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Home >> Chrysler >> 2003 >> 300M Pro-Am Edition >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Diagnostic Procedures >> Diagnostic Information And Procedures >> Heating & A/C - Symptoms >> Symptom: A/C CONTROL BLEND DOOR INPUT OPEN OR SHORTED TO GROUND (MANUAL A/C) >> Possible Causes

Possible Causes

  1. FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
  2. TEMPERATURE SELECT CKT SHORTED TO GROUND
  3. TEMPERATURE SELECT CKT SHORTED TO SENSOR GROUND
  4. TEMPERATURE SELECT CIRCUIT OPEN
  5. CONTROL HEAD-TEMP SELECT OPEN/SHORT
  6. BODY CONTROL MODULE-TEMP SELECT OPEN/SHORT