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Home >> Dodge and Ram >> 2008 >> Magnum Base >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0579 To P0645 >> P0601-Internal Memory Checksum 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)

Perform *PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

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