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Home >> Chrysler >> 2012 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (3.6L - DTCS P2246 To U1431) >> Diagnosis And Testing >> U0402-Implausible Data Received From TCM >> Diagnostic Test

Diagnostic Test

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  1. ACTIVE DTC 
    NOTE:

    Diagnose all CAN B and C communication DTCs before continuing.

    1. Ignition on, engine not running.
    2. With a scan tool, view DTCs.

      Is the status Active for this DTC?

      Yes 

      • Go To  2.

      No 

  2. TCM COMMUNICATION RELATED DTCs IN OTHER MODULES 
    1. With the scan tool, select Network Diagnostics.

      Is there more than one module with active DTCs "Logged Against" the TCM at this time?

      Yes 

      No