Operation CHARM
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Jeep Truck
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2003
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Liberty 4WD L4-2.4L VIN 1
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - Powertrain Management
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Relays and Modules - Computers and Control Systems
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Body Control Module
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Vehicle Theft Security System
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Horn Fails to Sound When Alarm Is Tripped
Horn Fails to Sound When Alarm Is Tripped
Test 1 - 2:
SYMPTOM
HORN FAILS TO SOUND WITH VTSS
POSSIBLE CAUSES
-
Incorrect country code programmed in
BCM
-
Horn operation
-
Body control module
