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Home › Dodge and Ram › 2011 › Challenger SE › Repair and Diagnosis › Transmission › Transmission Control Systems › (Transmission Control Module (TCM) - Electrical Diagnostics) › DTC Troubleshooting › P0604-Internal Control Module Ram › Possible Causes

Possible Causes

Possible Causes
TRANSMISSION CONTROL MODULE

Always perform the NAG1 Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to NAG1 PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .