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DTC P0604: Internal Control Module Random Access Memory (Ram) Error: Notes

WARNING: This page is about a different variant/trim than selected.

DTC detecting condition:

Detected when two consecutive driving cycles with fault occur.

Trouble symptom:

TCM RAM malfunction

CHECK DTC .
1. Perform the Clear Memory Mode using the Subaru Select Monitor. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(DIAGNOSTICS)>Clear Memory Mode .
2. Read the DTC.
Is DTC P0604 displayed?

Yes: Replace the TCM. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR690)>Transmission Control Module (TCM) .

No: Current condition is normal. Check for interference from noise, etc.