DTC P1609: ECM Microprocessor-To-Microprocessor Communication Failure: Notes
NOTE:
Limited information available from manufacturer.
NOTE:
After each repair, clear DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES/ECM RESET PROCEDURE under SELF-DIAGNOSTIC SYSTEM. Turn ignition off and then on. Read DTCs to verify repair is complete. For DLC and ECM connector terminal identification, see CONNECTOR IDENTIFICATION . For wiring diagrams and all other terminal identification, see WIRING DIAGRAMS .