DTC P0601: Internal Control Module Memory Checksum Error [11/2021 - ]: Procedure

1. Clear the DTCs.

   Powertrain > Transmission Control System > Clear DTCs 

2. Read the DTCs.

   Powertrain > Transmission Control System > Trouble Codes 

   Is DTC P0601 displayed?

   Result	Proceed to
   YES (Replace the TCM.)	A
   NO (Current condition is normal. Check for interference from noise, etc.)	B

Result: 

A 

REPLACE TCM. Refer to  REMOVAL [11/2021 - ] 

Result: 

B 

CHECK FOR INTERFERENCE FROM NOISE, ETC.