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Home >> Dodge and Ram >> 2013 >> Dart R/T, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Electronic Shift Module (ESM) - Electrical Diagnostics >> DTC Troubleshooting >> P1C86-83-PRNDL Display-Value Of Signal Protection Calculation Incorrect >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

Possible Causes
TRANSMISSION CONTROL MODULE DTCS
TRANSMISSION CONTROL MODULE HARNESS CONNECTIONS
SHIFTER LEVER ASSEMBLY

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.  Refer to C635 DDCT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE or 6F24 PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .