| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 133 |
| Windscreen wiper does not clear the windscreen effectively | 102 |
| Registration plate lamp issues | 52 |
| Parking brake: efficiency below requirements |3.7.B.7| | 38 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 34 |
| Exhaust system not adequately supported |7.1.1| | 15 |
| Registration plate issues | 14 |
| Windscreen washer not working | 14 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 14 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 14 |
| Brakes imbalanced across an axle | 13 |
| Brake pipe excessively corroded | 13 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 13 |
| Rear parking brake recording little or no effort | 13 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 12 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 11 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 10 |
| Offside Rear fog lamp not working |1.3.2b| | 10 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 10 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 9 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Rear fog lamp not working |1.3.2b| | 8 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 7 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 6 |
| Offside Stop lamp not working |1.2.1b| | 6 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 6 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Anti-lock braking system warning lamp indicates an ABS fault | 6 |
| Offside front brake binding |3.7.B.1| | 6 |
| Nearside front brake binding |3.7.B.1| | 6 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Nearside Stop lamp not working |1.2.1b| | 5 |
| Parking brake lever has no reserve travel |3.1.6b| | 5 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 5 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 5 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Brake hose excessively deteriorated | 5 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 4 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 4 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Rear brake binding | 4 |
| Front brake application uneven | 4 |
| Offside Rear Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Centre Exhaust system not adequately supported |7.1.1| | 4 |
| Centre Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 4 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 4 |
| Exhaust system insecure (6.1.2 (a)) | 4 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 3 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Nearside All position lamps not working |1.1.A.3b| | 3 |
| Rear Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 3 |
| Trailer electrical socket |13 pin| not operating the trailer lamps as intended |1.9.4| | 3 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Nearside Side repeater not working |1.4.A.2c| | 3 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 3 |
| Horn not working |1.6.2a| | 3 |
| Emissions not tested |8.2.2.2 |e|| | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Nearside Headlamp not working on main beam |1.7.5a| | 3 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 3 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 3 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Offside Side repeater not working |1.4.A.2c| | 2 |
| Offside Front Direction indicator not working |1.4.A.2c| | 2 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 2 |
| Nearside Front Integral body structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i)) | 2 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 2 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 2 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Windscreen wiper not working (3.4 (a)) | 2 |
| Offside Windscreen wiper not working (3.4 (a)) | 2 |
| Nearside Rear Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside All position lamps not working |1.1.A.3b| | 2 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 2 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 2 |
| Battery insecure |1.9.1| | 2 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 2 |
| Central Rear Upper Stop lamp(s) with a multiple light source more than 1/2 not functioning (4.3.1 (a) (ii)) | 2 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 2 |
| Brake performance not tested |1.2.1 |g|| | 2 |
| Rear Brake load sensing valve linkage defective and function impaired |1.1.17 |a|| | 2 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 2 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Exhaust has a major leak of exhaust gases back box (6.1.2 (a)) | 2 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Nearside Rear Brake pipe at imminent risk of failure or fracture (1.1.11 (a)) | 2 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Nearside Front Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Rear fog lamp adversely affected by the operation of another lamp (4.5.4 (b)) | 2 |
| Offside Side repeater excessively damaged so that it is not visible from a reasonable distance |1.4.A.2e| | 2 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 2 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 2 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Stop lamp(s) remains on when the brakes are released (4.3.2 (a) (iii)) | 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 |
| Offside Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 2 |
| Exhaust system insecure |6.1.2 |a|| | 2 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 2 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Nearside Front Upper All position lamps not working |1.1.A.3b| | 2 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Horn not working (7.7 (a)) | 2 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 2 |
| Offside Stop lamp(s) adversely affected by the operation of another lamp (4.3.3 (b)) | 2 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Fuel system component leaking |7.2.3| | 2 |
| Fuel system component leaking fuel filter (6.1.3 (b) (i)) | 2 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |