| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 47 |
| Registration plate lamp issues | 43 |
| Headlamp aim out of alignment | 25 |
| Brake pipe excessively corroded | 22 |
| Brakes imbalanced across an axle | 12 |
| Offside Stop lamp not working |1.2.1b| | 9 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Registration plate issues | 5 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 5 |
| Parking brake: efficiency below requirements |3.7.B.7| | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 4 |
| Front brake disc excessively pitted |3.5.1h| | 3 |
| Offside Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Rear parking brake recording little or no effort | 3 |
| Rear brake application uneven | 3 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front position lamp(s) not working (1.1.A.3b) | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 2 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 2 |
| Offside Rear Trailing arm corroded and seriously weakened |2.4.G.1| | 2 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 2 |
| Offside Front brake disc excessively pitted |3.5.1h| | 2 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 2 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Headlamp switch faulty |1.7.1| | 2 |
| Front brake application uneven | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Nearside Front position lamp(s) not working (1.1.A.3b) | 2 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Headlamp aim beam image kick up to the offside |1.6.B1| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6.B1| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 1 |
| 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| | 1 |
| Nearside Rear Road wheel fixing loose Wheel nut |5.2.1 |a| |i|| | 1 |
| Nearside Rear Tie bar/rod corroded and seriously weakened |2.4.G.1| | 1 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Battery insecure and likely to cause a short circuit |4.13 |a| |ii|| | 1 |
| Brake load sensing valve seized and ABS not fitted or inoperative |1.1.17 |c| |ii|| | 1 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| both rack ends |2.2.A.1b| | 1 |
| Offside Obligatory mirror insecure |8.1.1| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Rear Road wheel distorted inside edge |4.2.A.1a| | 1 |
| Offside Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Rear Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 1 |
| Nearside Front Obligatory mirror missing |8.1.1| | 1 |
| Offside Front Fluid suspension unit leaking |2.4.D.2| | 1 |
| Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Headlamp aim not tested |1.8.A.1c| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| brake disc excessively scored |3.5.1h| | 1 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Front Suspension arm has excessive play in a ball joint both |2.4.G.2| | 1 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 1 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt clip broken (6.1.7 (g) (ii)) | 1 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 1 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt outer clip broken (6.1.7 (g) (ii)) | 1 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 1 |
| Offside Rear Radius arm corroded and seriously weakened |2.4.G.1| | 1 |
| Brake hose excessively deteriorated | 1 |
| Offside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Fuel pipe leaking filler |7.2.3| | 1 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Front Rear fog lamp not working |1.3.2b| | 1 |
| Offside Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 1 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement front and rear bushes |2.4.G.2| | 1 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement front and rear bushes |2.4.G.2| | 1 |
| Rear Trailing arm rubber bush deteriorated resulting in excessive movement both |2.4.G.2| | 1 |
| Nearside Front Headlamp insecure |1.7.3| | 1 |
| Offside Front position lamp|s| has less than 50% of the light sources illuminating |1.1.A.3b| | 1 |
| Brake load sensing valve seized |3.6.E.3| | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear brake binding | 1 |
| Offside Front Headlamp insecure |1.7.3| | 1 |
| Nearside Front Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Front Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Nearside Obligatory mirror insecure |8.1.1| | 1 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Brake load sensing valve linkage defective and function impaired |1.1.17 |a|| | 1 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 1 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 1 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Nearside Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt split |6.1.7 |g| |ii|| | 1 |
| Offside Front Drive shaft joint so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Steering rack has excessive free play detected at the steering wheel (steering rack fitted) (2.3 (a) (i)) | 1 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear reflector excessively deteriorated so that its function is impaired |1.5.1c| | 1 |
| Offside Front Front suspension locking device missing |2.5.A.4| | 1 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Front Anti-roll bar attachment bracket/mounting corroded and seriously weakened (5.3.3 (b) (i)) | 1 |
| Central Exhaust system insecure (6.1.2 (a)) | 1 |
| Service brake efficiency less than 50% of the required value (1.2.2 (a) (ii)) | 1 |
| Rear Brake load sensing valve seized |3.6.E.3| | 1 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Rear Suspension arm worn and seriously weakened |2.4.G.1| | 1 |
| Offside Rear Brake pipe seriously damaged |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 1 |
| Offside Rear Shock absorbers has a serious fluid leak | 1 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Nearside Front Inner Steering linkage ball joint has excessive play tie rod (2.1.3 (b) (i)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Stop lamp not working (1.2.1b) | 1 |
| Offside Front Valve stem seriously misaligned (4.1.D.1e) | 1 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint (2.4.G.2) | 1 |
| Offside Front Lower Suspension arm has excessive play in a ball joint (2.4.G.2) | 1 |
| Nearside Front position lamp(s) insecure (1.1.A.3a) | 1 |
| Rear rear brake recording little or no effort (3.7.B.5a) | 1 |
| 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) | 1 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt (2.4.G.2) | 1 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt (2.2.C.1c) | 1 |
| Nearside front brakes release unevenly (3.7.B.4) | 1 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3) | 1 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive (7.3.D.3) | 1 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3) | 1 |
| Exhaust emissions carbon monoxide content at idle excessive (7.3.D.4) | 1 |
| Offside Stop lamp not working (1.2.1b) | 1 |
| Nearside Front Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Offside Front Lower Ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Front Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Nearside Inner Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 1 |
| Offside Rear coil spring fractured |2.4.C.1a| | 1 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 1 |
| Windscreen has damage | 1 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Electrical wiring insecure at battery |1.9.2a| | 1 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Rear Trailing arm corroded and seriously weakened both |2.4.G.1| | 1 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Brake load sensing valve linkage seized |3.6.E.3| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Front Obligatory mirror missing |8.1.1| | 1 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 1 |