DTC P0604 [LF]: Notes

DTC P0604 (LF) DETECTION CONDITION AND POSSIBLE CAUSE

DTC P0604

PCM random access memory (RAM) error

DETECTION CONDITION

The PCM internal RAM malfunction.

Diagnostic support note

This is a continuous monitor (CCM).
The MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
FREEZE FRAME DATA (Mode 2/Mode 12) is available.
The DTC is stored in the PCM memory.

POSSIBLE CAUSE

PCM internal RAM malfunction