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Home >> Jeep >> 2018 >> Cherokee Limited, 3.2L Eng VIN S, AWD, Automatic T/Case Control >> Repair and Diagnosis >> External Pages >> Different car >> Section 309 (Electronic Control Modules (Service Information)) >> Module, Transmission Control (TCM) >> Operation >> Controller Modes Of Operation >> Hardware Error Mode

Hardware Error Mode

WARNING: This page is about a different car, the 2018 Jeep Wrangler JK. 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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