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Home >> Fiat >> 2015 >> 500L Easy, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Transmission Control Module (TCM) - Electrical Diagnostics - Aw60T/6F25 - 500L) >> DTC Troubleshooting >> U0077-00-Control Module Communication Bus Off >> When Monitored

When Monitored

Ignition on, battery voltage between 9 and 16 volts.