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Home >> Dodge and Ram >> 2003 >> Viper >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Diagnostic Procedures >> Diagnostic Information And Procedures >> Heating & A/C - Symptoms >> Symptom: *HVAC SYSTEM TEST >> Possible Causes

Possible Causes

  1. ATTEMPT TO COMMUNICATE WITH THE PCM
  2. CHECK FOR HVAC RELATED DTCS IN THE PCM
  3. CHECK FOR ACTIVE HVAC DTCS AND SYSTEM TEST FAULT MESSAGES
  4. CHECK FOR HVAC RELATED DTCS IN THE PCM
  5. MANUAL A/C SYSTEM TEST
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