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P1604 Diagnostic Trouble Code Discussion for April 2008

PCM Internal Dual-Port Ram Read/Write Integrity Failure

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Trouble Ticket Help Requests for DTC P1604
Help Request Posted
2003 Dodge Intrepid SE 2.7L MIL Lamp on VIN: 2B3HD46R83
P1604: PCM Internal Dual-Port Ram Read/Write Integrity Failure. ... ONE trouble code. P1604 - PCM internal dual-port RAM read/write integrity failure. We purchased a PCM from the dealership (part no. [...]). Installed the PCM and had the Dodge dealer program it. Now when driving, the chec...
April 18, 2008