| Horn(s) operate with a muffled tone |
- Low battery voltage
- Horn circuit short circuit to ground, short circuit to power, open circuit, high resistance
|
- Refer to the relevant service information and test the battery
- Refer to the appropriate system wiring diagrams and test the horn circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Using the manufacturer approved diagnostic system, check the body control module for related DTCs and refer to the relevant DTC index
|