DTC P0604: Notes

DTC P0604 [AW6A-EL, AW6AX-EL] DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0604

RAM malfunction

DETECTION CONDITION

RAM (in TCM) read/write error is detected.

Diagnostic support note:

This is a continuous monitor (CCM).
The MIL illuminates if the TCM detects the above malfunction condition during the first drive cycle.
A PENDING CODE is not available.
FREEZE FRAME DATA is available.
The AT warning light illuminates.
The DTC is stored in the TCM memory.

POSSIBLE CAUSE

TCM malfunction