| Most common failures | No# failures |
|---|
| Brakes imbalanced across an axle | 20 |
| Headlamp aim out of alignment | 19 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 18 |
| Offside Rear fog lamp not working |1.3.2b| | 9 |
| Parking brake: efficiency below requirements |3.7.B.7| | 9 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 9 |
| Rear brake application uneven | 8 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside front brake binding |3.7.B.1| | 8 |
| Registration plate issues | 7 |
| Offside front brake binding |3.7.B.1| | 7 |
| Rear brake binding | 7 |
| Hazard warning switch faulty |1.4.B.1d| | 7 |
| Rear parking brake recording little or no effort | 7 |
| Windscreen wiper does not clear the windscreen effectively | 7 |
| Horn not working |1.6.2a| | 6 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 6 |
| Registration plate lamp issues | 6 |
| Rear fog lamp not working |1.3.2b| | 5 |
| Rear fog lamp tell tale not working |1.3.1b| | 5 |
| Nearside Front front brake binding |3.7.B.1| | 5 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 4 |
| Offside Rear Wheel insecure |4.2.A.1c| | 4 |
| Nearside Front brake disc contaminated by oil |3.5.1h| | 3 |
| Offside Front brake disc contaminated by oil |3.5.1h| | 3 |
| Offside Front front brake binding |3.7.B.1| | 3 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Offside Front Wheel insecure |4.2.A.1c| | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Rear Wheel insecure |4.2.A.1c| | 3 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 2 |
| Headlamp switch faulty |1.7.1| | 2 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Nearside Front Wheel insecure |4.2.A.1c| | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Parking brake lever ratchet mechanism is broken |3.1.5| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 2 |
| Parking brake lever pawl spring does not push the pawl positively into the ratchet teeth |3.1.5| | 2 |
| Front brake application uneven | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Rear fog lamp tell tale missing |1.3.1b| | 2 |
| Nearside Stop lamp not working |1.2.1b| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front Position lamp not working |4.2.1 |a|| | 2 |
| Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 2 |
| Mechanical brake component has restricted free movement | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Parking (secondary brake) on a single line braking system imbalanced across an axle Axle 1 (1.3.1 (b) (i)) | 2 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 2 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Offside Front Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Emissions not tested |7.0| | 1 |
| Offside Rear Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Exhaust engine idle speed too high |7.3.A.2a| | 1 |
| Nearside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Rear Rear fog lamp not working |1.3.2b| | 1 |
| Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Rear Braking system leaking |3.6.A.1| | 1 |
| Offside Front Braking system leaking |3.6.A.1| | 1 |
| Offside Rear An item not tested |Manual| | 1 |
| Offside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Indicator switch faulty |1.4.A.1| | 1 |
| Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Steering column universal joint retaining device insecure |2.1.6| | 1 |
| Nearside Front 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 Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Rear fog lamp tell-tale not working |4.9.1 |a| |ii|| | 1 |
| Fuel system component leaking carb/fuel hose? |7.2.3| | 1 |
| Front Steering system excessively tight |2.2.D.1| | 1 |
| Front Steering system excessively rough |2.2.D.1| | 1 |
| Front Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 1 |
| Front Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Offside Front Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Rear wheel cylinder leaking |3.6.A.1| | 1 |
| Nearside Rear front brake binding |3.7.B.1| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 1 |
| Nearside Rear wheel cylinder securing device missing |3.5.1j| | 1 |
| Nearside Rear Shock absorber insecure |2.7.2b| | 1 |
| Offside Rear Shock absorber insecure |2.7.2b| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Front Fuel system component leaking |7.2.3| | 1 |
| Rear fog lamp not working both. |1.3.2b| | 1 |
| Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 1 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| Steering system excessively rough |2.2.D.1| | 1 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Body or chassis is damaged, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Rear fog lamp not working |1.3.2b| | 1 |
| Battery leaking electrolyte |1.9.1| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Offside Front Suspension arm attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Central Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front brake disc contaminated by grease |3.5.1h| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Offside Lower Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Nearside Rear Braking system leaking |3.6.A.1| | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Rear Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 1 |
| Nearside Rear Wheel nut|s| loose |4.2.A.1e| | 1 |
| Offside Rear Wheel nut|s| loose |4.2.A.1e| | 1 |
| Windscreen washer not working | 1 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Front Exhaust has a major leak of exhaust gases manifold |7.1.2| | 1 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Front Wheel nut|s| loose |4.2.A.1e| | 1 |
| Offside Front Wheel nut|s| loose |4.2.A.1e| | 1 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Front Exhaust has a part missing |7.1.1a| | 1 |
| Rear Exhaust has a part missing |7.1.1a| | 1 |
| Nearside Direction indicator not working |1.4.A.2c| | 1 |
| Offside Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Body or chassis has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Offside Rear front brake binding |3.7.B.1| | 1 |
| Nearside Front suspension has excessive play in a lower wishbone bearing |2.5.B.1a| | 1 |
| Offside Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Rear fog lamp switch faulty |1.3.1a| | 1 |
| Offside Front Lower Axle beam cracked |2.5.A.5a| | 1 |
| Nearside Front Exhaust has a part missing |7.1.1a| | 1 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Centre Obligatory mirror missing |8.1.1| | 1 |
| Rear An item not tested |Manual| | 1 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 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 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Battery insecure |1.9.1| | 1 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 1 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated |1.1.6 |d|| | 1 |
| Parking brake lever ratchet not holding correctly |1.1.6 |a|| | 1 |
| Rear fog lamp switch inoperative |4.5.3 |a| |ii|| | 1 |
| Position lamp switch missing |1.1.A.1| | 1 |
| Brake linkage has restricted free movement |3.5.1k| | 1 |
| Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 1 |
| Nearside Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Rear fog lamp adversely affected by the operation of another lamp |1.3.2f| | 1 |
| Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Centre Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 1 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Nearside Rear Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated (1.1.6 (d)) | 1 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering (6.1.1 (c) (ii)) | 1 |
| Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced centre crossmember (6.1.1 (c) (i)) | 1 |
| Central Rear Integral body structure corroded to the extent that the rigidity of the assembly is significantly reduced crossmember /battery support area (6.1.1 (c) (i)) | 1 |
| Rear Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 1 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 1 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (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 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |