Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
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Backup Power Source - Voltage = Less than a predefined threshold - At least 1 time(s) during the ignition cycle
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Backup Power Source - Voltage = None
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Backup Power Source - Voltage = Greater than a predefined threshold
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Backup Power Source - Temperature = Greater than a predefined threshold