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U0140-LOST COMMUNICATION WITH BODY CONTROL MODULE For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes CAN C BUS OPEN OR SHORTED CONDITION BODY CONTROL MODULE (BCM) POWERTRAIN CONTROL MODULE (PCM) Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING for diagnostic Diagnostic Test 1. ACTIVE DTC NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The With a scan tool, select View DTCs. Is the status Active for this DTC? Yes >> Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING for diag- nostic procedures and for further possible causes. No >> Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) Perform the PCM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) PM ENGINE ELECTRICAL DIAGNOSTICS - GPEC 9 - 895 |