P1EF8 CHEVROLET - Battery Charger Control Module High-Voltage Energy Communication Bus Enable Circuit Low Voltage
- Faulty Battery Charger Control Module
- Battery Charger Control Module harness is open or shorted
- Battery Charger Control Module circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1ef8 Chevrolet DescriptionThe battery charger compares the high-voltage energy management communication enable hardwire signal with a hybrid powertrain control module 2 serial data message indicating that the high-voltage energy management communication enable signal is active. If the high-voltage energy management communication enable hardwire signal is low when the serial data message indicates it should be high, then DTC P1EF8 is set.
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