| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 62 |
| Registration plate lamp issues | 39 |
| Headlamp aim out of alignment | 37 |
| Windscreen wiper does not clear the windscreen effectively | 22 |
| Nearside Stop lamp not working |1.2.1b| | 17 |
| Offside Rear fog lamp not working |1.3.2b| | 16 |
| Offside Stop lamp not working |1.2.1b| | 11 |
| Centre Stop lamp not working |1.2.1b| | 11 |
| Parking brake: efficiency below requirements |3.7.B.7| | 9 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 9 |
| Stop lamp not working |1.2.1b| | 8 |
| Rear parking brake recording little or no effort | 8 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 7 |
| Parking brake lever has no reserve travel |3.1.6b| | 7 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Brakes imbalanced across an axle | 7 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 7 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 5 |
| Emissions not tested |7.0| | 5 |
| Registration plate issues | 4 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 4 |
| Offside Front brake disc excessively pitted |3.5.1h| | 4 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Nearside Rear Stop lamp not working |1.2.1b| | 4 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 4 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 3 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Nearside Side repeater not working |1.4.A.2c| | 2 |
| Anti-lock braking system warning lamp indicates an ABS fault | 2 |
| Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Centre Rear Upper Stop lamp not working |1.2.1b| | 2 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 2 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 2 |
| Front brake application uneven | 2 |
| Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 2 |
| Offside Obligatory mirror insecure |8.1.1| | 2 |
| Battery insecure |1.9.1| | 2 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Nearside Headlamp insecure |1.7.3| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 2 |
| Offside Front Side repeater not working |1.4.A.2c| | 2 |
| Nearside Front brake disc excessively scored |3.5.1h| | 2 |
| Brake hose excessively deteriorated | 2 |
| Brake performance not tested |3.7.A.1| | 2 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 2 |
| Offside Side repeater not working |1.4.A.2c| | 2 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Offside Rear Stop lamp|s| adversely affected by the operation of another lamp |4.3.3 |b|| | 1 |
| Headlamp levelling device inoperative |4.1.5 |a|| | 1 |
| Nearside Headlamp insecure (4.1.1 (c)) | 1 |
| Offside Headlamp insecure (4.1.1 (c)) | 1 |
| Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Front brake disc excessively pitted |3.5.1h| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front Brake pipe inadequately supported |3.6.B.1| | 1 |
| Steering column top bearing excessively worn |2.1.2c| | 1 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 1 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| front brake binding |3.7.B.1| | 1 |
| An item not tested |Manual| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Rear Fuel pipe leaking |7.2.3| | 1 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Side repeater not working |1.4.A.2c| | 1 |
| Offside Front Obligatory mirror insecure |8.1.1| | 1 |
| Centre Rear Stop lamp not working |1.2.1b| | 1 |
| Rear Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Offside brake disc excessively scored |3.5.1h| | 1 |
| Nearside brake disc excessively pitted |3.5.1h| | 1 |
| Power steering malfunctioning |2.3.3a| | 1 |
| Nearside 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 |
| brake disc excessively pitted |3.5.1h| | 1 |
| Nearside Front Road wheel badly damaged |4.2.A.1a| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 1 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Offside Power steering ram|s| leaking from a failed component |2.3.3b| | 1 |
| Power steering inoperative |2.3.3a| | 1 |
| Offside Front Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Windscreen wiper blade insecure | 1 |
| Rear Shock absorber has negligible damping effect |2.7.5| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Track rod end ball pin shank loose |2.2.B.1c| | 1 |
| Nearside Bonded suspension unit bonding failed and part of unit is likely to become displaced |2.4.F.2| | 1 |
| Offside Bonded suspension unit bonding failed and part of unit is likely to become displaced |2.4.F.2| | 1 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Brake pipe inadequately supported |3.6.B.1| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Headlamp not in a clean condition affecting beam image |1.2.4a| | 1 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 1 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded outer sill |5.2.6| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Headlamp switch faulty |1.7.1| | 1 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Rear Macpherson strut severely distorted |2.4.G.1| | 1 |
| Power steering pump drive system defective |2.3.6| | 1 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Fuel system component insecure |7.2.1| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 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 |
| Offside Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Front brake disc excessively scored |3.5.1h| | 1 |
| Offside Obligatory mirror does not provide a view to the rear |8.1.2b| | 1 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Front Headlamp insecure |1.7.3| | 1 |
| Offside Front Headlamp insecure |1.7.3| | 1 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Offside Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 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 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 |
| Stop lamp remains on when the brakes are released | 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 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Fuel cap/sealing device sealing washer missing |7.2.4c| | 1 |
| Nearside Rear Rear position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Rear Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Nearside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Rear Rear fog lamp not working |1.3.2b| | 1 |
| Rear fog lamp switch faulty |1.3.1a| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |