DTC P0604: Internal Control Module Random Access Memory (RAM) Error [08/2015 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Engine and ECT / Trouble Code.
5. Read DTCs.
   RESULT
   
   

   Display (DTC Output)	Proceed to
   P0604	A
   No output	B

Result: 

A 

REPLACE ECM 

(Refer to REMOVAL [08/2015 - ] )

Result: 

B 

CHECK FOR INTERMITTENT PROBLEMS 

(Refer to CHECK FOR INTERMITTENT PROBLEMS [08/2015 - ] )