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Home >> Jeep >> 2020 >> Grand Cherokee Trackhawk >> Repair and Diagnosis >> External Pages >> Different car >> Section 225 (As69RC Automatic Transmission - DTCS C1400-00 To P0869-00 - 3500HD) >> DTC Troubleshooting >> P062F-00-Internal Control Module EEPROM Error >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2019 RAM 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.

The purpose of the diagnostic is to check for correct Transmission Control Module (TCM) microprocessor operation. If the TCM detects an internal failure, a DTC is set.

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