| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Rear brake binding | 6 |
| Parking brake: efficiency below requirements |3.7.B.7| | 5 |
| Horn not working |1.6.2a| | 5 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Headlamp not working on main beam |1.7.5a| | 3 |
| Brake pipe excessively corroded | 3 |
| Brake hose excessively deteriorated | 3 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Windscreen wiper does not clear the windscreen effectively | 2 |
| Steering column top bearing excessively worn |2.1.2c| | 2 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 2 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Battery insecure |1.9.1| | 2 |
| Fuel system component leaking |7.2.3| | 2 |
| Rear Mechanical brake component has restricted free movement | 2 |
| Rear parking brake recording little or no effort | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Headlamp does not operate immediately when selected on dipped beam |1.7.4a| | 1 |
| Nearside Front Side repeater not working |1.4.A.2c| | 1 |
| Exhaust engine idle speed too high |7.3.A.2a| | 1 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |
| Brake fluid contaminated |1.8 |a|| | 1 |
| Power steering component leaking |2.1.5 |a|| | 1 |
| Exhaust fumes causing a danger to health of persons on board |6.1.2 |b| |ii|| | 1 |
| Exhaust silencer likely to become detached |8.1.1 |b| |ii|| | 1 |
| Nearside Fuel system component insecure |7.2.1| | 1 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Rear Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 1 |
| Nearside Front Sub-frame worn and seriously weakened |2.4.G.2| | 1 |
| Offside Front Sub-frame worn and seriously weakened |2.4.G.2| | 1 |
| Nearside Rear Radius arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Offside Rear Radius arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering wheel arch inner to front small hole |6.1.A.1| | 1 |
| Offside Front Inner Vehicle structure has excessive corrosion which adversely affects braking or steering wheel arch inner holed to rear small hole |6.1.A.1| | 1 |
| Nearside Rear Outer Vehicle structure has excessive corrosion which adversely affects braking or steering jacking point holed at chassis, small split |6.1.A.1| | 1 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 1 |
| Power steering ram|s| leaking from a failed component |2.3.3b| | 1 |
| Offside Inner Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Side repeater adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Front Side repeater adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Power steering malfunctioning |2.3.3a| | 1 |
| Rear brake application uneven | 1 |
| Nearside Rear brake disc contaminated by oil |3.5.1h| | 1 |
| Offside Rear brake disc contaminated by oil |3.5.1h| | 1 |
| Nearside Rear brake caliper has restricted free movement |3.5.1k| | 1 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Steering column shaft has excessive end float |2.1.3| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 1 |
| Offside Front brake disc excessively pitted |3.5.1h| | 1 |
| Nearside front brake juddering severely |3.7.A.2b| | 1 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Brakes imbalanced across an axle | 1 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front Headlamp not working on main beam |1.7.5a| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Front brake disc excessively pitted |3.5.1h| | 1 |
| Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Nearside Front Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Steering rack gaiter insecure replace |2.2.D.2d| | 1 |
| Nearside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (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 Front Steering linkage ball joint ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Offside Rear Brake hose connection leaking on a hydraulic braking system (1.1.12 (c) (ii)) | 1 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Front Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Offside Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Rear Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 1 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Offside Front Upper Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Front Steering system lock to lock check exposes a seriously damaged brake hose |2.2.D.2b| | 1 |
| Offside Front Upper Ball joint dust cover missing |2.2.C.1c| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front 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 Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Nearside Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Nearside Lower Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Headlamp aim not tested |1.8.A.1c| | 1 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Upper Ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Outer Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Front Brake performance not tested |3.7.A.1| | 1 |
| Rear Brake performance not tested |3.7.A.1| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Rear Sub-frame attachment rubber mounting bonding deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Rear An item not tested |Manual| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Service brake: efficiency below requirements (3.7.B.7) | 1 |
| Nearside Rear Drive shaft uj which forms part of the suspension has excessive play in a universal joint |2.4.G.4b| | 1 |
| Offside Rear Sub-frame attachment bracket/mounting nut missing |2.4.G.1| | 1 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Suspension arm has excessive play in a ball joint o/s/f lower & n/s/f upper |2.4.G.2| | 1 |
| Suspension component mounting prescribed area is excessively corroded o/s/f lower shock mount / suspension arm |2.4.A.3| | 1 |
| Headlamp not working on dipped beam n/s&o/s |1.7.5a| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Seat belt anchorage prescribed area is excessively corroded n/s&o/s front floor & jacking point |5.2.6| | 1 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |