P1A0D BUICK - Battery Energy Control Module System Voltage High Voltage
- Faulty Battery Energy Control Module
- Battery Energy Control Module harness is open or shorted
- Battery Energy Control Module circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1a0d Buick DescriptionThe vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. The Powertrain Control Module (PCM) sets the OBDII code when the Battery Energy Control Module is not to factory specifications.
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