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Home › Buick › 2017 › Envision Base › Repair and Diagnosis › Accessories & Equipment › Entertainment Systems › Cellular System, Entertainment System, And Navigation System › Diagnostic Information and Procedures › DTC B0997: Auxiliary Electronic Control Unit Performance › DTC Descriptor

DTC Descriptor

DTC B0997 3A: Auxiliary Electronic Control Unit Performance Incorrect Component Installed
DTC B0997 39: Auxiliary Electronic Control Unit Performance Internal Electronic Failure