| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 67 |
| Headlamp aim out of alignment | 43 |
| Windscreen wiper does not clear the windscreen effectively | 31 |
| Registration plate lamp issues | 28 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 26 |
| Rear parking brake recording little or no effort | 25 |
| Parking brake lever has no reserve travel |3.1.6b| | 24 |
| Parking brake: efficiency below requirements |3.7.B.7| | 22 |
| Offside Stop lamp not working |1.2.1b| | 14 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 13 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 12 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 12 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 11 |
| Centre Stop lamp not working |1.2.1b| | 10 |
| Nearside Stop lamp not working |1.2.1b| | 9 |
| Brakes imbalanced across an axle | 9 |
| Emissions not tested |7.0| | 8 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 8 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 7 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 7 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 6 |
| Rear brake disc in such a condition that it is seriously weakened | 6 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 6 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 6 |
| Rear brake binding | 6 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Brake pedal spongy |3.3.B.1b| | 5 |
| Power steering component|s| leaking |2.3.3b| | 5 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Front brake application uneven | 5 |
| Rear Exhaust has a part missing |7.1.1a| | 4 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 4 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Stop lamp not working |1.2.1b| | 3 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Registration plate issues | 3 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 3 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 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 Stop lamp not working |1.2.1b| | 3 |
| Service brake: efficiency below requirements |3.7.C.1a| | 3 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Hazard warning switch missing |1.4.B.1d| | 2 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Windscreen wiper blade insecure | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Emissions not tested |7.3.A.1| | 2 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 2 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 2 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 2 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Horn not working |1.6.2a| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Offside Front brake disc excessively pitted |3.5.1h| | 2 |
| Windscreen has damage | 2 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 1 |
| Nearside Parking brake recording little or no effort |3.7.D.3a| | 1 |
| Offside Obligatory mirror does not provide a view to the rear |8.1.2b| | 1 |
| Rear Brake lever has abnormal movement of levers indicating maladjustment |3.5.1f| | 1 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Brake pedal has no servo assistance |3.3.B.2| | 1 |
| Offside Steering column shaft has excessive end float |2.1.3| | 1 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Nearside Front Headlamp insecure |1.7.3| | 1 |
| Nearside Front front brake juddering severely |3.7.A.2b| | 1 |
| Offside Front front brake juddering severely |3.7.A.2b| | 1 |
| Nearside Rear rear brake juddering severely |3.7.A.5b| | 1 |
| Nearside Rear rear brake grabbing severely |3.7.A.5b| | 1 |
| Offside rear brake grabbing severely |3.7.A.5b| | 1 |
| Rear Rear fog lamp not working |1.3.2b| | 1 |
| Centre Rear Braking system leaking |3.6.A.1| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Front Headlamp incorrect colour |1.7.5b| | 1 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 1 |
| Driver`s door does not latch securely closed |6.2.B.1a| | 1 |
| Offside Rear Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 1 |
| Outer Upper Stop lamp not working |1.2.1b| | 1 |
| Wheel nut|s| missing |4.2.A.1e| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Front brake excessively fluctuating | 1 |
| Offside rear parking |secondary| brake grabbing severely |3.7.B.6b| | 1 |
| Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Fuel cap/sealing device missing |7.2.4a| | 1 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 1 |
| Offside Steering rack gaiter split |2.2.D.2d| | 1 |
| Offside Front Front constant velocity joint is insecure |2.5.C.1b| | 1 |
| Nearside Front Front constant velocity joint is insecure |2.5.C.1b| | 1 |
| Hazard warning switch insecure |1.4.B.1d| | 1 |
| Offside Rear Shock absorbers has a serious fluid leak | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Rear Exhaust has a major leak of exhaust gases On joint also rear box parted from its fittings under test |6.1.2 |a|| | 1 |
| Nearside Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Offside Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Power steering malfunctioning |2.3.3a| | 1 |
| rear parking |secondary| brakes imbalanced | 1 |
| Fuel system component leaking filter |7.2.3| | 1 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Battery insecure |1.9.1| | 1 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 1 |
| Offside Rear Lower Exhaust has a part missing |7.1.1a| | 1 |
| Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Fuel pipe leaking |7.2.3| | 1 |
| Rear Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 1 |
| Offside Front Power steering pipe|s| or hose|s| leaking |2.3.3b| | 1 |
| Nearside Rear brake disc contaminated by oil |3.5.1h| | 1 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Nearside Rear brake disc has restricted free movement |3.5.1j| | 1 |
| Offside Rear brake disc has restricted free movement |3.5.1j| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Rear Headlamp not working on dipped beam |1.7.5a| | 1 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Front Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Rear brake disc excessively pitted |3.5.1h| | 1 |
| Rear brake disc excessively scored |3.5.1h| | 1 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Exhaust has a major leak of exhaust gases centre silencer holed |7.1.2| | 1 |
| Exhaust has a major leak of exhaust gases flexy joint |6.1.2 |a|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Nearside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 1 |
| Offside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 1 |
| Nearside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 1 |
| Offside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 1 |
| Brake lever pivot has excessive wear or free play (1.1.1 (b)) | 1 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 1 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 1 |
| Rear Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 1 |
| Centre Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Headlamp has a product on the lens so that the light output is severely reduced |4.1.4 |b|| | 1 |
| Offside Front Headlamp has a product on the lens so that the light output is severely reduced |4.1.4 |b|| | 1 |
| Offside Rear Brake pipe leaking on a hydraulic braking system front to rear (1.1.11 (b) (ii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Nearside Position lamp not working |4.2.1 |a|| | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 1 |
| Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 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 |
| Fuel tank insecure |7.2.1| | 1 |
| Offside Rear Anti-roll bar linkage worn and seriously weakened |2.4.G.1| | 1 |
| Nearside Rear Anti-roll bar linkage worn and seriously weakened |2.4.G.1| | 1 |
| Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Trailer electrical socket |13 pin| not operating the trailer lamps as intended |1.9.4| | 1 |
| Nearside Front Suspension arm rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Offside Rear Brake pipe excessively damaged |3.6.B.2c| | 1 |
| Nearside Rear Fuel system component leaking |7.2.3| | 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 |
| All position lamps not working |1.1.A.3b| | 1 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Nearside Rear Brake lining|s| less than 1.5 mm thick |3.5.1g| | 1 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 1 |
| Fuel cap/sealing device sealing washer missing |7.2.4c| | 1 |
| Nearside Rear Brake pipe leaking |3.6.A.1| | 1 |
| Nearside Front Fuel system component leaking |7.2.3| | 1 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Fuel hose leaking |7.2.3| | 1 |
| Anti-lock braking system warning lamp sequence is incorrect |3.4.1d| | 1 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |