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

Step	Check	Yes	No
1 CHECK DTC. Perform the Clear Memory Mode using the Subaru Select Monitor. <Ref. to CLEAR MEMORY MODE .> Read the DTC.	Is DTC P0604 displayed?	Replace the TCM. <Ref. to Transmission Control Module (TCM) .>	Current condition is normal. Check for interference from noise, etc.