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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 A/C SWITCH FAILURE (MANUAL A/C) >> Possible Causes

Possible Causes

  1. CONTROL HEAD-SHORT TO GROUND
  2. MODE SWITCH MUX CIRCUIT SHORT TO GROUND
  3. MODE SWITCH MUX CIRCUIT SHORT TO SENSOR GROUND
  4. BODY CONTROL MODULE-MODE SWITCH MUX SHORT TO GROUND
  5. CONTROL HEAD-BUTTON STICKS
  6. CONTROL HEAD-MODE MUX INCORRECT
  7. CONTROL HEAD-OPEN SWITCH
  8. CONTROL HEAD SWITCHES OKAY
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