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Home >> Jeep >> 2018 >> Wrangler JK Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 ((Transmission Control Module (TCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> U0140-Lost Communication With Body Control Module >> When Monitored

When Monitored

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With the ignition on for at least five seconds.

Battery voltage between 10 and 16 volts.

Body Control Module (BCM) is configured correctly.