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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 627 (DTCS P0219-00 To P1D95-00 - 8HP70 Automatic Transmission - 1500) >> Diagnosis And Testing >> P0634-00-Pcm-ECM-TCM Internal Temperature Too High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
RESTRICTION IN TRANSMISSION COOLING SYSTEM
TRANSMISSION CONTROL MODULE ASSEMBLY (TCMA)
TCM - INTERNAL ERROR

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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