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Home >> Dodge and Ram >> 2011 >> Durango Express, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 128 ((Transmission Control Module (TCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> U0121-Lost Communication With Antilock Brake Module >> When Monitored:
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When Monitored:

WARNING: This page is about a different car, the 2011 Jeep Patriot and 2011 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.

Ignition on in the run position with a system voltage between 9.0 and 16.0 volts.

IOD fuse is installed or vehicle odometer is over 80 kilometers (50 miles).

No CAN C BUS DTCs present.