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Home >> Chrysler >> 2004 >> Pacifica AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Diagnostic Procedures - Communication, Door Ajar, Electrically Heated Systems, Exterior Lighting >> Communication >> Symptom: *NO RESPONSE FROM PCM (PCM SCI ONLY) >> Possible Causes

Possible Causes

  1. CHECK PCM POWERS AND GROUNDS
  2. PCM SCI TRANSMIT CIRCUIT SHORTED TO VOLTAGE
  3. PCM SCI RECEIVE CIRCUIT SHORTED TO VOLTAGE
  4. PCM SCI CIRCUITS SHORTED TOGETHER
  5. PCM SCI TRANSMIT CIRCUIT SHORTED TO GROUND
  6. PCM SCI RECEIVE CIRCUIT SHORTED TO GROUND
  7. PCM SCI RECEIVE CIRCUIT OPEN
  8. PCM SCI TRANSMIT CIRCUIT OPEN
  9. POWERTRAIN CONTROL MODULE
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