LEMON Manuals
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Alfa Romeo
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2019
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Giulia Base, AWD
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Repair and Diagnosis
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Accessories & Equipment
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Communication Devices
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Body Control Module (BCM) - DTCS B12AE-15 To U1702-87
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DTC Troubleshooting
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B12D3-12-Horn Control-Circuit Short To Battery
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Set Condition
Set Condition
When the Body Control Module (BCM) detects a short to voltage on the Horn Relay Control circuit.