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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Cooling Systems >> Hybrid/EV System Heating And Cooling >> Diagnostic Information and Procedures >> DTC P1FFF: System Isolation/Coolant Level Sensor Fault - Hybrid/EV Battery Charging System Disabled >> Circuit/System Description
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Circuit/System Description

This diagnostic is an indicator that hybrid/EV battery pack charging is disabled because the hybrid/EV powertrain control module 2 detected one of the following conditions: