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2009
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Acadia SLT, FWD
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Repair and Diagnosis
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Electrical
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Charging Systems
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Battery, Charging System And Starting System
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Diagnostic Information and Procedures
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DTC P0621
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Conditions for Clearing the DTC
Conditions for Clearing the DTC
The DTC passes when condition for setting the DTC is no longer present.
The charge indicator and DIC message turn OFF when the DTC passes.