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DTC Descriptor

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
DTC B3978

Incorrect Environmental Identifier Received From Inflatable Restraint Sensing and Diagnostic Module

DTC B3979

Incorrect Environmental Identifier Received From HVAC Control Module

DTC B3980

Incorrect Environmental Identifier Received From Instrument Cluster

DTC B3981

Incorrect Environmental Identifier Received From Electronic Brake Control Module

DTC B3982

Incorrect Environmental Identifier Received From Telematics Communication Interface Control Module

For symptom byte information, refer to Symptom Byte List .

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