P1604 Diagnostic Trouble Code Discussion for December 2023
PCM Internal Dual-Port Ram Read/Write Integrity Failure
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P1604
| Help Request | Posted | |
| 2016 Toyota Tundra SR5 5.7L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 5TFDW5F12G P1604: Startability Malfunction. Not familiar with these systems .suspecting fuel pump . first had a sounded like timing chain noise had no oil. change oil noise is gone. this morning long crank time and ide rough than cleared up idle than stall like 4-5 times finally idled ok . hit accel... |
December 04, 2023 |
