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

1. -

DTC detecting condition:

Immediately at fault recognition

Trouble symptom:

TCM RAM is faulty.

CAUTION: After servicing or replacing faulty parts, perform the last step of the basic diagnostic procedure. Ref. to TRANSMISSION (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .

CHECK DTC .
1. Using the Subaru Select Monitor, perform the clear memory. Ref. to COMMON(DIAG)>CLEAR MEMORY .
2. Read the DTC. Ref. to TRANSMISSION (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC P0604 displayed?

Yes : Replace the TCM. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>TRANSMISSION CONTROL MODULE (TCM) .

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