| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Windscreen wiper does not clear the windscreen effectively | 7 |
| Service brake: efficiency below requirements |3.7.B.7| | 6 |
| Parking brake: efficiency below requirements |3.7.B.7| | 6 |
| Brake pipe excessively corroded | 6 |
| Horn not working |1.6.2a| | 5 |
| Registration plate lamp issues | 4 |
| Brakes imbalanced across an axle | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Battery insecure |1.9.1| | 2 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 2 |
| Rear fog lamp tell tale not working |1.3.1b| | 2 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Headlamp insecure |1.7.3| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Headlamp insecure |1.7.3| | 1 |
| Direction indicator insecure |1.4.A.2b| | 1 |
| Seat belt affected by a cracked seat frame |5.2.1b| | 1 |
| Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Fuel pipe leaking (6.1.3 (b) (i)) | 1 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Offside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 1 |
| Offside Front Fuel hose insecure under bonnet (6.1.3 (a) (i)) | 1 |
| Exhaust system insecure all exhaust rubbers missing held by wire (6.1.2 (a)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced Lens full of water |1.7.5a| | 1 |
| Brake pipe leaking Front to rear pipe burst on RBT |3.6.A.1| | 1 |
| Exhaust emits excessive smoke or vapour of any colour Excess white smoke omitted under load |7.4.B.4| | 1 |
| Offside rear brake recording little or no effort Parking brake making little or no effort |3.7.B.5a| | 1 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Nearside Front brake disc excessively scored |3.5.1h| | 1 |
| Offside Front brake disc excessively scored |3.5.1h| | 1 |
| Exhaust mounting missing |7.1.1b| | 1 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Brake has no servo assistance |3.3.B.2| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Upper Front position lamp|s| not working both |1.1.A.3b| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Outer Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Inner Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Outer Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 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 Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Oil leaking excessively from engine |8.4.1 |a| |i|| | 1 |
| Offside 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 |
| Offside Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Offside Inner Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced wing and outrigger |6.1.1 |c| |i|| | 1 |
| Nearside Rear Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced inner wing |6.1.1 |c| |i|| | 1 |
| Centre Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Driver`s door does not latch securely closed |6.2.B.1a| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Front Brake pipe fouled by moving parts |3.6.B.2a| | 1 |
| Nearside Front brake caliper leaking |3.6.A.1| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Vehicle Identification Number not permanently displayed |6.3.5.a| | 1 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Front Position lamp not working both front sidelights inop (4.2.1 (a) (ii)) | 1 |
| Nearside Front Seat belt insecurely fixed to the seat |5.2.1a| | 1 |
| Offside Front Seat belt insecurely fixed to the seat |5.2.1a| | 1 |
| Offside Front Headlamp insecure |1.7.3| | 1 |
| Nearside Front Headlamp adversely affected by the operation of another lamp |1.7.5c| | 1 |
| Offside Front Headlamp adversely affected by the operation of another lamp |1.7.5c| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Nearside Rear Coil spring not correctly located |2.4.C.2| | 1 |
| Offside Rear Coil spring not correctly located |2.4.C.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 |
| Nearside Front Lower Suspension component mounting prescribed area is excessively corroded inner wing |2.4.A.3| | 1 |
| Nearside Front Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Emissions not tested |7.0| | 1 |
| Trailer electrical socket |13 pin| not operating the trailer lamps as intended |1.9.4| | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Front Body or chassis has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear fog lamp obviously incorrectly positioned |1.3.2a| | 1 |