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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: TX FAILURE (ACTIVE) >> Possible Causes

Possible Causes

  1. ATTEMPT TO COMMUNICATE WITH THE HVAC MODULE
  2. CHECK FOR ADDITIONAL HVAC DTCS
  3. ATTEMPT TO COMMUNICATE WITH THE PCM AND BCM
  4. A/C - HEATER CONTROL MODULE
  5. INTERMITTENT WIRING PROBLEM
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