| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4361 |
| Windscreen wiper does not clear the windscreen effectively | 2857 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 2684 |
| Registration plate lamp issues | 2543 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1842 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1623 |
| Brake hose excessively deteriorated | 1561 |
| Nearside Stop lamp not working |1.2.1b| | 1130 |
| Offside Stop lamp not working |1.2.1b| | 1094 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1087 |
| Rear parking brake recording little or no effort | 1042 |
| Registration plate issues | 996 |
| Brake load sensing valve linkage seized |3.6.E.3| | 990 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 990 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 834 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 769 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 761 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 760 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 711 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 707 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 651 |
| Emissions not tested |7.0| | 592 |
| Front brake disc in such a condition that it is seriously weakened | 562 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 547 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 537 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 528 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 525 |
| Offside Rear fog lamp not working |1.3.2b| | 525 |
| Nearside Rear Stop lamp not working |1.2.1b| | 474 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 459 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 448 |
| Brake pipe excessively corroded | 444 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 435 |
| Parking brake lever has no reserve travel |3.1.6b| | 427 |
| Offside Rear Stop lamp not working |1.2.1b| | 414 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 408 |
| Rear brake binding | 392 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 391 |
| Brakes imbalanced across an axle | 383 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 382 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 379 |
| Nearside Headlamp insecure |1.7.3| | 379 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 362 |
| Offside Headlamp insecure |1.7.3| | 361 |
| Offside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 353 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 348 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 344 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 343 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 325 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 324 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 322 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 317 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 307 |
| Nearside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 306 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 305 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 304 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 295 |
| Anti-lock braking system warning lamp indicates an ABS fault | 292 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 274 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 268 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 264 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 256 |
| Offside Brake cable has wires broken and is significantly weakened |3.5.1b| | 253 |
| Direction indicators incorrect colour |1.4.A.2f| | 242 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 239 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 237 |
| Offside Headlamp not working on main beam |1.7.5a| | 234 |
| Nearside Brake cable has wires broken and is significantly weakened |3.5.1b| | 233 |
| Horn not working |1.6.2a| | 229 |
| Rear Exhaust system not adequately supported |7.1.1| | 222 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 221 |
| Rear brake application uneven | 221 |
| Nearside Headlamp not working on main beam |1.7.5a| | 219 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 197 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 195 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 181 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 174 |
| Service brake: efficiency below requirements |3.7.B.7| | 171 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 163 |
| Nearside Front Headlamp insecure |1.7.3| | 161 |
| Windscreen wiper blade insecure | 160 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 160 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 158 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 158 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 153 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 147 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 147 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 147 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 146 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 143 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 141 |
| Offside Front brake disc excessively pitted |3.5.1h| | 139 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 136 |
| Windscreen has damage | 135 |
| Offside Front Headlamp insecure |1.7.3| | 134 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 134 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 132 |
| Rear Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 130 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 129 |
| Rear fog lamp tell tale not working |1.3.1b| | 126 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 126 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 124 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 124 |
| Exhaust system not adequately supported |7.1.1| | 119 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 117 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 109 |
| Brake load sensing valve seized |3.6.E.3| | 109 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 108 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 106 |
| Battery insecure |1.9.1| | 104 |
| Headlamp switch faulty |1.7.1| | 104 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 100 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 99 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 99 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 97 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 96 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 95 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 94 |
| Brake pedal spongy |3.3.B.1b| | 93 |
| Front brake application uneven | 92 |
| Stop lamp not working |1.2.1b| | 90 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 90 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 89 |
| Nearside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 88 |
| Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 86 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 86 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 85 |
| Front brake disc excessively pitted |3.5.1h| | 84 |
| Rear wheel bearing has excessive play |2.6.2| | 81 |
| Brake load sensing valve has been disconnected and was fitted as standard |3.6.E.2| | 79 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 79 |
| Rear Mechanical brake component has restricted free movement | 78 |
| Offside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 78 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 76 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 76 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 75 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 73 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 73 |
| Horn sounds harsh or grating |1.6.2e| | 73 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 71 |
| Offside Front Direction indicator not working |1.4.A.2c| | 71 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 71 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 70 |
| Nearside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 70 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 69 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 69 |
| Offside Obligatory mirror insecure |8.1.1| | 67 |
| Offside Rear Brake load sensing valve linkage seized |3.6.E.3| | 66 |
| Direction indicator incorrect colour |1.4.A.2f| | 65 |
| Rear Stop lamp not working |1.2.1b| | 64 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 64 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 63 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 63 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 63 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 62 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 61 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 61 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 61 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 60 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 60 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 60 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 59 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 58 |
| Exhaust emits dense blue smoke at idle |7.3.A.2b| | 56 |
| Offside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 56 |
| Hazard warning switch faulty |1.4.B.1d| | 56 |
| Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 56 |