FixVault

DTC P0601 Internal Control Module Memory Checksum Error: Trouble Symptom

TCM ROM malfunction

DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK DTC. 
  1. Perform the Clear Memory Mode using the Subaru Select Monitor. < Ref. to CLEAR MEMORY MODE . >
  2. Read the DTC.
Is DTC P0601 displayed? Replace the TCM. < Ref. to TRANSMISSION CONTROL MODULE (TCM) . > < Ref. to TRANSMISSION CONTROL MODULE (TCM) . > Current condition is normal. Check for interference from noise, etc.