| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 40 |
| Registration plate lamp issues | 28 |
| Headlamp aim out of alignment | 27 |
| Brake pipe excessively corroded | 20 |
| Rear parking brake recording little or no effort | 15 |
| Parking brake lever has no reserve travel |3.1.6b| | 13 |
| Windscreen wiper does not clear the windscreen effectively | 12 |
| Service brake: efficiency below requirements |3.7.B.7| | 9 |
| Brakes imbalanced across an axle | 9 |
| Rear brake binding | 7 |
| Registration plate issues | 7 |
| Nearside Stop lamp not working |1.2.1b| | 6 |
| Offside Stop lamp not working |1.2.1b| | 6 |
| Brake pedal spongy |3.3.B.1b| | 6 |
| Offside Rear fog lamp not working |1.3.2b| | 6 |
| Horn not working |1.6.2a| | 5 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Brake hose excessively deteriorated | 4 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 4 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 4 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Brake load sensing valve linkage seized |3.6.E.3| | 3 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Offside Rear Air suspension levelling valve insecure |2.4.D.4| | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Nearside Seat belt insecurely fixed to the seat |5.2.1a| | 3 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 3 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Battery insecure |1.9.1| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Front brake application uneven | 2 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 2 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 2 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Nearside Rear Leaf spring to axle securing nut insecure |2.4.B.7b| | 2 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 2 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 2 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Rear Seat belt retracting mechanism defective |5.2.5b| | 2 |
| Rear fog lamp tell tale not working |1.3.1b| | 2 |
| Nearside Rear Air suspension levelling valve insecure |2.4.D.4| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 2 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 2 |
| Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 2 |
| Nearside Front Side repeater not working |1.4.A.2c| | 2 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Nearside Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Windscreen has damage | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 1 |
| Offside Front brake disc excessively pitted |3.5.1h| | 1 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 1 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 1 |
| Offside front brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Front Suspension has inadequate clearance with the bump stop |2.4.A.1a| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Exhaust has a part missing |7.1.1a| | 1 |
| Offside Front suspension has excessive movement at a suspension ball joint |2.5.A.1c| | 1 |
| Offside Front Service brake lagging in operation |1.2.1 |d|| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Offside rear brake excessively fluctuating |3.7.B.3| | 1 |
| Offside Rear Brake pipe excessively chafed |3.6.B.2c| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 1 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Nearside Front Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Offside Front Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Offside Rear Anti-roll bar attachment bracket/mounting damaged and its strength is seriously reduced |2.4.G.1| | 1 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Rear Anti-roll bar insecure |2.4.G.1| | 1 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Power steering malfunctioning |2.3.3a| | 1 |
| Nearside Front Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Offside Front Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Brake load sensing valve defective and function impaired |3.6.E.3| | 1 |
| Nearside Seat belt anchorage prescribed area is excessively corroded step |5.2.6| | 1 |
| Offside Seat belt anchorage prescribed area is excessively corroded step |5.2.6| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Offside front brake binding |3.7.B.1| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Offside Front An item not tested |Manual| | 1 |
| Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Front Exhaust has a part missing |7.1.1a| | 1 |
| Nearside Front Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 1 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Direction indicators not in good working order |function impaired| |1.5.A1b| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear Leaf spring has excessive side play at eye |anchor| |2.4.B.4| | 1 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 1 |
| Nearside Rear Air suspension bellows leaking |2.4.D.2| | 1 |
| Nearside Rear Upper Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Nearside Rear Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Nearside Side repeater insecure |1.4.A.2b| | 1 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 1 |
| Nearside Front position lamp|s| not in good working order |not working| |1.1.4a| | 1 |
| Offside Outer Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Seat belt not functioning as intended wont retract |7.1.2 |c|| | 1 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 1 |
| Nearside Front Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Offside Front Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Fuel pipe leaking |6.1.3 |b| |i|| | 1 |
| Brake load sensing valve seized and ABS not fitted or inoperative |1.1.17 |c| |ii|| | 1 |
| Exhaust fumes causing a danger to health of persons on board |6.1.2 |b| |ii|| | 1 |
| Nearside Rear Anti-roll bar pin or bush excessively worn d bush |5.3.4 |a| |i|| | 1 |
| Offside Rear Anti-roll bar pin or bush excessively worn d bush |5.3.4 |a| |i|| | 1 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 1 |
| rear parking |secondary| brakes imbalanced | 1 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Obligatory mirror insecure |8.1.1| | 1 |
| Offside Front Brake hose twisted |3.6.B.4c| | 1 |
| Centre Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Nearside Rear Anti-roll bar attachment bracket/mounting nut missing |2.4.G.1| | 1 |
| Offside Rear An item not tested |Manual| | 1 |
| Offside Front Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 1 |
| All direction indicators incorrect colour |4.4.3 |a|| | 1 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength Outrigger |5.3.6 |a| |i|| | 1 |
| Nearside Front Lower Suspension component ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Offside Front Anti-roll bar attachment bracket/mounting bolt missing |2.4.G.1| | 1 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded inner quarter panel |2.4.A.3| | 1 |
| Nearside Rear Inner Valve stem seriously damaged |4.1.D.1e| | 1 |
| Battery leaking electrolyte |1.9.1| | 1 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 1 |
| brake disc excessively pitted |3.5.1h| | 1 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 1 |
| Centre Statutory seat belt missing |5.1.1| | 1 |
| Nearside Side repeater incomplete |1.5.A1b| | 1 |
| Offside Rear position lamp|s| incomplete |1.1.4a| | 1 |
| Offside Rear Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Front passenger seat insecure |6.2.3| | 1 |
| Nearside Rear Parking brake inoperative on one side |1.4.1 |a|| | 1 |
| Offside Front Brake hose excessively damaged |1.1.12 |b| |ii|| | 1 |
| Offside Front Brake hose leaking on a hydraulic braking system |1.1.12 |c| |ii|| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Offside Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Nearside Front Statutory seat belt missing |5.1.1| | 1 |
| Offside Front Brake pipe inadequately supported |3.6.B.1| | 1 |
| Nearside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Direction indicator flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 1 |
| Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.1 |c| |ii|| | 1 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering iiner step |6.1.1 |c| |ii|| | 1 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering outer step |6.1.1 |c| |ii|| | 1 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering inner step |6.1.1 |c| |ii|| | 1 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering inner arches |6.1.1 |c| |ii|| | 1 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering inner arches |6.1.1 |c| |ii|| | 1 |
| Brake valve leaking such that brake functionality is affected rear compensater siezed |1.1.7 |d| |ii|| | 1 |
| Windscreen washer not working | 1 |
| Nearside Outline marker lamp not working |4.2.1 |a|| | 1 |
| Offside Outline marker lamp not working |4.2.1 |a|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings drivers door step |6.1.B.2| | 1 |
| Offside Front Direction indicators incorrect colour bulb white |1.4.A.2f| | 1 |
| Brake pipe inadequately supported both front to rear brake pipes not supported |3.6.B.1| | 1 |
| Offside Front Steering rack gaiter insecure |2.2.D.2d| | 1 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Rear brake application uneven | 1 |
| Nearside Rear Air suspension has no suspension movement |2.4.D.5| | 1 |
| Offside Rear Air suspension has no suspension movement |2.4.D.5| | 1 |
| Offside Front Torque/reaction arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Steering rack deformed and unserviceable |2.2.C.1d| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Outer Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Windscreen wiper blade missing |8.2.2| | 1 |
| Nearside Inner Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear window|s| not made of safety glass, or from safety glazing |on or after 1st June 1978| |6.9.7b| | 1 |
| Front passenger door does not latch securely closed |6.2.B.1a| | 1 |
| Offside Front Anti-roll bar pin or bush likely to become detached (5.3.4 (a) (ii)) | 1 |
| Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength chassis (5.3.6 (a) (i)) | 1 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength chassis (5.3.6 (a) (i)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Seat belt anchorage prescribed area strength or continuity significantly reduced Step (7.1.1 (a) (i)) | 1 |
| Offside Front Seat belt anchorage prescribed area strength or continuity significantly reduced Step (7.1.1 (a) (i)) | 1 |
| Nearside Rear Brake pipe connection leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Fuel tank insecure (6.1.3 (a) (i)) | 1 |
| Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Service brake lagging in operation (1.2.1 (d)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Nearside Rear Outer Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Rear Inner Position lamp not working (4.2.1 (a) (ii)) | 1 |