| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 220 |
| Headlamp aim out of alignment | 215 |
| Parking brake: efficiency below requirements |3.7.B.7| | 183 |
| Windscreen wiper does not clear the windscreen effectively | 107 |
| Brake pipe excessively corroded | 93 |
| Rear parking brake recording little or no effort | 58 |
| Parking brake lever has no reserve travel |3.1.6b| | 55 |
| Registration plate issues | 54 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 49 |
| Service brake: efficiency below requirements |3.7.B.7| | 49 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 36 |
| Offside Rear fog lamp not working |1.3.2b| | 35 |
| Nearside Stop lamp not working |1.2.1b| | 35 |
| Windscreen has damage | 33 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 33 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 28 |
| Offside Stop lamp not working |1.2.1b| | 27 |
| Rear brake binding | 26 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 26 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 25 |
| Brakes imbalanced across an axle | 25 |
| Front brake disc in such a condition that it is seriously weakened | 24 |
| Horn not working |1.6.2a| | 21 |
| Offside Rear Stop lamp not working |1.2.1b| | 19 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 19 |
| Brake load sensing valve linkage seized |3.6.E.3| | 19 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 18 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 18 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 17 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 16 |
| Brake hose excessively deteriorated | 16 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 16 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 15 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 15 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 15 |
| Nearside Rear Stop lamp not working |1.2.1b| | 15 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 15 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 14 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 14 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 14 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 13 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 13 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 13 |
| Rear fog lamp not working |1.3.2b| | 12 |
| Hazard warning switch faulty |1.4.B.1d| | 12 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 12 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 12 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 10 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 10 |
| Anti-lock braking system warning lamp indicates an ABS fault | 10 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Nearside Rear Leaf spring to axle securing nut insecure |2.4.B.7b| | 9 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 9 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 9 |
| Brake load sensing valve seized |3.6.E.3| | 8 |
| Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 8 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 8 |
| Offside Rear Leaf spring to axle securing nut insecure |2.4.B.7b| | 8 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 8 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 8 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 8 |
| Fuel system component leaking |7.2.3| | 8 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 7 |
| Offside Rear Body has a sharp edge caused by damage |6.1.C.1| | 7 |
| Offside Rear position lamp|s| incomplete |1.1.4a| | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 7 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 7 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 7 |
| Emissions not tested |7.0| | 7 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Nearside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 7 |
| Nearside Side repeater not working |1.4.A.2c| | 7 |
| Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 7 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 6 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 6 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 6 |
| Rear fog lamp switch faulty |1.3.1a| | 6 |
| Battery insecure |1.9.1| | 6 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 6 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Offside Side repeater not working |1.4.A.2c| | 6 |
| Rear fog lamp tell tale not working |1.3.1b| | 5 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Rear brake application uneven | 5 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 5 |
| Windscreen washer not working | 5 |
| Nearside Headlamp insecure |1.7.3| | 5 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 5 |
| Offside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 5 |
| Offside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 5 |
| Rear Mechanical brake component has restricted free movement | 5 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 5 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Rear brake disc in such a condition that it is seriously weakened | 5 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 5 |
| Rear Rear fog lamp not working |1.3.2b| | 5 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 5 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 4 |
| Nearside Headlamp not in good working order affecting the beam image |1.2.4a| | 4 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Nearside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 4 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 4 |
| Brake performance not tested |3.7.A.1| | 4 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Offside Headlamp not working on main beam |1.7.5a| | 4 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 4 |
| Windscreen wiper blade insecure | 4 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Upper Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Front position lamp|s| not working |1.1.A.3b| | 4 |
| Front brake excessively fluctuating | 4 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Mechanical brake component has restricted free movement | 4 |
| Nearside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 4 |
| Offside Upper Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 4 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 3 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Rear Leaf spring fractured |2.4.B.1a| | 3 |
| Nearside Front Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Front Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Offside Direction indicators not working |1.4.A.2c| | 3 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Rear Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 3 |
| Nearside Rear Brake load sensing valve linkage seized |3.6.E.3| | 3 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.6.B1| | 3 |
| Offside Front Headlamp aim beam image kick up to the offside |1.6.B1| | 3 |
| Offside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 3 |
| Nearside Headlamp aim beam image kick up to the offside |1.6.B1| | 3 |
| Offside Headlamp aim beam image kick up to the offside |1.6.B1| | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Seat belt locking mechanism does not secure or release |5.2.5a| | 3 |
| Nearside Rear Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 3 |
| Rear Exhaust has a part missing |7.1.1a| | 3 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 3 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 3 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 3 |
| Nearside Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Rear All position lamps not working |1.1.A.3b| | 3 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Power steering component|s| leaking |2.3.3b| | 3 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 3 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 3 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 3 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 3 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Nearside Side repeater incomplete |1.5.A1b| | 3 |
| Steering system excessively tight |2.2.D.1| | 3 |
| Exhaust system not adequately supported |7.1.1| | 3 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 3 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 3 |
| Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Brake valve damaged |3.6.A.2c| | 3 |
| Brake hose has insufficient room to move | 3 |
| Spare wheel carrier insecure |6.4.2| | 3 |
| Offside Headlamp aim not tested |1.8.A.1c| | 3 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Nearside Obligatory mirror insecure |8.1.1| | 3 |
| Brake load sensing valve linkage obviously incorrectly adjusted |3.6.E.3| | 3 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 3 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 3 |
| Stop lamp not working |1.2.1b| | 3 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Nearside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |