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P0605 Internal Control Module Read Only Memory (ROM) Error: DTC Detecting Condition

P0605 INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM) ERROR

Item	Detecting Condition	Possible Cause
DTC Strategy	Check RAM Area/Communication connections	Contact resistance in connectors Faulty PCM
Enable Conditions	-
Threshold Value	RAM test or checksum error
Diagnostic Time	100 msec.
Mil On Condition	2 Driving Cycles