| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 17 |
| Windscreen wiper does not clear the windscreen effectively | 14 |
| Registration plate lamp issues | 14 |
| Service brake: efficiency below requirements |3.7.B.7| | 13 |
| Parking brake: efficiency below requirements |3.7.B.7| | 10 |
| Brake pipe excessively corroded | 10 |
| Brakes imbalanced across an axle | 8 |
| Horn not working |1.6.2a| | 7 |
| Brake hose excessively deteriorated | 6 |
| Rear parking brake recording little or no effort | 6 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Offside Side repeater not working |1.4.A.2c| | 4 |
| Offside Rear fog lamp not working |1.3.2b| | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Offside Front brake disc excessively pitted |3.5.1h| | 3 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Registration plate issues | 3 |
| Nearside Headlamp not working on main beam |1.7.5a| | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Rear brake binding | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Windscreen has damage | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Nearside Side repeater not working |1.4.A.2c| | 2 |
| Brake hose has insufficient room to move | 2 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Driver`s seat insecure |6.2.A.1| | 2 |
| Nearside Rear Direction indicator incomplete |1.5.A1b| | 2 |
| Rear brake application uneven | 2 |
| Brake performance not tested |3.7.A.1| | 2 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 2 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Side repeater not working |1.4.A.2c| | 1 |
| Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside 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 Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Electrical wiring insecure Positive battery terminal lose likely to cause a short |1.9.2a| | 1 |
| Battery insecure |1.9.1| | 1 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 1 |
| Steering system excessively tight |2.2.D.1| | 1 |
| Front brake application uneven | 1 |
| Brake pipe inadequately supported |3.6.B.1| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Parking brake lever, pawl mechanism pivot|s| retaining device missing |3.1.4b| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside passenger door does not latch securely closed |6.2.B.1a| | 1 |
| Nearside Front Body or chassis has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 1 |
| Nearside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 1 |
| Fuel tank leaking |7.2.3| | 1 |
| Rear All position lamps adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Fuel system component insecure |7.2.1| | 1 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Seat belt anchorage prescribed area is inadequately repaired |5.2.6| | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 1 |
| Offside front brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 1 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Exhaust mounting missing |7.1.1b| | 1 |
| front brake binding |3.7.B.1| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Nearside Stop lamp not working |1.3.2a| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.4d| | 1 |
| Nearside Front brake disc excessively scored |3.5.1h| | 1 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Emissions not tested |7.0| | 1 |
| Brake valve leaking |3.6.A.1| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear position lamp|s| insecure |1.1.A.3a| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 1 |
| Rear Braking system leaking |3.6.A.1| | 1 |
| Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Power steering component|s| leaking |2.3.3b| | 1 |
| Offside Rear Brake valve leaking |3.6.A.1| | 1 |
| Brake operation stored air pressure or vacuum depletes when ancillary equipment is operated |3.3.E.4| | 1 |
| Hand operated control valve leaking |3.2.1d| | 1 |
| Hand operated control valve connection loose |3.2.1d| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Rear fog lamp switch faulty |1.3.1a| | 1 |
| Offside Obligatory mirror insecure |8.1.1| | 1 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 1 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Front Exhaust system not adequately supported |7.1.1| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Offside Rear Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear Stop lamp excessively deteriorated so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Offside Rear Rear fog lamp does not emit a steady red light |1.3.2e| | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Front Obligatory mirror insecure |8.1.1| | 1 |
| Nearside Front Upper Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Upper Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front Lower Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Lower Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Inner Front Lower Vehicle structure has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Outer Front Lower Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Outer Front Lower Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Inner Front Lower Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Rear Brake valve leaking |3.6.A.1| | 1 |
| Centre Front Statutory seat belt missing |5.1.1| | 1 |
| Front front brake binding |3.7.B.1| | 1 |
| Rear front brake binding |3.7.B.1| | 1 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 1 |
| Nearside Rear Lower Leaf spring has excessive side play at eye |anchor| |2.4.B.4| | 1 |
| Nearside Front Sub-frame corroded and seriously weakened |6.1.8b| | 1 |
| Offside Rear Exhaust emits an excessive level of metered smoke for a turbo charged engine |6.4.B.2| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Offside Rear Rear position lamp|s| incomplete |1.1.4a| | 1 |
| Nearside Rear Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Rear Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 1 |
| Offside Rear Leaf spring to axle securing nut insecure |2.4.B.7b| | 1 |
| Horn does not function |6.2.1b| | 1 |
| Speedometer cannot be illuminated. |6.7.3| | 1 |
| Nearside Rear Rear position lamp|s| incomplete |1.1.4a| | 1 |
| Nearside Front Upper Front position lamp|s| not in good working order |not working| |1.1.4a| | 1 |
| Nearside Front Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Offside Front Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Offside Rear Exhaust has part of the system excessively deteriorated |6.3.1a| | 1 |
| Nearside Front Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Nearside Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.1.B.6a| | 1 |
| Nearside Rear Leaf spring fractured |2.4.B.1a| | 1 |
| Rear fog lamp tell tale inoperative |1.1.6e| | 1 |