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Home >> Fiat >> 2016 >> 500 Pop, Automatic Trans >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> (Transmission Control Module (TCM) - Electrical Diagnostics - 500 - 1.4L 16-Valve) >> DTC Troubleshooting >> U0077-00-Control Module Communication Bus Off >> When Monitored

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When Monitored

Ignition on, battery voltage between 9 and 16 volts.

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