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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (DTCS P1D94 To U1479 - 8HP70 Automatic Transmission - 1500) >> Diagnosis And Testing >> P1DD2-Torque Request Signal From TCM Denied >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
BCM CAN BUS DTCS PRESENT
PCM DTCS PRESENT
TCM - INTERNAL ERROR

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  . 

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