| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 16 |
| Brake pipe excessively corroded | 10 |
| Brake hose excessively deteriorated | 5 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Headlamp aim out of alignment | 4 |
| Rear brake binding | 3 |
| Brakes imbalanced across an axle | 3 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Nearside Side repeater not working |1.4.A.2c| | 2 |
| Offside Rear fog lamp missing |1.3.2a| | 2 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Brake load sensing valve seized |3.6.E.3| | 2 |
| Rear fog lamp not working |1.3.2b| | 2 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Brake load sensing valve linkage seized |3.6.E.3| | 2 |
| Brake load sensing valve linkage defective and function impaired (1.1.17 (a)) | 1 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Trailer electrical socket damaged so that lead cannot be securely connected |1.9.3b| | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Horn not working |1.6.2a| | 1 |
| Offside Outline marker lamp not working x2 (4.2.1 (a) (ii)) | 1 |
| Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Towbar locking device insecure |6.6.3b| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Front brake disc excessively pitted |3.5.1h| | 1 |
| Rear brake disc excessively pitted |3.5.1h| | 1 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Registration plate issues | 1 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 1 |
| Rear Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Rear Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 1 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 1 |
| Nearside Front Outer All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Offside Front All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Brake performance not tested excessive bind likely to cause damage |3.7.A.1| | 1 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 1 |
| Offside Rear Shock absorbers has a serious fluid leak | 1 |
| Offside Front Side repeater not working |1.4.A.2c| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Offside Front brake disc excessively scored |3.5.1h| | 1 |
| Rear fog lamp switch inoperative (4.5.3 (a) (ii)) | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect (1.8.A.1b) | 1 |
| Offside Rear Shock absorber has a serious fluid leak (2.7.3) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Headlamp aim beam image obviously incorrect (1.8.A.1b) | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Leaf spring fractured (5.3.1 (b) (i)) | 1 |