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Home >> Chrysler >> 2003 >> PT Cruiser Limited, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Warning Systems >> Body Diagnostic Procedures >> Diagnostic Information And Procedures >> Communication >> Symptom: *NO RESPONSE FROM PCM (SCI ONLY) - 1.6L >> Possible Causes

Possible Causes

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