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Home >> Dodge and Ram >> 2013 >> Durango R/T, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 251 ((Transmission Control Module (TCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> U0423-Implausible Data Received From Cluster/CCN >> Diagnostic Test
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Diagnostic Test

WARNING: This page is about a different car, the 2012 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR CAN BUS DTCS 
    1. With the scan tool, check for CAN BUS DTCs.

      Are there any CAN BUS DTCs present?

      Yes 

      No 

      • Go To  2.
  2. CHECK IF CLUSTER/CCN DTCS ARE PRESENT 
    1. With the scan tool, read CLUSTER/CCN DTCs.

      Are there any CLUSTER/CCN DTCs present?

      Yes 

      No 

      • Using the schematics as a guide, check the Transmission Control Module (TCM) pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace and program the TCM in accordance with the Service Information.
      • Refer to STANDARD PROCEDURE  and perform the NAG1 TRANSMISSION VERIFICATION TEST.