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U0100-LOST COMMUNICATION WITH ECM/PCM (FDCM) (CONTINUED) 4. CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network Diagnostics. Is there more than one module with active DTCs “Logged Against” the ECM/PCM? Yes >> Replace/update the ECM/PCM in accordance with the service information. Perform the appropriate VERIFICATION TEST. No >> Replace/update the module that set this DTC in accordance with the service information. Perform the appropriate VERIFICATION TEST. 21 - 1328 TRANSFER CASE - ELECTRICAL DIAGNOSTICS (POWER WAGON) DR/DH |