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Home >> Jeep >> 2018 >> Renegade Trailhawk >> Repair and Diagnosis >> External Pages >> Different car >> Section 719 ((Radio Frequency Module (RF Hub) Electrical Diagnostics)) >> DTC Troubleshooting >> U0121-00-Lost Communication With Anti-Lock Brake System (Abs) Control Module >> When Monitored

When Monitored

WARNING: This page is about a different car, the 2018 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

Continuously when the ignition is on.

The battery voltage between 10 and 16 volts.

Body Control Module (BCM) is configured correctly.

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