DTC P0604: Notes

DTC P0604 DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0604	PCM random access memory error
DETECTION CONDITION	PCM internal random access memory error Diagnostic support note This is a continuous monitor (CCM). MIL illuminates if the PCM detects the above malfunction condition in first drive cycle. FREEZE FRAME DATA is available. The DTC is stored in the PCM memory.
POSSIBLE CAUSE	PCM internal RAM malfunction