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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: Cooldown Test Too Cold To Start >> Possible Causes

Possible Causes

  1. EVAPORATOR TEMPERATURE TOO LOW
  2. CHECK FOR HVAC DTCS
  3. CHECK FOR PCM DTCS
  4. EVAPORATOR TEMPERATURE SENSOR
  5. SENSOR GROUND CIRCUIT HIGH RESISTANCE
  6. EVAPORATOR TEMPERATURE SENSOR SIGNAL CIRCUIT HIGH RESISTANCE
  7. A/C - HEATER CONTROL MODULE