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Dodge or Ram Truck
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2003
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RAM 2500 Truck 2WD L6-5.9L DSL Turbo VIN C
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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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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A/C Status Indicator Will Not Illuminate (w/o EBL Switch)
A/C Status Indicator Will Not Illuminate (w/o EBL Switch)
Test 1:
SYMPTOM
A/C STATUS INDICATOR WILL NOT ILLUMINATE -- A/C - HEATER CONTROL WITHOUT EBL SW
POSSIBLE CAUSES
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HVAC door recalibration failed
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A/C - heater control module