| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 20 |
| Registration plate lamp issues | 12 |
| Headlamp aim out of alignment | 8 |
| Brake pipe excessively corroded | 6 |
| Horn not working |1.6.2a| | 4 |
| Offside Rear fog lamp not working |1.3.2b| | 4 |
| Brakes imbalanced across an axle | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Rear brake binding | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 2 |
| Offside Front brake disc excessively pitted |3.5.1h| | 2 |
| Registration plate issues | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 1 |
| Headlamp has a product on the light source so that the light output is severely reduced both |4.1.4 |b|| | 1 |
| Nearside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front All position lamps not working |1.1.A.3b| | 1 |
| Offside Rear All position lamps not working |1.1.A.3b| | 1 |
| Rear Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Front Headlamp aim not tested |1.8.A.1c| | 1 |
| Nearside Upper Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Upper Front position lamp|s| not working |1.1.A.3b| | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Battery insecure |1.9.1| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Outline marker lamp does not illuminate simultaneously with the position lamps (4.2.2 (a)) | 1 |
| Offside Rear Outline marker lamp does not illuminate simultaneously with the position lamps (4.2.2 (a)) | 1 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Front brake disc excessively pitted |3.5.1h| | 1 |
| Rear Exhaust has a part missing |7.1.1a| | 1 |
| Nearside Rear brake disc excessively scored |3.5.1h| | 1 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| front brake binding both sides |3.7.B.1| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Brake pipe leaking on a hydraulic braking system metal brake pipe at rear of fuel tank burst during test (1.1.11 (b) (ii)) | 1 |
| Brake performance not tested due to burst pipe (1.2.1 (g)) | 1 |
| Brake load sensing valve seized |3.6.E.3| | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 1 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Front All outline marker lamps not working (4.2.1 (a) (ii)) | 1 |
| Rear Brake load sensing valve seized and ABS not fitted or inoperative (1.1.17 (c) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Service brake grabbing severely (1.2.1 (c)) | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Hazard warning lamps inoperative (4.4.1 (e)) | 1 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Rear brake disc excessively pitted |3.5.1h| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Offside Rear Valve stem seriously damaged |4.1.D.1e| | 1 |
| Front brake application uneven | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Front Inner Brake disc significantly and obviously worn face (1.1.14 (a) (i)) | 1 |
| Offside Front Inner Brake disc contaminated face (1.1.14 (b)) | 1 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Outline marker lamp likely to become detached (4.2.1 (c) (ii)) | 1 |
| Nearside Outline marker lamp likely to become detached centre (4.2.1 (c) (ii)) | 1 |
| Nearside Rear Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Rear Body component damaged and likely to cause injury plastic skirt (6.2.1 (a) (i)) | 1 |
| Nearside Rear Body component damaged and likely to cause injury plastic skirt (6.2.1 (a) (i)) | 1 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 1 |
| Rear Brake disc significantly and obviously worn corroded (1.1.14 (a) (i)) | 1 |
| Nearside Front Brake pipe connection leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 1 |
| Offside Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |