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Home › Jeep › 2021 › Cherokee Altitude, 4WD › Repair and Diagnosis › Engine Performance › System › 2.4L - DTCS U0102 To U1504 › DTC Troubleshooting › U0140-Lost Communication With Body Control Module › Set Condition

Set Condition

The Powertrain Control Module (PCM) doesn't receive a Body Control Module (BCM) message over the CAN C bus for seven consecutive seconds. The circuit is continuously monitored.