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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 PCM? Yes >> Replace the PCM in accordance with the service information. Perform the appropriate VERIFICATION TEST. No >> Replace the module that set this DTC in accordance with the service information. Perform the appropriate VERIFICATION TEST. U0121-LOST COMMUNICATION WITH ABS For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Theory of Operation The ABS communicates with other controllers over the CAN C bus. The AWD Module continuously monitors the bus Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING for diagnostic U0141 LOST COMMUNICATION WITH FCM (TIPM) For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Theory of Operation Some NGC controllers communicate with other controllers over the CAN C bus. The AWD Control Module contin- Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING for diagnostic PM CLUTCH-ELECTRONICALLY CONTROLLED-ELECTRICAL DIAGNOSTICS 3 - 135 |