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Home >> Dodge and Ram >> 2010 >> Nitro Detonator, RWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0643 To P2008 >> P1696-EEPROM Memory Write Denied/Invalid >> Possible Causes

Possible Causes

Possible Causes 
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 before proceeding. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure  . 

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