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Home › Dodge and Ram › 2009 › Durango Base, 3.7 K › Repair and Diagnosis › Engine Performance › Ignition System › Transmission Electronic Hydraulic Control Module (TEHCM) - Electrical Diagnostics › DTC Troubleshooting › P0604-Internal Control Module Ram › Monitor Conditions

Monitor Conditions

When Monitored:
Continuously with ignition on. This diagnostic tests all of RAM by performing a pattern test on each location and is run as a background task.