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Home >> Jeep >> 2009 >> Commander Overland, RWD >> Repair and Diagnosis (Single Page) >> Transmission >> Transfer Case >> (Final Drive Control Module (FDCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0431-Implausible Data Received From FCM >> Diagnostic Test
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Diagnostic Test

  1. FRONT CONTROL MODULE DTCS PRESENT 
    1. Ignition on, engine not running.
    2. With the scan tool, read DTCs in the Front Control Module.

      Are there any DTCs present?

      Yes 

      No