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Home >> GMC >> 2021 >> Acadia SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 174 (Battery, Starting System And Charging System) >> Diagnostic Information and Procedures >> DTC P0621 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2020 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0621

Generator L-Terminal Circuit

For symptom byte information refer to Symptom Byte List .

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