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Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 25 (Electronic Control Modules (Service Information)) >> Electronic Control Modules >> Module-Engine Control >> Operation >> Engine Control Module (ECM) >> Diagnostic Trouble Codes

Diagnostic Trouble Codes

WARNING: This page is about a different car, the 2008 Jeep Commander. However, it is still accessible from the selected car via links, so may be relevant.

Each diagnostic trouble code (DTC) is diagnosed by following a specific procedure. The diagnostic test procedure contains step-by-step instruction for determining the cause of the DTC as well as no trouble code problems. Refer to appropriate diagnostic information.