| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 27 |
| Offside Rear fog lamp not working |1.3.2b| | 21 |
| Brake pipe excessively corroded | 13 |
| Rear brake binding | 9 |
| Rear parking brake recording little or no effort | 9 |
| Offside Headlamp not working on main beam |1.7.5a| | 6 |
| Registration plate lamp issues | 6 |
| Windscreen wiper does not clear the windscreen effectively | 6 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 6 |
| Rear fog lamp tell tale not working |1.3.1b| | 5 |
| Parking brake: efficiency below requirements |3.7.B.7| | 5 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 5 |
| Nearside Stop lamp not working |1.2.1b| | 5 |
| Brakes imbalanced across an axle | 4 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Horn not working |1.6.2a| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Exhaust system not adequately supported |7.1.1| | 3 |
| Rear Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Side repeater not working |1.4.A.2c| | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Position lamp switch faulty |1.1.A.1| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 2 |
| Hazard warning switch faulty |1.4.B.1d| | 2 |
| Stop lamp|s| all not working |4.3.1 |a| |iii|| | 2 |
| Steering column top mounting bracket insecure |2.1.2d| | 2 |
| Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 2 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Fuel tank leaking |7.2.3| | 2 |
| Offside Side repeater not working |1.4.A.2c| | 2 |
| Hazard warning lamps inoperative |1.4.B.1b| | 2 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Front Drag link end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Driver`s seat insecure |6.2.A.1| | 2 |
| Front Direction indicator not working BOTH |1.4.A.2c| | 1 |
| Centre Front Axle swivel joint has excessive play |2.5.A.3b| | 1 |
| Centre Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Driver`s seat insecure |6.2.5 |a| |ii|| | 1 |
| Nearside Front Passenger`s seat insecure |6.2.6 |a| |ii|| | 1 |
| Offside Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 1 |
| Rear fog lamp switch inoperative |4.5.3 |a| |ii|| | 1 |
| Offside Front Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Nearside Front Outer Seat belt anchorage likely to become detached in the event of a collision |7.1.1 |a| |ii|| | 1 |
| Front Steering column has excessive movement up and down |2.2.2 |a|| | 1 |
| Brake cable insecure locking nuts |1.1.15 |c|| | 1 |
| Rear Seat belt affected by an insecure seat fixing |5.2.1b| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Nearside Brake cable has restricted free movement |3.5.1k| | 1 |
| Offside Brake cable has restricted free movement |3.5.1k| | 1 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Obligatory mirror missing |8.1.1| | 1 |
| Centre Obligatory mirror missing |8.1.1| | 1 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Offside Headlamp missing |1.7.3| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Front Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Rear Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Leaf spring damaged and permanently distorted |2.4.B.1a| | 1 |
| Centre front brake binding |3.7.B.1| | 1 |
| Fuel hose leaking |7.2.3| | 1 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Centre Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Steering column shaft has excessive end float |2.1.3| | 1 |
| Nearside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Centre Front Lower Suspension arm fractured |2.4.G.1| | 1 |
| Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 1 |
| Offside Rear Steering column universal joint is excessively deteriorated steering arm bush rubber cover broken up |2.1.5| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Offside Front Steering component mounting prescribed area is fractured |2.2.C.1h| | 1 |
| Nearside Front Steering component mounting prescribed area is fractured |2.2.C.1h| | 1 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Front front brake binding |3.7.B.1| | 1 |
| Nearside Rear front brake binding |3.7.B.1| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Centre Front Lower Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Steering column universal joint insecure |2.1.5| | 1 |
| wheel cylinder has restricted free movement |3.5.1k| | 1 |
| Nearside Rear Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| An item not tested |Manual| | 1 |
| Brake pipe excessively chafed |3.6.B.2c| | 1 |
| Offside Front Driver`s seat insecure |6.2.A.1| | 1 |
| Brake pedal anti-slip provision missing |1.1.2 |c|| | 1 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Offside Rear Anti-roll bar pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Drivers seat backrest cannot be secured in the upright position. (6.2.5 (b) (ii)) | 1 |
| Offside Front Drivers door hinge insecure (6.2.3 (c) (ii)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 1 |
| Offside Front Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 1 |
| Rear Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Drivers seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Front Passengers seat insecure (6.2.6 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Rear Shock absorbers insecurely attached lower mounting (5.3.2 (a) (i)) | 1 |
| Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Central Axle king pin is loose in the axle beam (5.1.2 (d) (i)) | 1 |
| Nearside Rear Leaf spring fractured front eyelet snapped |2.4.B.1a| | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Rear fog lamp switch inoperative (4.5.3 (a) (ii)) | 1 |
| Offside Rear Position lamp not working side light (4.2.1 (a) (ii)) | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Front Suspension arm cracked |2.4.G.1| | 1 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt both |2.2.C.1c| | 1 |
| Suspension arm fractured centre |2.4.G.1| | 1 |
| Steering pivot point has excessive play king pin |2.2.B.1g| | 1 |
| Direction indicator not working front & rear |1.4.A.2c| | 1 |
| Stop lamp not working both |1.2.1b| | 1 |
| Rear position lamp|s| not working both |1.1.A.3b| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Mechanical brake component has restricted free movement | 1 |
| Front Drag link end excessively corroded and unserviceable |2.2.C.1d| | 1 |
| Nearside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Nearside Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Centre Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Rear Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Offside Front Headlamp reflector seriously defective |4.1.1 |b| |ii|| | 1 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Suspension component pin or bush excessively worn Front steering king pin |5.3.4 |a| |i|| | 1 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Centre Front Radius arm cracked |2.4.G.1| | 1 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Front Radius arm corroded and seriously weakened |2.4.G.1| | 1 |
| Offside Rear Lower Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 1 |
| Stop lamp not working o/s and n/s |1.2.1b| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Nearside Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Offside Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Centre Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Rear reflector missing |1.5.1a| | 1 |
| Offside Front Direction indicators not in good working order |function impaired| |1.5.A1b| | 1 |
| Offside Rear Direction indicators not in good working order |function impaired| |1.5.A1b| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Rear fog lamp switch missing |1.3.1a| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Front Side repeater insecure |1.4.A.2b| | 1 |
| Nearside Rear Road wheel bead rim badly distorted |4.2.A.1a| | 1 |
| Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Offside Rear Stop lamp has less than 50% of the light sources illuminating |1.2.1b| | 1 |
| Nearside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 1 |
| Front Lower Suspension arm corroded and seriously weakened |2.4.G.1| | 1 |
| Offside Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 1 |
| Nearside Front Front passenger seat insecure |6.2.3| | 1 |