| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 22 |
| Windscreen wiper does not clear the windscreen effectively | 9 |
| Registration plate lamp issues | 8 |
| Brake pipe excessively corroded | 7 |
| Parking brake: efficiency below requirements |3.7.B.7| | 5 |
| Rear brake binding | 5 |
| Rear parking brake recording little or no effort | 5 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Brakes imbalanced across an axle | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Horn not working |1.6.2a| | 3 |
| Rear fog lamp tell tale not working |1.3.1b| | 3 |
| Offside Stop lamp not working |1.2.1b| | 3 |
| Offside Front Direction indicator not working |1.4.A.2c| | 3 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 2 |
| Rear fog lamp switch faulty |1.3.1a| | 2 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 2 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Offside Rear fog lamp missing |1.3.2a| | 2 |
| Brake hose excessively deteriorated | 2 |
| Windscreen has damage | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Registration plate issues | 2 |
| Nearside Side repeater not working |1.4.A.2c| | 2 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Nearside Stop lamp not working |1.2.1b| | 2 |
| Nearside Rear Exhaust has a major leak of exhaust gases silencer |7.1.2| | 1 |
| Offside Rear Exhaust has a major leak of exhaust gases silencer |7.1.2| | 1 |
| Rear Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Offside Front Direction indicator flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Offside Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Power steering ram|s| leaking from a failed component |2.3.3b| | 1 |
| Offside Power steering ram|s| leaking from a failed component |2.3.3b| | 1 |
| Emissions not tested |7.0| | 1 |
| Power steering component|s| leaking |2.3.3b| | 1 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Offside Front Lower Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Offside Front Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 1 |
| Front Seat belt stitching not secure |5.2.2b| | 1 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Horn control not readily accessible to the driver |1.6.1| | 1 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Rear Wheel bearing has excessive play left side (5.1.3 (a) (i)) | 1 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Offside Rear Rear fog lamp missing (4.5.1 (a) (ii)) | 1 |
| Nearside Outer Rear Drive shaft uj which forms part of the suspension has excessive play in a universal joint |2.4.G.4b| | 1 |
| Offside Outer Rear Drive shaft uj which forms part of the suspension has excessive play in a universal joint |2.4.G.4b| | 1 |
| Nearside Outer Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Outer Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Parking brake lever pawl spring does not push the pawl positively into the ratchet teeth |3.1.5| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Rear fog lamp adversely affected by the operation of another lamp |1.3.2f| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| brake caliper has restricted free movement |3.5.1k| | 1 |
| Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 1 |
| Offside Brake pipe leaking |3.6.A.1| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Power steering fluid level below minimum |2.3.1| | 1 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 1 |
| front brake binding |3.7.B.1| | 1 |
| Nearside Direction indicators not working |1.4.A.2c| | 1 |
| Offside Direction indicators not working |1.4.A.2c| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Rear fog lamp tell tale missing |1.3.1b| | 1 |
| Brake servo vacuum pipe deteriorated |3.6.C.1b| | 1 |
| Offside Rear Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear 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 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 1 |
| brake disc in such a condition that it is seriously weakened |3.5.1i| | 1 |
| Steering rack gaiter split |2.2.D.2d| | 1 |
| Parking brake operation is causing the vehicle to swerve to the nearside |3.7.C.3a| | 1 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 1 |
| Rear fog lamp switch missing (4.5.3 (a)) | 1 |
| Offside Rear fog lamp missing (4.5.1 (a) (ii)) | 1 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |