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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 856 (DTCS P0219-00 To P1D95-00 - 8HP45/845RE Automatic Transmission - 1500) >> Diagnosis And Testing >> P064F-00-Unauthorized Software Calibration Detected >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2015 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

The purpose of the diagnostic is to detect if the internal part numbers of the Transmission Control Module (TCM) software, calibration, and hardware do not correlate.