Table 1 shows one common exterior lighting related problems of the 2005 Volvo S40.
| Problem Category | Number of Problems |
|---|---|
| Exterior Lighting problems |
Often, the headlamps bulbs fail, after a few years changing bulbs, I found out that due to contact between detachment of the wiring harness cover is the cause of the failiure bulbs in right and left headlamps. The wiring harness instaled by the manufacturer do not resist voltage and heat.