DTC Diagnosis Procedure
1.
PERFORM DTC CONFIRMATION PROCEDURE
Turn ignition switch ON.
Erase DTC.
Perform DTC confirmation procedure. Refer to
DTC Description
.
Is the 1st trip DTC P0604 displayed again?
Replace ECM. Refer to Removal & Installation
ECM : Removal & Installation
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INSPECTION END
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Replace ECM. Refer to Removal & InstallationECM : Removal & Installation