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Home >> Jeep >> 2015 >> Compass Limited, AWD, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 121 (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P161B-Battery Disconnect / TCM Internal >> Set Condition:
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Set Condition:

WARNING: This page is about a different car, the 2012 Jeep Patriot and 2012 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.

When the calculated checksum does not equal the stored checksum configuration or loss of power to the controller. It takes one trip of problem identification to set the MIL.