| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 511 |
| Windscreen wiper does not clear the windscreen effectively | 462 |
| Headlamp aim out of alignment | 450 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 293 |
| Brake hose excessively deteriorated | 217 |
| Brakes imbalanced across an axle | 158 |
| Brake pipe excessively corroded | 157 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 156 |
| Registration plate issues | 152 |
| Offside Stop lamp not working |1.2.1b| | 146 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 142 |
| Front brake disc in such a condition that it is seriously weakened | 140 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 138 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 134 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 124 |
| Nearside Stop lamp not working |1.2.1b| | 123 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 110 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 108 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 107 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 107 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 102 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 98 |
| Emissions not tested |7.0| | 94 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 92 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 85 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 83 |
| Brake load sensing valve linkage seized |3.6.E.3| | 80 |
| Parking brake: efficiency below requirements |3.7.B.7| | 72 |
| Rear brake application uneven | 71 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 63 |
| Service brake: efficiency below requirements |3.7.B.7| | 59 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 56 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 55 |
| Horn not working |1.6.2a| | 54 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 52 |
| Rear parking brake recording little or no effort | 51 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 51 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 50 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 49 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 48 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 48 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 47 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 46 |
| Nearside Rear Stop lamp not working |1.2.1b| | 45 |
| Offside Rear Stop lamp not working |1.2.1b| | 45 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 45 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 44 |
| Windscreen wiper blade insecure | 41 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 40 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 38 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 37 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 37 |
| Offside Rear fog lamp not working |1.3.2b| | 37 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 35 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 34 |
| Rear brake binding | 34 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 34 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 33 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 32 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 31 |
| Rear Exhaust system not adequately supported |7.1.1| | 30 |
| Centre Rear Statutory seat belt missing |5.1.1| | 29 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 28 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 28 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 27 |
| Front brake application uneven | 27 |
| Offside Headlamp not working on main beam |1.7.5a| | 26 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 25 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.4.B.1| | 25 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 25 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 24 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 24 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 24 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 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 Front Direction indicators incorrect colour |1.4.A.2f| | 22 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 21 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 21 |
| Windscreen has damage | 21 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 20 |
| Brake hose damaged | 20 |
| Direction indicators incorrect colour |1.4.A.2f| | 19 |
| Rear fog lamp tell tale not working |1.3.1b| | 19 |
| Rear Brake valve leaking |3.6.A.1| | 18 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 17 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 17 |
| Offside passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 17 |
| Nearside Headlamp not working on main beam |1.7.5a| | 16 |
| Offside Front brake disc excessively pitted |3.5.1h| | 16 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 16 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 16 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 16 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 16 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 16 |
| Offside Steering rack gaiter split |2.2.D.2d| | 15 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 15 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 15 |
| Offside Side repeater not working |1.4.A.2c| | 15 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 15 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 14 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 14 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 14 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 14 |
| Nearside Rear Braking system leaking |3.6.A.1| | 14 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 13 |
| Centre Statutory seat belt missing |5.1.1| | 13 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 13 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 13 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 13 |
| Parking brake lever ratchet mechanism is broken |3.1.5| | 12 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 12 |
| Offside Ball joint has excessive play |2.2.B.1f| | 12 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 11 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 11 |
| Direction indicator incorrect colour |1.4.A.2f| | 11 |
| Rear fog lamp not working |1.3.2b| | 11 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 11 |
| Offside Front Obligatory mirror insecure |8.1.1| | 11 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 11 |
| Brake load sensing valve linkage obviously incorrectly adjusted |3.6.E.3| | 11 |
| Offside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 10 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 10 |
| An item not tested |Manual| | 10 |
| Exhaust system not adequately supported |7.1.1| | 10 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 10 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 10 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 10 |
| Parking brake lever has no reserve travel |3.1.6b| | 10 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 10 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 10 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 10 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 10 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 10 |
| Nearside Side repeater not working |1.4.A.2c| | 10 |
| Offside Obligatory mirror insecure |8.1.1| | 10 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 10 |
| Front brake disc excessively pitted |3.5.1h| | 9 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 9 |
| Brake load sensing valve seized |3.6.E.3| | 9 |
| Brake valve leaking |3.6.A.1| | 9 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 9 |
| Spare wheel carrier insecure |6.4.2| | 9 |
| Offside Headlamp aim not tested |1.8.A.1c| | 9 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 9 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 9 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Offside Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 9 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Nearside Inner Rear position lamp|s| not working |1.1.A.3b| | 9 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 9 |
| Fuel system component leaking |7.2.3| | 9 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 9 |