| Horn/s operate with a muffled tone |
- Low battery voltage
- Horn circuit short circuit to ground, short circuit to power, open circuit, high resistance
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- Refer to the relevant section of the workshop manual and test the battery
- Refer to the electrical circuit 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 Central Junction Box (CJB) for related DTCs and refer to the relevant DTC index
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