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Home >> Chrysler >> 2005 >> Pacifica Limited >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Body Diagnostic Procedures - Diagnostic Information And Procedures - Chime, Communication, Door Ajar, Electrically Heated Systems, Exterior Lighting >> Communication >> Symptom: *NO RESPONSE FROM PCM (PCM SCI ONLY) >> Possible Causes

Possible Causes

CHECK PCM POWERS AND GROUNDS

PCM SCI TRANSMIT CIRCUIT SHORTED TO VOLTAGE

PCM SCI RECEIVE CIRCUIT SHORTED TO VOLTAGE

PCM SCI CIRCUITS SHORTED TOGETHER

PCM SCI TRANSMIT CIRCUIT SHORTED TO GROUND

PCM SCI RECEIVE CIRCUIT SHORTED TO GROUND

PCM SCI RECEIVE CIRCUIT OPEN

PCM SCI TRANSMIT CIRCUIT OPEN

POWERTRAIN CONTROL MODULE

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