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Home >> Jeep >> 2014 >> Compass Limited, AWD, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 ((Transmission Control Module (TCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> P0601-Internal Memory Checksum Invalid >> Theory Of Operation

Theory Of Operation

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

The Transmission Control Module (TCM) performs various internal tests to verify proper controller operation. If the TCM detects that the variables that dictate the vehicle application are not present a DTC will set.

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