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Home >> Jeep >> 2012 >> Compass Limited, AWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 176 (Transmission Control Module (TCM) - Nag1 Automatic Transmission) >> Diagnosis And Testing >> U0121-Lost Communication With Anti-Lock Brake Module >> When Monitored:

When Monitored:

WARNING: This page is about a different car, the 2012 Chrysler 300. 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 10.0 and 16.0 Volts.

Body Control Module (BCM) is configured correctly.