| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 12 |
| Headlamp aim out of alignment | 8 |
| Registration plate lamp issues | 6 |
| Parking brake: efficiency below requirements |3.7.B.7| | 5 |
| Brake pipe excessively corroded | 4 |
| Brakes imbalanced across an axle | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2 |
| Rear brake binding | 2 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Steering rack gaiter split |2.2.D.2d| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Position lamp not working loose connection |4.2.1 |a|| | 1 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Suspension rod ball joint dust cover no longer prevents the ingress of dirt droplink (5.3.4 (b) (ii)) | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Central Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 1 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Front Front position lamp|s| not working both |1.1.A.3b| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Drivers view of an obligatory external mirror materially affected by an obstruction (3.1 (a) (ii)) | 1 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 1 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i)) | 1 |
| Offside Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Central Rear Seat belt buckle not functioning as intended |7.1.2 |d|| | 1 |