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Home >> Chrysler >> 2007 >> Pacifica Base, 3.8 L >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P1654 To P2111 >> P1696-EEPROM Memory Write Denied - Invalid >> Possible Causes
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Possible Causes

Possible Causes 
INTERMITTENT DTC
POWERTRAIN CONTROL MODULE (PCM) SOFTWARE UPDATE
EXCESSIVE RESISTANCE IN THE PCM POWER OR GROUND CIRCUITS
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

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