| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 933 |
| Registration plate lamp issues | 781 |
| Brake pipe excessively corroded | 755 |
| Headlamp aim out of alignment | 608 |
| Brakes imbalanced across an axle | 474 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 265 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 254 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 224 |
| Offside Stop lamp not working |1.2.1b| | 193 |
| Nearside Stop lamp not working |1.2.1b| | 187 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 179 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 170 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 161 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 159 |
| Registration plate issues | 155 |
| Front brake disc in such a condition that it is seriously weakened | 150 |
| Front brake application uneven | 121 |
| Offside Front brake disc excessively pitted |3.5.1h| | 88 |
| Emissions not tested |7.0| | 81 |
| Nearside front brake binding |3.7.B.1| | 75 |
| Nearside Rear Stop lamp not working |1.2.1b| | 74 |
| Brake pedal spongy |3.3.B.1b| | 73 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 72 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 70 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 69 |
| Offside Rear Stop lamp not working |1.2.1b| | 69 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 64 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 58 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 56 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 53 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 51 |
| Parking brake: efficiency below requirements |3.7.B.7| | 50 |
| Offside front brake binding |3.7.B.1| | 49 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 47 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 44 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 41 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 40 |
| Anti-lock braking system warning lamp indicates an ABS fault | 39 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 38 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 37 |
| Front brake disc excessively pitted |3.5.1h| | 36 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 35 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 34 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 34 |
| Horn not working |1.6.2a| | 33 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 33 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 32 |
| Battery insecure |1.9.1| | 31 |
| Windscreen wiper blade insecure | 31 |
| Rear parking brake recording little or no effort | 30 |
| Parking brake lever has no reserve travel |3.1.6b| | 29 |
| Windscreen has damage | 29 |
| Front brake excessively fluctuating | 29 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 28 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 28 |
| Rear brake application uneven | 26 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 26 |
| Nearside Front front brake binding |3.7.B.1| | 26 |
| Mechanical brake component has restricted free movement | 25 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 23 |
| Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 23 |
| Offside Front front brake binding |3.7.B.1| | 23 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 22 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 22 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 22 |
| Service brake: efficiency below requirements |3.7.B.7| | 22 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 22 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 21 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 21 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 21 |
| Brake hose excessively deteriorated | 21 |
| Offside Front brake disc excessively scored |3.5.1h| | 20 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 20 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 20 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 20 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded outer sill |2.4.A.3| | 19 |
| Offside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 19 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 19 |
| Rear Exhaust system not adequately supported |7.1.1| | 19 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 18 |
| Rear fog lamp tell tale not working |1.3.1b| | 18 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 18 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 18 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 18 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 18 |
| Rear brake binding | 18 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 17 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 17 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 16 |
| Emissions not tested |7.3.A.1| | 16 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded outer sill |2.4.A.3| | 15 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 15 |
| Nearside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 15 |
| Offside Rear Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 14 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 14 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 14 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Nearside Front brake disc excessively scored |3.5.1h| | 13 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 13 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 13 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 13 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 13 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 13 |