| Most common failures | No# failures |
|---|
| Service brake: efficiency below requirements |3.7.B.7| | 12 |
| Brakes imbalanced across an axle | 11 |
| Brake pipe excessively corroded | 11 |
| Parking brake: efficiency below requirements |3.7.B.7| | 11 |
| Registration plate lamp issues | 9 |
| Offside Rear fog lamp not working |1.3.2b| | 8 |
| Headlamp aim out of alignment | 7 |
| Windscreen wiper does not clear the windscreen effectively | 7 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 6 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 6 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Horn not working |1.6.2a| | 5 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 4 |
| Brake hose excessively deteriorated | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Rear brake binding | 4 |
| Registration plate issues | 4 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Rear brake application uneven | 3 |
| Rear fog lamp tell tale not working |1.3.1b| | 3 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 3 |
| Windscreen washer not working | 3 |
| Rear parking brake recording little or no effort | 3 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 3 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Nearside Front front brake binding |3.7.B.1| | 2 |
| Driver`s door cannot be opened from inside the vehicle |6.2.3 |a|| | 2 |
| Driver`s door cannot be opened from outside the vehicle |6.2.3 |a|| | 2 |
| Battery insecure |1.9.1| | 2 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 2 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Fuel system component leaking |7.2.3| | 2 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Hazard warning lamps inoperative |1.4.B.1b| | 2 |
| Hazard warning switch faulty |1.4.B.1d| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Seat belt retracting mechanism defective (7.1.2 (e)) | 1 |
| Offside Front Seat belt retracting mechanism defective (7.1.2 (e)) | 1 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Nearside Rear Anti-roll bar pin or bush excessively worn d bush (5.3.4 (a) (i)) | 1 |
| Offside Front Seat belt not functioning as intended (7.1.2 (c)) | 1 |
| All position lamps adversely affected by the operation of another lamp When indicators or hazard lights operated all lights dim (4.2.3 (c)) | 1 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Steering system excessively tight |2.2.D.1| | 1 |
| Offside Rear Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 1 |
| Offside Brake pipe leaking |3.6.A.1| | 1 |
| Nearside Rear Exhaust has a part missing |7.1.1a| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Rear rear brakes release unevenly |3.7.B.4| | 1 |
| Battery insecure and likely to fall from carrier Inside cab |4.13 |a| |ii|| | 1 |
| Bumper damaged and likely to cause injury when grazed or contacted |6.1.4 |a| |i|| | 1 |
| Offside Rear Service brake excessively fluctuating |1.2.1 |e|| | 1 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Offside Headlamp aim not tested |4.1.2 |b|| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| rear brake excessively fluctuating |3.7.B.3| | 1 |
| Rear Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Exhaust fumes entering cabin (6.1.2 (b) (i)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Offside rear brake excessively fluctuating |3.7.B.3| | 1 |
| Nearside Rear Braking system leaking |3.6.A.1| | 1 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Exhaust has a major leak of exhaust gases back box leaking (6.1.2 (a)) | 1 |
| Offside Rear Anti-roll bar attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front brake application uneven | 1 |
| front brakes release unevenly |3.7.B.4| | 1 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp |4.2.3 |c|| | 1 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Direction indicator not working n/s not flashing |1.4.A.2c| | 1 |
| Headlamp aim beam image obviously incorrect both kick ups wrong way round |1.8.A.1b| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Headlamp aim beam image obviously incorrect both wrong way round |1.8.A.1b| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Windscreen wiper not operating automatically when switched on not working |8.2.1b| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Headlamp not working on dipped beam both |1.7.5a| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 1 |
| Offside Front Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Offside Rear Brake load sensing valve seized |3.6.E.3| | 1 |
| Offside Rear Brake load sensing valve inoperative |3.6.E.3| | 1 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside rear brake grabbing severely |3.7.A.5b| | 1 |
| Battery insecure terminals |1.9.1| | 1 |
| Offside Front Headlamp aim not tested |1.8.A.1c| | 1 |
| Offside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 1 |
| Nearside Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 1 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Fuel tank leaking (6.1.3 (b) (i)) | 1 |
| Nearside Front Suspension spring mounting prescribed area excessively corroded significantly reducing structural strength Cross-member (5.3.6 (a) (i)) | 1 |
| Offside Front Suspension spring mounting prescribed area excessively corroded significantly reducing structural strength Cross-member (5.3.6 (a) (i)) | 1 |
| Rear Rear fog lamp not working |1.3.2b| | 1 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Direction indicators not working All indicators not working |1.4.A.2c| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Front Horn not working |1.6.2a| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6.B1| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Windscreen wiper not working |3.4 |a|| | 1 |
| Rear All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Power steering inoperative and steering adversely affected |2.1.5 |c| |ii|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| rear parking |secondary| brakes imbalanced | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Nearside Rear wheel cylinder leaking |3.6.A.1| | 1 |
| Offside Seat belt flexible stalk cable has broken strands |5.2.4b| | 1 |
| Nearside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 1 |
| Offside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 1 |
| Offside Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Nearside Front Headlamp aim beam image obviously incorrect Kick off |1.8.A.1b| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect Kick off |1.8.A.1b| | 1 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 1 |
| Offside Front Shock absorber insecure |2.7.2b| | 1 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect kick up to the right (4.1.2 (c)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect kick up to the right (4.1.2 (c)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Hazard warning lamps inoperative ALL (4.4.1 (e)) | 1 |
| Fluid leak harmful to the environment or a risk to other road users fuel tank (8.4.1 (a) (i)) | 1 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Nearside 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 Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt both gaiters split |2.2.C.1c| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 1 |
| Offside Front brake disc excessively pitted |3.5.1h| | 1 |
| Centre Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Front Leaf spring shackle pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Leaf spring shackle pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Leaf spring anchor pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Leaf spring anchor pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Seat belt insecurely fixed to the seat |5.2.1a| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Brake load sensing valve seized |3.6.E.3| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Trailer electrical socket deteriorated so that lead cannot be securely connected |1.9.3b| | 1 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Headlamp not working on dipped beam both |4.1.1 |a| |ii|| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 1 |
| Offside Rear Rear fog lamp adversely affected by the operation of another lamp (4.5.4 (b)) | 1 |
| Nearside Front Brake hose bulging under pressure (1.1.12 (d)) | 1 |
| Offside Front Brake hose bulging under pressure (1.1.12 (d)) | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 1 |
| Nearside Stop lamp|s| all not working |4.3.1 |a| |iii|| | 1 |
| Offside Stop lamp|s| all not working |4.3.1 |a| |iii|| | 1 |
| Nearside Rear Leaf spring fractured |2.4.B.1a| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Rear fog lamp has less than 50% of the light sources illuminating |1.3.2b| | 1 |