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Home >> Dodge and Ram >> 2023 >> Durango GT, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 50 (8HP70 Automatic Transmission - DTCS P1DD2-00 To U1479-00) >> DTC Troubleshooting >> P1DDD-00-TCM Monitoring Performance Unable To Disengage Drive Or Reverse >> Possible Causes

Possible Causes

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Possible Causes
TRANSMISSION CONTROL MODULE (TCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .