| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 196 |
| Registration plate lamp issues | 182 |
| Windscreen wiper does not clear the windscreen effectively | 166 |
| Brake pipe excessively corroded | 155 |
| Brakes imbalanced across an axle | 66 |
| Registration plate issues | 50 |
| Service brake: efficiency below requirements |3.7.B.7| | 50 |
| Parking brake: efficiency below requirements |3.7.B.7| | 49 |
| Windscreen has damage | 44 |
| Offside Rear fog lamp not working |1.3.2b| | 40 |
| Nearside Stop lamp not working |1.2.1b| | 31 |
| Exhaust system not adequately supported |7.1.1| | 29 |
| Offside Stop lamp not working |1.2.1b| | 28 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 26 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 25 |
| Battery insecure |1.9.1| | 17 |
| Centre Exhaust system not adequately supported |7.1.1| | 17 |
| Rear fog lamp not working |1.3.2b| | 16 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 16 |
| Rear brake application uneven | 15 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 14 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 14 |
| Emissions not tested |7.0| | 14 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 13 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 13 |
| Rear Exhaust system not adequately supported |7.1.1| | 12 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 12 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 11 |
| Nearside Rear Stop lamp not working |1.2.1b| | 10 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 10 |
| Parking brake lever has no reserve travel |3.1.6b| | 10 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 9 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 9 |
| Rear parking brake recording little or no effort | 9 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 8 |
| Fuel tank insecure |7.2.1| | 8 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 8 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 8 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 7 |
| Centre Seat belt locking mechanism does not secure or release |5.2.5a| | 7 |
| Offside Headlamp not working on main beam |1.7.5a| | 7 |
| Rear fog lamp tell tale not working |1.3.1b| | 7 |
| Nearside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 6 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 6 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 6 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Nearside Headlamp not working on main beam |1.7.5a| | 6 |
| Windscreen washer not working | 6 |
| Nearside Rear position lamp|s| insecure |1.1.A.3a| | 6 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 6 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 6 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 6 |
| Offside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside front brake binding |3.7.B.1| | 5 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 5 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Brake hose excessively deteriorated | 5 |
| Exhaust has a part missing |7.1.1a| | 5 |
| Horn not working |1.6.2a| | 5 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 5 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 4 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Brake load sensing valve seized |3.6.E.3| | 4 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 4 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Fuel system component insecure |7.2.1| | 4 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 4 |
| Front Exhaust system not adequately supported |7.1.1| | 4 |
| Exhaust system insecure (6.1.2 (a)) | 4 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 4 |
| Offside Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 4 |
| Rear Rear fog lamp not working |1.3.2b| | 4 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 4 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 4 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.4.B.1| | 4 |
| Body insecure and dangerous to other road users |6.1.B.1b| | 4 |
| Rear brake binding | 4 |
| Steering system excessively tight |2.2.D.1| | 4 |
| Centre Statutory seat belt missing |5.1.1| | 4 |
| Front brake application uneven | 4 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 4 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 4 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 4 |
| Nearside Front Inner 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)) | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 3 |
| Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 3 |
| Stop lamp not working |1.2.1b| | 3 |
| Offside Front Inner 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)) | 3 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 3 |
| Exhaust mounting missing |7.1.1b| | 3 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Nearside rear brake grabbing severely |3.7.A.5b| | 3 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 3 |
| Service brake: efficiency below requirements |3.7.D.4| | 3 |
| Offside Rear position lamp|s| insecure |1.1.A.3a| | 3 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Nearside Rear Direction indicator insecure |1.4.A.2b| | 3 |
| Nearside Rear Brake pipe inadequately clipped |3.6.B.1| | 3 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Nearside Rear Rear position lamp|s| insecure |1.1.A.3a| | 3 |
| Nearside Rear Body insecure and dangerous to other road users |6.1.B.1b| | 3 |
| Rear fog lamp missing |1.3.2a| | 3 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Rear Exhaust system not adequately supported (7.1.1) | 3 |
| Driver`s seat insecure |6.2.A.1| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| 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)) | 3 |
| 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)) | 3 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.2.1 (b)) | 3 |
| Nearside Front front brake binding |3.7.B.1| | 3 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 3 |
| Hazard warning switch faulty |1.4.B.1d| | 3 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Offside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 3 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 3 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |