| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 75 |
| Headlamp aim out of alignment | 68 |
| Registration plate issues | 53 |
| Brake hose excessively deteriorated | 27 |
| Registration plate lamp issues | 22 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 20 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 16 |
| Nearside Side repeater not working |1.4.A.2c| | 14 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 14 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 14 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 14 |
| Windscreen wiper does not clear the windscreen effectively | 13 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Offside Rear Shock absorbers has a serious fluid leak | 11 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 10 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 10 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 10 |
| Nearside Rear Shock absorbers has a serious fluid leak | 10 |
| Anti-lock braking system warning lamp indicates an ABS fault | 10 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 10 |
| Offside Side repeater not working |1.4.A.2c| | 9 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 9 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 9 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 9 |
| Offside Front Position lamp not working |4.2.1 |a|| | 8 |
| Parking brake: efficiency below requirements |3.7.B.7| | 8 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 8 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 7 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 7 |
| Offside Stop lamp not working |1.2.1b| | 6 |
| Parking brake lever has no reserve travel |3.1.6b| | 6 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 6 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 6 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 6 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 5 |
| Nearside Stop lamp not working |1.2.1b| | 5 |
| Rear brake binding | 5 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Offside Front Side repeater not working |1.4.A.2c| | 4 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 4 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 4 |
| Nearside Rear Stop lamp not working |1.2.1b| | 4 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 4 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour |8.2.2.2 |d|| | 3 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Nearside Side repeater missing |4.4.1 |a| |ii|| | 3 |
| Nearside Front Side repeater not working |1.4.A.2c| | 3 |
| Offside Rear fog lamp not working |1.3.2b| | 3 |
| Offside Rear Passenger`s seat cannot be secured in the upright position. |6.2.A.2| | 3 |
| Nearside Front Side repeater not working |4.4.1 |a| |ii|| | 3 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 3 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 3 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Brakes imbalanced across an axle | 3 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 2 |
| Oil leaking excessively from engine |8.4.1 |a| |i|| | 2 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 2 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 2 |
| Horn not working |1.6.2a| | 2 |
| Nearside Direction indicator not working |1.4.A.2c| | 2 |
| Power steering component|s| leaking |2.3.3b| | 2 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Central Rear Seat belt not functioning as intended |7.1.2 |c|| | 2 |
| Brake hose damaged | 2 |
| Offside Rear coil spring broken |2.4.C.1a| | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 2 |
| Offside Rear reflector missing |1.5.1a| | 2 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 2 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 2 |
| Rear parking brake recording little or no effort | 2 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 2 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Windscreen has damage | 2 |
| Offside Front Air suspension unit totally deflated |2.4.D.1a| | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Nearside Front Headlamp insecure |1.7.3| | 2 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Steering rack insecure |2.1.3 |a| |i|| | 2 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Nearside Side repeater light intensity significantly reduced (4.4.3 (a)) | 2 |
| Fuel system component leaking (6.1.3 (b) (i)) | 2 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 2 |
| Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Nearside Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 2 |
| Offside Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 2 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Suspension system inoperative (5.3.5 (a)) | 2 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Rear Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |