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Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 88 (Electronic Control Modules (Service Information)) >> MODULE, Transmission Control >> Operation >> 3.7L Gas/3.0L Diesel Vehicles >> Controller Modes Of Operation >> Hardware Error Mode

Hardware Error Mode

WARNING: This page is about a different car, the 2009 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

When the TCM detects a major internal error, the transmission is placed in the permanent Limp-In Mode and ceases all communication over the CAN bus. When the TCM has entered this mode normal transmission operation does not resume until all DTCs are cleared from the TCM.

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