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Dodge or Ram Truck
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2003
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Durango 2WD V8-5.9L VIN Z LDC
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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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Symptom Related Diagnostic Procedures
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Low Heat Output From Front and Rear Heaters At Low Speeds
Low Heat Output From Front and Rear Heaters At Low Speeds
Test 1:
SYMPTOM
LOW HEAT OUTPUT FROM FRONT AND REAR HEATERS AT LOW SPEEDS
POSSIBLE CAUSES
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Check for HVAC DTCs
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Check front and rear heaters performance