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Home >> Chrysler >> 2012 >> 300 C, 4WD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Transmission Control Module (TCM) - Nag1 Automatic Transmission >> Diagnosis And Testing >> P1639-TCM Internal-Can 2 Ram Performance >> Diagnostic Test
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Diagnostic Test

  1. TRANSMISSION CONTROL MODULE 

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    Repair 

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