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

CHECK WHETHER DTC OUTPUT RECURS (P0604)

Connect the Techstream to the DLC3.
Turn the ignition switch to ON.
Turn the Techstream on.
Enter the following menus: Powertrain / Engine and ECT / Trouble Code.

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 - ] )