DTC P0601 Internal Control Module Memory Checksum Error: Notes

DTC DETECTING CONDITION: 

Detected when two consecutive driving cycles with fault occur.

TROUBLE SYMPTOM: 

TCM ROM malfunction

1. 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 P0601 displayed?

   Yes: Replace the TCM. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580) >-->  TRANSMISSION CONTROL MODULE  . Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690) >-->  TRANSMISSION CONTROL MODULE (TCM)  .

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