b) | 1 |
| Nearside Front Headlamp insecure (1.7.3) | 1 |
| Offside Front Headlamp insecure (1.7.3) | 1 |
| Nearside Rear Leaf spring has excessive wear in a shackle pin and/or bush (2.4.B.2) | 1 |
| Offside Rear Leaf spring has excessive wear in a shackle pin and/or bush (2.4.B.2) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 1 |
| Horn not loud enough to be heard by another road user (1.6.2b) | 1 |
| Brake valve leaking (3.6.A.1) | 1 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Stop lamp(s) not working TRAILER LIGHTING BOARD (4.3.1 (a) (ii)) | 1 |
| Offside Position lamp light intensity significantly reduced TRAILER LIGHTING BOARD (4.2.3 (a) (ii)) | 1 |
| Brake performance not tested (3.7.A.1) | 1 |
| An item not tested (Manual) | 1 |
| Brake pipe inadequately clipped (3.6.B.1) | 1 |
| Braking system leaking (3.6.A.1) | 1 |
| Exhaust has a major leak of exhaust gases (7.1.2) | 1 |
| Exhaust system not adequately supported (7.1.1) | 1 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2) | 1 |
| Service brake: efficiency below requirements (3.7.B.7) | 1 |
| Horn not working (1.6.2a) | 1 |
| Nearside Rear Direction indicator not working (1.4.A.2c) | 1 |
| Offside Front Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc (2.5.C.1a) | 1 |
| Brakes imbalanced across an axle | 1 |
| Offside Rear rear brake recording little or no effort (3.7.B.5a) | 1 |