DTC P1603: Pcm Internal Dual-Port Ram Communication, DTC P1604: Pcm Internal Dual-Port Ram Read/Write Integrity Failure Or DTC P1607: Pcm Internal Shutdown Timer Rationality: Notes

WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For component location, see COMPONENT LOCATIONS . For connector identification, see CONNECTOR IDENTIFICATION . For circuit identification and wiring diagram, see WIRING DIAGRAMS . In testing procedures Alpha/Numeric character in patientness i.e. (K4) designates circuit. After each repair procedure has been completed, reconnect all components. After each repair procedure has been completed, reconnect all components. Perform POWERTRAIN VERIFICATION TEST VER-1 under VERIFICATION TESTS to ensure system is functioning properly.