| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Registration plate lamp issues | 13 |
| Windscreen wiper does not clear the windscreen effectively | 9 |
| Nearside Stop lamp not working |1.2.1b| | 8 |
| Brake pipe excessively corroded | 5 |
| Rear fog lamp not working |1.3.2b| | 4 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Rear parking brake recording little or no effort | 3 |
| Offside Rear fog lamp not working |1.3.2b| | 3 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 3 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Brakes imbalanced across an axle | 2 |
| Horn not working |1.6.2a| | 2 |
| Brake hose excessively deteriorated | 2 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Exhaust system not adequately supported |7.1.1| | 2 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1 |
| Nearside Windscreen wiper blade missing |8.2.2| | 1 |
| Offside Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Offside front brake binding |3.7.B.1| | 1 |
| Offside An item not tested |Manual| | 1 |
| Nearside Headlamp aim beam image too far to the right |1.6.B4| | 1 |
| Offside Headlamp aim beam image too far to the right |1.6.B4| | 1 |
| Rear brake disc excessively pitted |3.5.1h| | 1 |
| Nearside Obligatory mirror is incapable of being adjusted to provide an adequate view to the rear |8.1.2b| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 1 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Centre Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1 |
| Offside Front Drag link 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 |
| Nearside Battery insecure and likely to fall from carrier |4.13 |a| |ii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Front Electrical wiring likely to touch hot or rotating parts |4.11 |a| |iii|| | 1 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 1 |
| Offside Stop lamp|s| remains on when the brakes are released |4.3.2 |a| |iii|| | 1 |
| Rear Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Offside Front Side repeater not working |1.4.A.2c| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Front Headlamp aim beam image too far to the left |1.6.B4| | 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 Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Central Rear Brake pipe leaking on a hydraulic braking system before compensator |1.1.11 |b| |ii|| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside All outline marker lamps not working x3 |4.2.1 |a|| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Front Side repeater not working |4.4.1 |a| |ii|| | 1 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 1 |
| Offside Front brake disc excessively pitted |3.5.1h| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.6.B1| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6.B1| | 1 |
| Windscreen has damage | 1 |
| Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 1 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Front All position lamps not working |1.1.A.3b| | 1 |
| Offside Rear Upper All position lamps not working |1.1.A.3b| | 1 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 1 |
| Offside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 1 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.4.B.1| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Nearside All position lamps not working |1.1.A.3b| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Exhaust emissions exceed level of metered smoke for a non-turbo charged engine (8.2.2.2 (b)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Valve stem seriously damaged valve extensions badly cracked & perished (5.2.3 (j)) | 1 |
| Offside Rear Valve stem seriously damaged valve extensions badly cracked & perished (5.2.3 (j)) | 1 |
| Nearside Front Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 1 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Windscreen washer not working | 1 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 1 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Front Brake pipe leaking on an air braking system (1.1.11 (b) (i)) | 1 |
| Nearside Front Headlamp insecure (4.1.1 (c)) | 1 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 1 |
| Offside Side repeater lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Front Brake hose bulging under pressure (1.1.12 (d)) | 1 |
| Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Rear Brake pipe leaking on an air braking system (1.1.11 (b) (i)) | 1 |