| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 514 |
| Headlamp aim out of alignment | 505 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 479 |
| Registration plate lamp issues | 392 |
| Windscreen wiper does not clear the windscreen effectively | 348 |
| Brake pipe excessively corroded | 317 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 286 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 267 |
| Rear parking brake recording little or no effort | 260 |
| Brakes imbalanced across an axle | 176 |
| Parking brake lever has no reserve travel |3.1.6b| | 146 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 146 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 135 |
| Service brake: efficiency below requirements |3.7.B.7| | 133 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 119 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 119 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 99 |
| Offside Stop lamp not working |1.2.1b| | 96 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 93 |
| Registration plate issues | 93 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 87 |
| Rear brake binding | 86 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 83 |
| Nearside Stop lamp not working |1.2.1b| | 77 |
| Emissions not tested |7.0| | 65 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 63 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 58 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 58 |
| Offside Rear fog lamp not working |1.3.2b| | 56 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 48 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 45 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 41 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 41 |
| Nearside Rear Stop lamp not working |1.2.1b| | 41 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 40 |
| Front brake disc in such a condition that it is seriously weakened | 40 |
| Front brake application uneven | 39 |
| Offside Rear Stop lamp not working |1.2.1b| | 38 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 37 |
| Anti-lock braking system warning lamp indicates an ABS fault | 37 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 35 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 33 |
| Horn not working |1.6.2a| | 32 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 31 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 31 |
| Windscreen has damage | 29 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 29 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 28 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 28 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 27 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 26 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 26 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 25 |
| Offside front brake binding |3.7.B.1| | 25 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 25 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 24 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 24 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 23 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 23 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 22 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 21 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 21 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 20 |
| Rear brake application uneven | 19 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 19 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 19 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 18 |
| Windscreen wiper blade insecure | 18 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 18 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 17 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 17 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 17 |
| Rear fog lamp tell tale not working |1.3.1b| | 16 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 16 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 16 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 16 |
| Rear brake disc in such a condition that it is seriously weakened | 15 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 15 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 15 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 15 |
| Nearside front brake binding |3.7.B.1| | 15 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 15 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 15 |
| Brake pedal spongy |3.3.B.1b| | 15 |
| Rear Mechanical brake component has restricted free movement | 14 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 14 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 14 |
| Battery insecure |1.9.1| | 14 |
| Offside Front Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 14 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 13 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 13 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 13 |
| Nearside Headlamp insecure |1.7.3| | 13 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 12 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 12 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 12 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 12 |
| Offside Headlamp insecure |1.7.3| | 12 |
| Rear fog lamp not working |1.3.2b| | 12 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Exhaust engine idle speed too high |7.3.D.1| | 12 |
| Offside Front brake disc excessively pitted |3.5.1h| | 12 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 11 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 11 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Offside Front front brake binding |3.7.B.1| | 11 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 11 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 11 |
| Nearside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 11 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 11 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 10 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Offside Side repeater insecure |1.4.A.2b| | 10 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 10 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 10 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Rear brake disc excessively pitted |3.5.1h| | 10 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 10 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 10 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 10 |
| Centre Stop lamp not working |1.2.1b| | 10 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 9 |
| Front position lamp|s| not working |1.1.A.3b| | 9 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 9 |
| Nearside Rear brake caliper has restricted free movement |3.5.1k| | 9 |
| Offside Side repeater not working |1.4.A.2c| | 9 |