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.
- Perform the memory clear using the Subaru Select Monitor. Ref. to TRANSMISSION (DIAGNOSTICS)>Clear memory .
- Read the DTC.
Is DTC P0604 displayed?
- Yes : Replace the TCM. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Transmission Control Module (TCM) . Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR690)>Transmission Control Module (TCM) .
- No : Current condition is normal. Check for interference from noise, etc.