| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 49 |
| Parking brake: efficiency below requirements |3.7.B.7| | 21 |
| Brakes imbalanced across an axle | 20 |
| Rear brake binding | 17 |
| Rear parking brake recording little or no effort | 16 |
| Registration plate issues | 14 |
| Nearside Stop lamp not working |1.2.1b| | 13 |
| Registration plate lamp issues | 11 |
| Service brake: efficiency below requirements |3.7.B.7| | 10 |
| Offside Stop lamp not working |1.2.1b| | 10 |
| Windscreen wiper does not clear the windscreen effectively | 9 |
| Horn not working |1.6.2a| | 8 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 7 |
| Rear brake application uneven | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 5 |
| Stop lamp not working |1.2.1b| | 5 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 5 |
| Offside Side repeater not working |1.4.A.2c| | 5 |
| Fuel system component leaking |7.2.3| | 5 |
| Direction indicators not working |1.4.A.2c| | 4 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 4 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 4 |
| Offside Rear Braking system leaking |3.6.A.1| | 4 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 4 |
| Hazard warning switch faulty |1.4.B.1d| | 3 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 3 |
| Brake hose has insufficient room to move | 3 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| Headlamp switch faulty |1.7.1| | 3 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Offside Front front brake binding |3.7.B.1| | 3 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Service brake: efficiency below requirements |3.7.C.1a| | 2 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 2 |
| Rear fog lamp not working |1.3.2b| | 2 |
| Offside Front Side repeater not working |1.4.A.2c| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Rear Braking system leaking |3.6.A.1| | 2 |
| Nearside Headlamp aim beam image too far to the right |1.6.B4| | 2 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 2 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Exhaust system not adequately supported |7.1.1| | 2 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 2 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 2 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 2 |
| Nearside front brake binding |3.7.B.1| | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 2 |
| Nearside Front front brake binding |3.7.B.1| | 2 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Nearside Headlamp insecure |1.7.3| | 2 |
| Nearside Side repeater not working |1.4.A.2c| | 2 |
| Battery insecure |1.9.1| | 2 |
| Rear Mechanical brake component has restricted free movement | 2 |
| Offside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Rear Exhaust has a part missing |7.1.1a| | 1 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Offside Rear Brake performance not tested |3.7.A.1| | 1 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Nearside Rear wheel cylinder leaking |3.6.A.1| | 1 |
| Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 1 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 1 |
| Service brake efficiency less than 50% of the required value |1.2.2 |a| |ii|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| front brake binding |3.7.B.1| | 1 |
| rear brakes release unevenly |3.7.B.4| | 1 |
| Offside Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Front Exhaust system not adequately supported |7.1.1| | 1 |
| Offside Rear Axle swivel joint insecure in a stub axle |2.5.A.3b| | 1 |
| Rear Position lamp switch faulty |1.1.A.1| | 1 |
| Offside Front front brake grabbing severely |3.7.A.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 |
| Inner Obligatory mirror missing |8.1.1| | 1 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams |1.7.4b| | 1 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 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 |
| Nearside Front Direction indicator not working Repeater |1.4.A.2c| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 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 |
| Front Obligatory mirror missing |8.1.1| | 1 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Nearside Outer Rear Drive shaft which forms part of the suspension coupling gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 1 |
| Nearside Rear Halfshaft nut loose |4.2.B.3| | 1 |
| Emissions not tested |7.0| | 1 |
| Nearside Rear Lower Shock absorber insecure |2.7.2b| | 1 |
| Offside Rear Lower Shock absorber insecure |2.7.2b| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Upper Front suspension locking device ineffective |2.5.A.4| | 1 |
| Nearside Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 1 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Front brake application uneven | 1 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 1 |
| Nearside Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Rear Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 1 |
| Nearside Inner Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 1 |
| Nearside Windscreen wiper blade missing |8.2.2| | 1 |
| Offside Windscreen wiper blade missing |8.2.2| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Centre Front Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Nearside Rear brake drum insecure |3.5.1i| | 1 |
| Parking (secondary brake) on a single line braking system imbalanced across an axle Axle 1 (1.3.1 (b) (i)) | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Front Braking system leaking |3.6.A.1| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front brake disc cracked |3.5.1h| | 1 |
| Stop lamp(s) all missing (4.3.1 (a) (iii)) | 1 |
| Parking brake lever pawl spring does not push the pawl positively into the ratchet teeth |3.1.5| | 1 |
| Nearside Rear An item not tested |Manual| | 1 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Nearside Front Brake pipe fouled by moving parts |3.6.B.2a| | 1 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 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 |
| Nearside Rear Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 1 |
| Central Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Mechanical brake component has restricted free movement | 1 |
| Steering column shaft has excessive end float |2.1.3| | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.6.G.1f| | 1 |
| Nearside Front Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Rear Position lamp not working All lights not working when dipped beam selected (4.2.1 (a) (ii)) | 1 |
| Nearside Engine mounting bracket fractured (6.1.8 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Headlamp insecure |1.7.3| | 1 |
| Offside Rear Suspension rod pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Rear Braking system leaking at slave cyclinder |3.6.A.1| | 1 |
| Nearside Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Offside Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Front Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Direction indicator excessively damaged so that it is not visible from a reasonable distance |1.4.A.2e| | 1 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside Front Headlamp insecure (4.1.1 (c)) | 1 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Steering rack gaiter missing or no longer prevents the ingress of dirt both (2.1.3 (g) (ii)) | 1 |
| Windscreen washer not working | 1 |
| Offside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Offside Rear Hydraulic brake cylinder leaking hydraulic fluid (1.1.16 (b) (i)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Offside Stop lamp(s) adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Offside Rear Service brake indicates brake bind |3.7.D.2a| | 1 |
| Parking brake lever is not capable of being maintained in operation by direct mechanical action only (1.1.6 (f)) | 1 |
| Drivers seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Front Suspension arm locating pin locking device not properly locked |2.4.G.3b| | 1 |
| Centre Front Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |
| Indicator tell tale inoperative |1.4.A.2a| | 1 |