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P1604 Diagnostic Trouble Code Discussion for March 2019

PCM Internal Dual-Port Ram Read/Write Integrity Failure

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Trouble Ticket Help Requests for DTC P1604
Help Request Posted
2012 Toyota Camry SE 2.5L No Start VIN: 4T1BF1FK3C
P1604: Startability Malfunction. ... Vehicle almost wants to fires up and smokes heavy at times. Thought it might be flooded attempted to clear flood and no change. Had a P0015 checked timing both by pulling valve cover and scoped at ECM with PICO. Checked spark with gap tester and noid b...
March 26, 2019