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

DTC DETECTING CONDITION CHART

Item	Detecting Condition	Possible Cause
DTC Strategy	Check RAM Area/Communication connections	Contact resistance in connectors Faulty ECM
Enable Conditions	Ignition ON
Threshold Value	RAM test/Checksum/SPI communication: failure
Diagnostic Time	0.1 second
MIL On Condition	Immediate