| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 29 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 16 |
| Windscreen wiper does not clear the windscreen effectively | 15 |
| Parking brake: efficiency below requirements |3.7.B.7| | 14 |
| Brake hose excessively deteriorated | 14 |
| Registration plate lamp issues | 12 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 11 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 9 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 8 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 8 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 7 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Brake load sensing valve linkage seized |3.6.E.3| | 5 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Registration plate issues | 5 |
| Rear parking brake recording little or no effort | 5 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 4 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Nearside Rear Stop lamp not working |1.2.1b| | 4 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 4 |
| Nearside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 4 |
| Nearside Front Headlamp insecure |1.7.3| | 4 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 3 |
| Offside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 3 |
| Windscreen has damage | 3 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 3 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 2 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Headlamp switch faulty |1.7.1| | 2 |
| Brake pedal spongy |3.3.B.1b| | 2 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 2 |
| Nearside Headlamp insecure |1.7.3| | 2 |
| Offside Headlamp not in a clean condition affecting beam image |1.2.4a| | 2 |
| Rear Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 2 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 2 |
| Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Brake pipe excessively corroded | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Offside Front Headlamp insecure |1.7.3| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 2 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Outer Rear Lower Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Outer Rear Lower Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Headlamp insecure |1.7.3| | 1 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Nearside Front Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 1 |
| Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Front All position lamps not working |1.1.A.3b| | 1 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Nearside Front Front constant velocity joint is excessively worn |2.5.C.1b| | 1 |
| Offside Front Front constant velocity joint is excessively worn |2.5.C.1b| | 1 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Direction indicators not in good working order |function impaired| |1.5.A1b| | 1 |
| Nearside Rear passenger seat cannot be secured in the upright position. |6.2.3| | 1 |
| Offside Headlamps matched pair are not the same colour |1.7.6| | 1 |
| Nearside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Nearside Headlamp not in a clean condition affecting beam image |1.2.4a| | 1 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 1 |
| Nearside Rear Lower Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Rear Lower Brake load sensing valve linkage seized |3.6.E.3| | 1 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Offside Front Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Offside Rear Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 1 |
| Front brake disc excessively pitted |3.5.1h| | 1 |
| Rear fog lamp switch faulty |1.3.1a| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Rear Brake pipe kinked |3.6.B.2b| | 1 |
| Nearside Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Front brake disc excessively scored |3.5.1h| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Exhaust engine idle speed too high |7.3.D.1| | 1 |
| Brake valve damaged |3.6.A.2c| | 1 |
| Anti-lock braking system warning lamp sequence is incorrect |3.4.1d| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Rear Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 1 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Exhaust has a part missing |7.1.1a| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Rear Exhaust mounting missing |7.1.1b| | 1 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 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 Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 1 |
| Nearside Seat belt anchorage prescribed area is inadequately repaired |5.2.6| | 1 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Front passenger seat insecure |6.2.3| | 1 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Rear fog lamp excessively deteriorated so that it is not visible from a reasonable distance |1.3.2d| | 1 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Offside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside front brake juddering severely |3.7.A.2b| | 1 |
| Offside Steering rack damaged and unserviceable |2.2.C.1d| | 1 |
| Offside Obligatory mirror missing |8.1.1| | 1 |
| Brake hose has insufficient room to move | 1 |
| Front Side repeater incorrect colour |1.4.A.2f| | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Brake operation has insufficient reserve pressure/vacuum to provide assistance for at least two more brake applications after the warning lamp or other device has operated |3.3.E.5b| | 1 |