| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 94 |
| Windscreen wiper does not clear the windscreen effectively | 85 |
| Service brake: efficiency below requirements |3.7.B.7| | 47 |
| Registration plate lamp issues | 29 |
| Brake pipe excessively corroded | 25 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 25 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 24 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 24 |
| Horn not working |1.6.2a| | 22 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 20 |
| Brakes imbalanced across an axle | 20 |
| Offside Rear fog lamp not working |1.3.2b| | 16 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 15 |
| Registration plate issues | 13 |
| Rear fog lamp not working |1.3.2b| | 12 |
| Nearside Stop lamp not working |1.2.1b| | 11 |
| Brake load sensing valve linkage seized |3.6.E.3| | 9 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 9 |
| Parking brake: efficiency below requirements |3.7.B.7| | 9 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 8 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 7 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 7 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Fuel tank leaking |7.2.3| | 6 |
| Front brake application uneven | 6 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 6 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 6 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 6 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 5 |
| Nearside Headlamp not working on main beam |1.7.5a| | 5 |
| Offside Stop lamp not working |1.2.1b| | 5 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Nearside Rear Rear position lamp|s| incomplete |1.1.4a| | 5 |
| Rear parking brake recording little or no effort | 4 |
| Rear brake application uneven | 4 |
| Nearside Rear Stop lamp not working |1.2.1b| | 4 |
| Offside Front Headlamp insecure |1.7.3| | 4 |
| Offside Headlamp insecure |1.7.3| | 4 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 4 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Brake hose excessively deteriorated | 4 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Rear Rear position lamp|s| incomplete |1.1.4a| | 4 |
| Horn not working (7.7 (a)) | 4 |
| Rear Stop lamp not working |1.2.1b| | 3 |
| Fuel system component leaking |7.2.3| | 3 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 3 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Offside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 3 |
| Nearside front brake binding |3.7.B.1| | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Offside Rear position lamp|s| insecure |1.1.A.3a| | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 2 |
| Nearside Rear Service brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 2 |
| Offside Rear Service brake effort inadequate at a wheel |1.2.1 |a| |i|| | 2 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Rear Leaf spring fractured |2.4.B.1a| | 2 |
| Rear brake binding | 2 |
| Offside Front Direction indicator not working |1.4.A.2c| | 2 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 2 |
| Nearside Front Direction indicator insecure |1.4.A.2b| | 2 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 2 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 2 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 2 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 2 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Hazard warning switch faulty |1.4.B.1d| | 2 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 2 |
| rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Offside Obligatory mirror missing |8.1.1| | 2 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 2 |
| Nearside Stop lamp emits other than a steady red light |1.2.1e| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Rear fog lamp insecure |1.3.2a| | 2 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside engine mounting deteriorated resulting in excessive movement |6.1.D.1a| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.4.B.1| | 2 |
| Stop lamp not working both |1.2.1b| | 2 |
| Offside Front Direction indicator incomplete |1.5.A1b| | 2 |
| Nearside Front Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 2 |
| Offside Front Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 2 |
| Brake load sensing valve seized and ABS not fitted or inoperative (1.1.17 (c) (ii)) | 2 |
| Nearside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front front brake binding |3.7.B.1| | 2 |
| Offside Rear Body has a sharp edge caused by damage |6.1.C.1| | 2 |
| Brake pedal has no servo assistance |3.3.B.2| | 2 |
| Windscreen wiper blade insecure | 2 |
| Windscreen has damage | 2 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 2 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |