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Home >> Fiat >> 2016 >> 500 Turbo, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 ((Transmission Control Module (TCM) - Electrical Diagnostics - 500 - 1.4L 16-Valve)) >> DTC Troubleshooting >> U0077-00-Control Module Communication Bus Off >> Set Condition

Set Condition

WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.

The Transmission Control Module (TCM) Module has detected catastrophic failure on the CAN bus.