One problem related to horn assembly has been reported for the 2002 Volvo S40. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Volvo S40 based on all problems reported for the 2002 S40.
The horn failed to function properly when horn button was pressed from the left side. The horn did not work at times or excessive force was needed. Consumer was involved in a rear end collision in which he tried to use the horn but it didn't work. Vehicle was brought in several times but not repaired to working order.
| Electrical System problems | |
| Horn Assembly problems | |
| Wiring problems | |
| Alternator/generator/regulator problems |