| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 45 |
| Windscreen wiper does not clear the windscreen effectively | 34 |
| Brake pipe excessively corroded | 22 |
| Service brake: efficiency below requirements |3.7.B.7| | 20 |
| Registration plate lamp issues | 13 |
| Brakes imbalanced across an axle | 11 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 10 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 10 |
| Horn not working |1.6.2a| | 10 |
| Registration plate issues | 7 |
| Offside Rear fog lamp not working |1.3.2b| | 7 |
| Nearside Stop lamp not working |1.2.1b| | 5 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 5 |
| Brake hose excessively deteriorated | 5 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 3 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 3 |
| Offside Stop lamp not working |1.2.1b| | 3 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Offside Obligatory mirror missing |8.1.1| | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Offside Headlamp insecure |1.7.3| | 2 |
| Rear brake application uneven | 2 |
| Hazard warning switch faulty |1.4.B.1d| | 2 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Windscreen washer not working | 2 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Brake load sensing valve linkage seized |3.6.E.3| | 2 |
| Spare wheel insecure |6.4.2| | 2 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Nearside Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 2 |
| Rear Exhaust has a major leak of exhaust gases box. |7.1.2| | 1 |
| Nearside Rear Other passenger door likely to open inadvertently or not remain closed in the case of a sliding door (6.2.3 (b) (i)) | 1 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear fog lamp insecure |1.3.2a| | 1 |
| Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Nearside Front Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Bumper insecure |6.1.4 |a| |i|| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Rear Brake load sensing valve seized |3.6.E.3| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Brake load sensing valve seized |3.6.E.3| | 1 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Nearside rear brake recording little or no effort brake reading lower |3.7.B.5a| | 1 |
| Steering column flexible coupling has excessive play |2.1.5| | 1 |
| Offside Front Direction indicators not working |1.4.A.2c| | 1 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Front Headlamp aim not tested |1.8.A.1c| | 1 |
| Offside Front Direction indicator incomplete |1.5.A1b| | 1 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Exhaust has a part missing |7.1.1a| | 1 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.4.B.1| | 1 |
| Brake warning device not working correctly |3.3.D.3a| | 1 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 1 |
| Nearside Front Headlamp insecure |1.7.3| | 1 |
| Offside Front Headlamp insecure |1.7.3| | 1 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Brake load sensing valve seized and ABS not fitted or inoperative (1.1.17 (c) (ii)) | 1 |
| Nearside Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 1 |
| Emissions not tested |7.0| | 1 |
| Nearside Rear Suspension has inadequate clearance with the bump stop |2.4.A.1a| | 1 |
| Offside Rear Suspension has inadequate clearance with the bump stop |2.4.A.1a| | 1 |
| Body insecure and dangerous to other road users front retainers |6.1.B.1b| | 1 |
| Fuel pipe leaking above fuel tank |7.2.3| | 1 |
| Fuel tank leaking |7.2.3| | 1 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Obligatory mirror insecure |8.1.1| | 1 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Rear Valve stem seriously damaged |4.1.D.1e| | 1 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Front Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Offside Front Obligatory mirror missing |8.1.1| | 1 |
| Rear fog lamp insecure |1.3.2a| | 1 |
| Nearside Front position lamp|s| has less than 50% of the light sources illuminating |1.1.A.3b| | 1 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front Vehicle structure is fractured and structural rigidity is significantly reduced (6.1.1 (a) (i)) | 1 |
| Offside Front Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i)) | 1 |
| Offside Front Inner Suspension component mounting prescribed area excessively corroded significantly reducing structural strength |5.3.6 |a| |i|| | 1 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Electrical wiring insecure trailer electrical socket |1.9.2a| | 1 |
| Nearside Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear fog lamp does not emit a steady red light |1.3.2e| | 1 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Nearside Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Obligatory mirror insecure |8.1.1| | 1 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Front Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Offside Subframe mounting prescribed area is excessively corroded inner wheel arch |2.4.A.3| | 1 |
| Offside Engine mounting bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Offside Front Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced inner wheel arch` (6.1.1 (c) (i)) | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp flashes with indicator |1.1.A.3f| | 1 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Nearside Front Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Battery insecure |1.9.1| | 1 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 1 |
| Nearside Front brake disc contaminated by oil |3.5.1h| | 1 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Braking system leaking |3.6.A.1| | 1 |
| Offside Rear Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Rear Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| rear brake recording little or no effort |3.7.B.5a| | 1 |
| Front Direction indicator incorrect colour both (4.4.3 (a)) | 1 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Nearside Front Lower Suspension arm corroded and seriously weakened |2.4.G.1| | 1 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Track rod end loose |2.2.B.1d| | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Offside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 1 |
| Nearside Inner Ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Inner Ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 1 |
| Offside Rear Brake load sensing valve linkage seized |3.6.E.3| | 1 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Inner Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Inner Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Hinged tailboard cannot be secured in the closed position |6.4.1| | 1 |
| Dropside cannot be secured in the closed position |6.4.1| | 1 |
| Nearside Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Suspension component mounting prescribed area excessively corroded significantly reducing structural strength chassis in front of rear spring (front) mounting (5.3.6 (a) (i)) | 1 |
| Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner wheel arch (5.3.6 (a) (i)) | 1 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 1 |