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Home >> Dodge and Ram >> 2003 >> Durango Base, 5.9 Z, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Diagnostics >> Diagnostic Information & Procedures >> Heating & A/C >> Symptom: Rear Heater Coolant Pump Open (Active) >> Possible Causes

Possible Causes

  1. REAR HEATER COOLANT PUMP DRIVER CIRCUIT SHORTED HIGH
  2. GROUND CIRCUIT OPEN
  3. REAR HEATER COOLANT PUMP
  4. REAR HEATER COOLANT PUMP DRIVER CIRCUIT OPEN
  5. A/C - HEATER CONTROL MODULE
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