| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 7 |
| Brake pipe excessively corroded | 5 |
| Brakes imbalanced across an axle | 5 |
| Rear parking brake recording little or no effort | 5 |
| Registration plate lamp issues | 4 |
| Windscreen wiper does not clear the windscreen effectively | 3 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Side repeater not working |1.4.A.2c| | 2 |
| Headlamp aim out of alignment | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Offside front brake binding |3.7.B.1| | 1 |
| Rear brake binding | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Upper Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Headlamp not working on dipped beam both (4.1.1 (a) (ii)) | 1 |
| Offside Headlamp insecure |1.7.3| | 1 |
| Battery insecure |1.9.1| | 1 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Rear brake caliper has restricted free movement |3.5.1k| | 1 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 1 |
| Brake load sensing valve seized and ABS not fitted or inoperative (1.1.17 (c) (ii)) | 1 |
| Rear Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 1 |
| Central Rear Brake pipe leaking |3.6.A.1| | 1 |
| Offside Headlamp insecure (4.1.1 (c)) | 1 |