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Jeep Truck
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2004
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Grand Cherokee 2WD L6-4.0L VIN S
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Repair and Diagnosis
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Powertrain Management
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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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Headlamps Fail to Flash With Alarm Tripped (If Enabled)
Headlamps Fail to Flash With Alarm Tripped (If Enabled)
Test 1:
SYMPTOM
HEADLAMPS FAIL TO FLASH WITH ALARM TRIPPED (IF ENABLED)
POSSIBLE CAUSES
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Verify low beam operation
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BCM
- Headlamps fail to flash when VTSS is in alarm