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Home >> Jeep >> 2024 >> Grand Cherokee Summit >> Repair and Diagnosis >> External Pages >> Different car >> Section 42 (8HP75 Automatic Transmission - DTCS P0219-00 To P0716-00) >> DTC Troubleshooting >> P0634-00-Control Module Internal Temperature 1 Too High >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2024 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.

The purpose of the diagnostic is to detect an over temperature shutdown of the Transmission Control Module (TCM) to protect the TCM hardware.