| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 21 |
| Headlamp aim out of alignment | 15 |
| Windscreen wiper does not clear the windscreen effectively | 15 |
| Parking brake: efficiency below requirements |3.7.B.7| | 11 |
| Brake hose excessively deteriorated | 11 |
| Service brake: efficiency below requirements |3.7.B.7| | 9 |
| Brake pipe excessively corroded | 8 |
| Rear parking brake recording little or no effort | 7 |
| Horn not working |1.6.2a| | 7 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 6 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 6 |
| Offside Stop lamp not working |1.2.1b| | 5 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Brake load sensing valve linkage seized |3.6.E.3| | 4 |
| Registration plate issues | 4 |
| Windscreen has damage | 3 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Rear brake binding | 3 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Emissions not tested |7.0| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Rear Mechanical brake component has restricted free movement | 2 |
| rear brake recording little or no effort |3.7.B.5a| | 2 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 2 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 2 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Rear brake application uneven | 2 |
| Offside Rear coil spring fractured |2.4.C.1a| | 2 |
| Offside Headlamp insecure |1.7.3| | 2 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 2 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 2 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 2 |
| Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Centre Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 1 |
| Brake load sensing valve seized |3.6.E.3| | 1 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Nearside Rear Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Offside Rear Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 1 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Offside Upper Front suspension has a suspension upper ball joint securing nut loose |2.5.B.1a| | 1 |
| Offside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 1 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 1 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Centre Front Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Nearside Outer Front Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Offside Outer Front Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Front suspension has a suspension upper ball joint securing nut loose |2.5.B.1a| | 1 |
| Nearside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Nearside Front Brake hose leaking |3.6.A.1| | 1 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Rear Upper coil spring incomplete |2.4.C.1a| | 1 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Offside Upper Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Driver`s door does not latch securely closed |6.2.B.1a| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Rear brake disc excessively pitted |3.5.1h| | 1 |
| Rear Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Power steering ram|s| leaking from a failed component |2.3.3b| | 1 |
| Offside coil spring incomplete |2.4.C.1a| | 1 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 1 |
| Centre Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Obligatory mirror seriously deteriorated, affecting the rear view |8.1.2a| | 1 |
| Front Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1 |
| Nearside Front Anti-lock braking system component excessively damaged |3.4.2| | 1 |
| Offside Front Anti-lock braking system component excessively damaged |3.4.2| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Front Fuel system component leaking |7.2.3| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Nearside Front Upper Ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Upper Ball joint has excessive play |2.2.B.1f| | 1 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Mechanical brake component has restricted free movement | 1 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside brake caliper has restricted free movement |3.5.1k| | 1 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 1 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Nearside Rear brake disc excessively scored |3.5.1h| | 1 |
| Offside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Rear Upper Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Nearside Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Brakes imbalanced across an axle | 1 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 1 |
| Offside Front Anti-roll bar linkage rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Brake hose bulging under pressure |3.6.B.3| | 1 |
| Offside Rear Brake hose bulging under pressure |3.6.B.3| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 1 |
| Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Rear reflector missing |1.5.1a| | 1 |
| Horn control insecure |1.6.1| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.4.B.1| | 1 |